Linde R545 User manual

IMPORTANT!
Read carefully before use! Keep the manual for future consultation!
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Vor Gebrauch sorgfältig lesen!
Bewahren Sie die Gebrauchsanweisung für späteres Nachschlagen auf!
INSTRUCTION FOR USE
GEBRAUCHSANLEITUNG
4 PORT LINE REGULATOR
4 PORT LEITUNGSDRUCKREGLER
EN
DE
R545
SINGLE STAGE | BRASS CHROME PLATED | STAINLESS STEEL
EINSTUFIG | MESSING VERCHROMT | EDELSTAHL

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CONTENT
1 General......................................................................................................................................................................................... 4
1.1 Information about this instructions manual ...................................................................................................................... 4
1.2 Information about this line regulator ................................................................................................................................ 4
1.3 Explanation of symbols ........................................................................................................................................................ 5
1.4 Limitations of liability............................................................................................................................................................. 6
1.5 Copyright ................................................................................................................................................................................. 6
1.6 Spare parts .............................................................................................................................................................................. 6
1.7 Warranty provision ................................................................................................................................................................. 6
1.8 Customer service................................................................................................................................................................... 6
2 Safety ............................................................................................................................................................................................7
2.1 Intended use ............................................................................................................................................................................7
2.1.1 Structural changes at the line regulator ....................................................................................................................7
2.2 Fundamental risks .................................................................................................................................................................7
2.3 Operator’s responsibility..................................................................................................................................................... 8
2.4 Personnel requirements...................................................................................................................................................... 9
2.4.1 Qualifications................................................................................................................................................................. 9
2.4.2 Unauthorized personnel............................................................................................................................................ 9
2.4.3 Training .......................................................................................................................................................................... 9
2.5 Personal protective equipment........................................................................................................................................10
2.6 Behavior in case of fire or accident ................................................................................................................................10
2.7 Environmental protection....................................................................................................................................................11
2.8 Signage ...................................................................................................................................................................................11
2.8.1 Signs that give orders .................................................................................................................................................11
2.8.2 Signs indicating bans.................................................................................................................................................11
2.8.3 Warning signs...............................................................................................................................................................11
3 Technical specifications ................................................................................................................................................12
3.1 Dimension – 4- Port SINGLE STAGE LINE REGULATOR.............................................................................................12
3.2 General information ............................................................................................................................................................12
3.3 Connection values...............................................................................................................................................................12
3.4 Performance value...............................................................................................................................................................13
3.5 Operating conditions ..........................................................................................................................................................13
4 Set-up and function..........................................................................................................................................................13
4.1 Overview – 4- Port LINE REGULATOR ............................................................................................................................13
4.2 Brief description...................................................................................................................................................................13
5 Transport, packaging and storage........................................................................................................................14
5.1 Safety information for transportation...............................................................................................................................14
5.2 Transport inspection ...........................................................................................................................................................14
5.3 Packaging ..............................................................................................................................................................................14
5.4 Storage ...................................................................................................................................................................................14
6 Installation and initial start-up...................................................................................................................................15
6.1 Safety notes for installation and initial start-up.............................................................................................................15
6.2 Preparation............................................................................................................................................................................15
6.3 Installation..............................................................................................................................................................................15
6.4 Required qualifications for initial start-up and cylinder changing...........................................................................15
6.5 Initial Start Up........................................................................................................................................................................15
6.5.1 Fill the process gas tubing with process gas .......................................................................................................15
6.5.2 Taking gas supply out of operation.......................................................................................................................15
6.6 Tests ........................................................................................................................................................................................15
7 Operation..................................................................................................................................................................................16

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8 Maintenance..........................................................................................................................................................................16
8.1 Safety notes for maintenance............................................................................................................................................16
8.2 Maintenance plan ................................................................................................................................................................16
8.3 Maintenance work ...............................................................................................................................................................16
8.3.1 Cleaning.........................................................................................................................................................................16
8.3.2 Requirements for maintenance ..............................................................................................................................16
8.3.3 Necessary maintenance........................................................................................................................................... 17
8.4 Measures following maintenance.................................................................................................................................... 17
9 Troubleshooting.................................................................................................................................................................. 17
9.1 Safety notes for troubleshooting ...................................................................................................................................... 17
10 Dismantling and disposal...........................................................................................................................................19
10.1 Safety notes for dismantling and disposal....................................................................................................................19
10.2 Dismantling .........................................................................................................................................................................20
10.3 Disposal ...............................................................................................................................................................................20

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1. GENERAL
1.1. INFORMATION ABOUT THIS INSTRUCTIONS MANUAL
This instruction is only intended for use with line regulator product type:
• R545 - 4- Port Single Stage
Line regulators of this type are suitable to reduce a high supply pressure through dierent pressure stages.
These regulators were assembled into piping system permanently.
These instructions enable you to operate the system safely and eciently. These instructions form an integral
part of the system and must always be kept with the system and within easy reach of sta at all times.
Prior to commencing any work, the sta must read these instructions carefully and understand the contents.
Observance of all the safety information and instructions for operation that are contained in these instructions
is essential to ensure work safety.
Local accident prevention regulations and general safety regulations governing the use of the system must
also be observed.
Illustrations in these instructions serve to ensure a basic understanding of the system and may dier from
the actual version.
1.2. INFORMATION ABOUT THIS LINE REGULATOR
Line Regulators of this type are only suitable for gases defined as standard gas. The maximum working pres-
sure for line regulator is 40bar.
Product Line (Purity 6.0 | brass chrome plated) (Purity 6.0 | stainless steel)
Precision Pressure regulator
with FKM Seat
•Suitable Gases
(including their mixtures)
•High Purity
•Inert
•Flammable
•Oxidizing
•Use for O2
•Not Suitable Gases
(including their mixtures)
• Corrosive
•Toxic
•Not for CO2, N20
•Suitable Gases
(including their mixtures)
• High Purity
• Inert
•Flammable
• Oxidizing (up to 200 bar)
•Corrosive (in doubt ask)
•Toxic (in doubt ask)
•Not Suitable Gases
(including their mixtures)
•Not for O2 above 200 bar
•Not for CO2, N20
•Not for NH3, SO2, H2S
Precision Pressure regulator
with EPDM Seat
•Suitable Gases
(including their mixtures)
•High Purity
•Inert
•Flammable
•Oxidizing
•Use for CO2, N20
• Not Suitable Gases
(including their mixtures)
• Corrosive
• Toxic
• Not for O2
(share greater than 21%)
• Hydrocarbons
•Suitable Gases
(including their mixtures)
•High Purity
• Inert
•Flammable
•Oxidizing
• Corrosive (in doubt ask)
•Toxic (in doubt ask)
•Use for CO2, N20
•Use for NH3, SO2, H2S
•Not Suitable Gases
(including their mixtures)
•Not for O2
(share greater than 21%)
• Hydrocarbons
This table is not exhaustive. For questions and ambiguities please contact manufacturer.
ENGLISH
INSTRUCTION FOR USE: 4 PORT LINE REGULATOR

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It is a single stage line regulator with metal diaphragm and four ports.
Created and approved as ISO7291, including oxygen test.
The line regulator consists of the regulator body, outlet gauge (4- Port Version).
Dierent inlet and outlet implementations (compression fittings) are available.
1.3. EXPLANATION OF SYMBOLS
SAFETY INFORMATION Safety information is highlighted by symbols in these instruc-
tions. This safety information is preceded by signal words that
define the extent of risk.
DANGER!
This combination of symbol and signal word indicates
an immediately dangerous situation that will cause death
or severe injury if not avoided.
WARNING!
This combination of symbol and signal word indicates
a possibly dangerous situation that can cause death or severe
injury if not avoided.
BEWARE!
This combination of symbol and signal word indicates
a possibly dangerous situation that can cause minor injury
if not avoided.
NOTE!
This combination of symbol and signal word indicates
a possibly dangerous situation that can cause property
and environmental damage if not avoided.
TIPS AND RECOMMENDATIONS
This symbol highlights useful tips and recommendations,
together with help for ensuring ecient and trouble-free
operation.
SPECIAL SAFETY
INFORMATION
The following symbols are used in the safety information
to draw your attention to particular risks.
DANGER!
This combination of symbol and signal word indicates an im-
mediately dangerous situation involving electrical current.
Ignoring such a warning could result in severe or fatal injuries.

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1.4. LIMITATIONS OF LIABILITY
All of the information and notes in these instructions have been compiled in accordance with applicable
standards and regulations. They reflect best engineering practice and our years of experience.
The manufacturer accepts no liability for damages in the following instances:
• Failure to observe these instructions
• Utilization of the system for any other than the intended purpose
• Operation by untrained sta
• Unauthorized modifications
• Technical modifications
• Use of unlicensed spare parts
• Working with the gas supply panel when any safety device is broken or not functional mounted or safety
devices don’t work correctly
• Improper control of components, connections and gaskets, which are wearing parts.
• Incorrect reparations
• Violation of temperature limits, which are dedicated in the datasheet during operation or storage
• In case of disaster or force majeure
The actual scope of supply may dier from the explanations and illustrations in these instructions following
the incorporation of new technical changes.
The obligations stipulated in the supply agreement, our general terms and conditions of business, the manu-
facturer’s terms and conditions of supply and the statutory regulations in force at the time of contract conclu-
sion apply.
1.5. COPYRIGHT
The contents of these instructions are protected by copyright. They may be used in connection with the
operation of the system. Any other use above and beyond the aforementioned is only permitted with the
written consent of the manufacturer.
1.6. SPARE PARTS
WARNING!
• Risk of injury from using incorrect spare parts!
• The use of incorrect or defective spare parts can result in risks for the operating sta and in damages,
malfunctions or total failure of the system.
• Only use original spare parts from the manufacturer or spare parts authorized by the manufacturer.
• Always consult the manufacturer if in doubt.
LOSS OF WARRANTY
• The manufacturer’s warranty lapses if unauthorized spare parts are used.
1.7. WARRANTY PROVISION
In principle, our "General Terms and Conditions of Sale and Delivery" shall apply. These are available to the
customer at the latest since the conclusion of the contract.
1.8. CUSTOMER SERVICE
Please do not hesitate to provide us with information and experiences gained through use; we welcome any
valuable input that will help to improve our products.

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2. SAFETY
This section provides an overview of all the important safety aspects to ensure the protection of your sta
and the safe and trouble-free operation of the equipment. Further safety information relating to specific tasks
can be found in the sections on the individual life cycle phases.
2.1. INTENDED USE
The R545 line regulator is only usable for the defined standard gases and pressures observing the given
temperature range. The nominal flow is 5 m/h (Air).
Intended use also includes compliance with all the information in these instructions and compliance with
reparation, maintenance working, type label and data sheets.
Any use other than, or above and beyond, the intended use constitutes improper use.
WARNING!
• Danger from improper use!
• Improper use of the system can lead to dangerous situations.
• Never use the line regulator with liquid fluids.
2.1.1. STRUCTURAL CHANGES AT THE LINE REGULATOR
Without written approval of supplier no extensions, additions or alternations are allowed on the line regulator.
Line regulator which are not in perfect condition have to be changed immediately.
Cleaning of line regulator and disposal of residues
Used line regulator which are ready for reparation has to be purged with an inert gas before.
Noise Generation
In some cases when specific influence quantities collaborate together, e.g. flow and pressure range can
cause noise generation or the gas itself. If this happens please contact supplier.
2.2. FUNDAMENTAL RISKS
The following section addresses the residual risks that may arise, even if the system is used properly.
Observance of the safety information included below and in other sections of these instructions is mandatory
in order to reduce the risk of injury and property damage and to avoid dangerous situations.
DANGER!
• Gases can be life threatening!
• Gases can supersede the oxygen in air. This can result in death by asphyxiation. Oxygen produces a
strongly oxidizing eect.
THEREFORE:
• Sucient ventilation is absolutely essential.
• Installation only through certified company.
• Observe ATEX directive.
ATTENTION!
• Risk of injury from environment!
There can be malfunctions on component due to condensation and/ or icing.
THEREFORE:
• Observe suitable temperatures.
• Protect component from liquids from outside
• Protect component from dust from outside
• Protect component from weather conditions
• Grounding has to be mounted properly

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WARNING!
• Risk of injury from using oil and grease!
Oil and grease must never be used in gas regulating systems. Oil and grease are highly inflammatory and
can react violently to certain pressurized gases.
THEREFORE:
• Never use oil and grease
WARNING!
• Risk of injury from residual energy stored in the system!
If handled incorrectly, pressurized components can move uncontrollably and cause severe injury. If handled
incorrectly or defective, pressurized components can leak gas under high pressure and cause severe or
even fatal injuries.
BEFORE STARTING WORK WITH THESE COMPONENTS:
• Installation only through certified company.
• Always wear protective goggles when working.
• Always wear ear protection.
• Make sure the equipment is depressurized. Also make sure the residual energy is discharged.
• Always ensure that gas cannot leak unintentionally.
• Make sure that defective components that are pressurized during operation are immediately replaced by
trained sta.
WARNING!
• Danger of accident!
Due to wrong installation there can be serious or even mortal injuries.
THEREFORE:
• During installation the component should be kept safe
• Never throw the component
Pressurised components are only for intended use.
If there are mechanical damages at tubing or components the whole system has to be put in a safe condi-
tion. Aected area has to be blocked. Troubles which could influence safety, have to be eliminated through
qualified sta or supplier.
Especially with gases failure in pressure regulator could happen. Indications for defective regulator is no flow
or immediately rising outlet pressure. In this case system has to be regulating and the relevant department
for maintenance has to be informed. Never close exhaust piping.
2.3. OPERATOR’S RESPONSIBILITY
OPERATOR
The operator is the person who operates the system for commercial or business purposes or who provides
the system for use/application by a third party, and who bears legal product responsibility for protecting the
user, sta or third parties during operation.
OPERATOR’S DUTIES
The system is used for commercial purposes. The operator of the system is therefore subject to legal work
safety obligations.
Compliance with the safety, accident prevention and environmental protection regulations that apply for the
use of the system is mandatory, in addition to the safety information in these instructions.
THE FOLLOWING APPLIES IN PARTICULAR:
• The operator must be aware of the applicable work safety regulations and must perform a risk assessment
to identify risks that may occur as a result of the specific working conditions at the site where the system
is operated. The operator must use this assessment as the basis for compiling instructions for operating
the system.
• During the entire period in which the system is operated, the operator must ensure that these operating
instructions comply with the latest regulations, and must update the instructions if necessary.
• The operator must assign clear and specific responsibility for installation, operation, troubleshooting,
maintenance and cleaning.

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• The operator must ensure that all members of sta who work with the system have read and understood
these instructions. The operator must also ensure that these members of sta are trained at regular inter-
vals and are aware of the risks.
• The operator must provide the sta with the requisite protective equipment and bindingly obligate the
sta to wear the necessary protective equipment.
In addition, the operator is responsible for ensuring full technical reliability of the system at all times.
AS SUCH, THE FOLLOWING APPLIES:
• The operator must ensure compliance with the maintenance intervals specified in these instructions.
• The operator must ensure that all safety equipment is regularly inspected for functional reliability and
completeness.
2.4. PERSONNEL REQUIREMENTS
2.4.1. QUALIFICATIONS
The various tasks described in these instructions constitute diering requirements in respect of the qualifica-
tions of the sta charged with performing these tasks.
WARNING!
• Danger if sta is insuciently qualified!
• Insuciently qualified sta is not able to assess the risks associated with the system and expose both
themselves and others to the risk of severe or fatal injury.
• Ensure that all works are only performed by sta qualified for the specific task.
• Keep insuciently qualified people out of the work area.
The works must always be assigned only to individuals who can be trusted to perform the works reliably.
People with impaired reactions, e.g. as a result of drugs, alcohol or medication, must not be allowed to
perform works.
These instructions define the qualifications below that are necessary for the respective tasks:
GAS ENGINEER:
Have a professional training, skills and experience and the knowledge of the pertinent standards and regula-
tions to perform works on gas systems and to identify potential hazards. Gas engineers are trained specifi-
cally for the site where they work and are familiar with all relevant standards and regulations.
TECHNICIAN
Have the professional training, skills and experience and the knowledge of the pertinent standards and regu-
lations to perform the assigned works and to identify and avoid potential hazards.
2.4.2. UNAUTHORIZED PERSONNEL
WARNING!
• Risks associated with unauthorized personnel in the hazard and work areas can be life threatening!
• Unauthorized individuals without the qualifications described in this section are not familiar with the risks
in the work area. As such, they are in danger of severe or even fatal injury.
• Keep unauthorized personnel away from the hazard and work area.
• If in doubt, approach individuals and instruct them to leave the hazard and work area.
• Stop any work while unauthorized individuals are in the hazard and work area.
2.4.3. TRAINING
The operator must train the sta at regular intervals. A training log must be maintained for purposes of better
tracking and must contain the following information, at least:
• Date of training
• Names of trained sta
• Contents of the training session
• Name of trainer
• Signatures of the sta members in training and of the trainer

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2.5. PERSONAL PROTECTIVE EQUIPMENT
Personal protective equipment protects sta from safety and health hazards while working.
Various tasks on and associated with, the system necessitate the use of personal protective equipment,
which is described in more detail in the individual sections of these instructions.
BREATHING APPARATUS
To protect against harmful gases, vapors, dust and similar materials and media.
Breathing apparatus (e.g. compressed air respirator) must be used when an oxy-
gen content of at least 17% in the ambient air is not guaranteed or when the limit
of a hazardous substance in the ambient air is exceeded more than 100-fold.
Breathing apparatus may only be worn by people who have been specially trained
in the use.
BREATHING APPARATUS, DEPENDENT ON AIR CIRCULATION
To protect against harmful gases, vapors, dust and similar materials and media.
Breathing apparatus must be worn if a permissible limit is exceeded 100-fold.
The breathing apparatus may only be used when the oxygen content in the ambi-
ent air measures at least 17%.
PROTECTIVE GOGGLES
To protect the eyes against airborne parts and splashes of liquid.
CHEMICAL-RESISTANT GLOVES
To protect the hands from aggressive substances.
Make sure the protective gloves are leak-proof before wear. Before taking the
gloves o, clean them and then store them in a well ventilated location.
PROTECTIVE GLOVES
To protect the hands against abrasion, scrapes, pricks or deeper injuries and con-
tact with hot or cold surfaces.
EAR PROTECTION
Protects the ears from too loud noises and prevents acoustic trauma.
2.6. BEHAVIOR IN CASE OF FIRE OR ACCIDENT
PREVENTIVE MEASURE
• Always be prepared for fires and accidents!
• Always keep first aid equipment (kit, blankets, etc.) and fire extinguishing equipment in working order and
close to hand.
• Familiarize the sta with accident reporting, first aid and emergency procedures.
• Keep the access routes free for emergency service vehicles.
MEASURES IN THE EVENT OF FIRE OR ACCIDENT
• If there is no risk to your own safety, remove people from the danger zone.
• Administer first aid if necessary.
• Notify the fire brigade and/or emergency service.
• In the event of fire: If there is no risk to your own safety, use fire extinguishing equipment to fight the fire
until the fire brigade arrives.
• Inform the person responsible at the location.
• Make sure the access routes are free for emergency service vehicles.
• Direct the emergency service vehicles.

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2.7. ENVIRONMENTAL PROTECTION
NOTE!
• Risk of environmental pollution from incorrect handling of environmentally hazardous substances!
• The environment can suer substantial damage if environmentally hazardous substances are handled,
and especially disposed of, incorrectly.
• Always observe the information below on handling environmentally hazardous substances and their dis-
posal.
• Take immediate measures if environmentally hazardous substances are accidentally released into the
environment. If in doubt, notify the responsible local authorities about the damage and enquire about the
suitable measures to be taken.
2.8. SIGNAGE
WARNING!
• Danger from illegible signs!
• Labels and signs can gather dirt or become otherwise illegible over time, thus preventing the recognition
of risks and compliance with the requisite operating information. This could result in injury.
• Make sure all safety, warning and operation information is legible at all times.
• Immediately replace any damaged signs or labels.
2.8.1. SIGNS THAT GIVE ORDERS
• No signs
2.8.2. SIGNS INDICATING BANS
• No signs
2.8.3. WARNING SIGNS
GAS BOTTLES HAZARD EXPLOSION  HAZARDOUS
AREA
WARNING OF TOXIC AND/ OR
CORROSIVE SUBTANCES

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3. TECHNICAL SPECIFICATIONS
3.1. DIMENSION  4 PORT SINGLE STAGE LINE REGULATOR
3.2. GENERAL INFORMATION
Information R545
max. Weight [kg] 2,7
Length [mm] 100
Depth [mm] 116
Height [mm] 222
3.3. CONNECTION VALUES
Information Value Unit
Inlet 1/8“, ¼“, 3/8“, ½“
3, 6, 8, 10, 12
4,8; 6,4; 8,0
Fitting inch
Fitting mm
Hose nozzle
Outlet 1/8“, ¼“, 3/8“, ½“
3, 6, 8, 10, 12
4,8; 6,4; 8,0
Fitting inch
Fitting mm
Hose nozzle
Outlet relief valve
FKM O-Rings, EPDM O-Rings
1/8“, ¼“, 3/8“, ½“
3, 6, 8, 10, 12
Fitting inch
Fitting mm

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3.4. PERFORMANCE VALUE
SINGLE STAGE LINE REGULATOR
Information Value Unit
Nominal flow 5 (Air) m/h
Inlet pressure (max.) 40 bar
Outlet pressure (max.) 3000 (depends on configuration) mbar
3.5. OPERATING CONDITIONS
Information Value Unit
Temperature range -20 till +60 °C
Relative humidity (max.) 98 %
4. SETUP AND FUNCTION
4.1. OVERVIEW  4 PORT LINE REGULATOR
4.2. BRIEF DESCRIPTION
The operation of the line regulator works manual with the handwheel. At 4- Port version only the outlet pres-
sure is displayed at the outlet pressure gauge.

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5. TRANSPORT, PACKAGING AND STORAGE
TIPS AND RECOMMENDATIONS!
• The installation and start- up of this gas supply panel is normally done by the supplier or by authorized
personnel.
• Even though there can be some users or maintenance personnel who care about the packaging. The fol-
lowing notes should be observed accordingly.
5.1. SAFETY INFORMATION FOR TRANSPORTATION
NOTE!
• Damages caused by inappropriate transportation!
• If transported inappropriately, consignments can fall or topple over. This can cause considerable property
damage.
• When unloading the consignments on delivery and transporting them on the premises, act with caution
and observe the symbols and warnings on the packaging.
• Use only the attachment points provided.
• Do not remove the packaging until you are ready to assemble the regulator.
5.2. TRANSPORT INSPECTION
Upon delivery, check immediately that the consignment is complete and has not been damaged during tran-
sit. Procedure on detection of visible transport damage:
• Refuse acceptance of the delivery or only accept subject to reservation
• Record the extent of the damage on the transportation documentation or on the forwarder’s delivery note
• File a complaint
TIPS AND RECOMMENDATIONS!
• Report each and every defect as soon as you discover it. Claims for damages can only be asserted within
the specified periods.
5.3. PACKAGING
The individual consignments are packed according to the anticipated transport conditions. Without exception
all packaging is made of environmentally friendly material.
The packaging is intended to protect the individual components against transport damage, corrosion and
other damage until they are ready for installation. Do not, therefore, destroy the packaging; only remove it
when assembly is imminent.
NOTE!
• Risk of environmental harm through incorrect disposal!
• Packaging materials are valuable raw materials. In many cases they can be re-used or recycled. Incorrect
disposal of packaging materials can harm the environment.
• Dispose of packaging materials in an environmentally compatible manner.
• Observe locally applicable disposal regulations. If necessary, commission a specialist disposal firm.
5.4. STORAGE
Store the packages in the following conditions:
• Do not store outdoors
• Store in a dry and dust-free location
• Do not expose to aggressive media
• Protect from sunlight radiation
• Avoid mechanical jolts
• Storage temperature: 15 to 35 °C
• Relative humidity: max. 60 %
• If storing for longer than 3 months, regularly inspect the general condition of all parts and the packaging.
If necessary re-apply or renew the rust-proofing

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TIPS AND RECOMMENDATIONS!
• Some packages may bear labels with storage information that extends beyond these requirements. These
notes should be observed accordingly.
6. INSTALLATION AND INITIAL STARTUP
6.1. SAFETY NOTES FOR INSTALLATION AND INITIAL STARTUP
STAFF
Installation and initial start-up of the system may only be performed by qualified sta.
6.2. PREPARATION
UNPACKING
• The system components should be removed from their packaging carefully and prudently.
• Additional protective packaging should also be removed.
• Check all components of damages from transport
DEPRESSURIZE
• Depressurize components and purge with inert gas if necessary
• Cut tubing with special tool; avoid contaminations (dirt, cuttings, etc.)
• Check perfect condition of components and purity of connections
6.3. INSTALLATION
In most cases the line regulator is mounted with compression fittings. First remove the plastic caps from inlet
and outlet. The piping has to be inserted completely into the compression fitting. Than screw the nut hand
tight. After that screw with a jaw spanner 1 ¼ turns tight (first installation 1 1/4 turns for tubes bigger than 1/8
inch and 3/4 turns for 1/8 inch and smaller tubes, retightening 1/4 for all tubes). Connect the relief tubing the
same way.
The line regulator is available with hose nozzle when maximum pressure is 15 bar. Due to conical form of the
nozzle the hose easily fits.
6.4. REQUIRED QUALIFICATIONS FOR INITIAL STARTUP AND CYLINDER
CHANGING
• The test protocols from the piping according to tightness and if necessary, moisture and particles are
available
• In process gas tubing is only standard gas (see 1.2)
• The start-up is only realized by qualified personal
• Wear safety clothes according to regulations
• Use spark-free tools and provide before installation
• Before first start-up check type label, if the component is suitable for the provided purpose (gas, pressure,
material, etc.)
6.5. INITIAL START UP
• All requirements are fulfilled as on point 6.4
• Line regulator is depressurized, handwheel turned completely to left side
WARNING!
• Make sure the line regulator are not exposed to pressure levels that exceed their respective permissible
nominal pressure.
6.5.1. FILL THE PROCESS GAS TUBING WITH PROCESS GAS
Adjust pressure with handwheel turning clockwise. Line Regulator is now in operation.
We recommend checking the pressure at pressure gauges on daily bases.
6.5.2. TAKING GAS SUPPLY OUT OF OPERATION
Close line regulator by turning the handwheel anti clockwise.
Depressurize tubing system!
Line regulator is now out of operation. Now reparation and/ or maintenance work could be done.
6.6. TESTS
• After pressurizing check the function of line regulaor.
• Check relief valve

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7. OPERATION
In reference to chapter 2.1 the operation of the line regulator is defined.
BEWARE!
• Line regulators must always be opened slowly and carefully to prevent pressure surges in the system and
damage to the other components!
8. MAINTENANCE
8.1. SAFETY NOTES FOR MAINTENANCE
NOTE!
• Maintenance may only be performed by suciently qualified, trained and authorized individuals (see sec-
tion 2.4)
8.2. MAINTENANCE PLAN
The following sections describe the maintenance works that must be performed to ensure the optimum and
trouble-free operation of the regulator.
If regular inspections reveal increased wear, the requisite maintenance intervals must be shortened to reflect
the actual wear and tear.
NOTE!
• Please contact the manufacturer if you have any questions relating to maintenance works and intervals.
Interval Maintenance work Personal
Weekly Check all components visually Competent Person (TRBS 1203)
Every year Checking function & tightness,
check for all safety relevant com-
ponents
Competent Person (TRBS 1203)
Every 10 years General overhaul and replace-
ment of all wearing parts
Competent Person (TRBS 1203)
8.3. MAINTENANCE WORK
8.3.1. CLEANING
NOTE!
• All cleaning agents must be compatible with the materials of the installed component.
8.3.2. REQUIREMENTS FOR MAINTENANCE
CHECK BEFORE MAINTENANCE START, IF:
• Gas supply is disconnected and safe
• Manifold is depressurized
• Pressure regulator is depressurized
• Valves are closed
• No process gas inside component.
• System is purged and filled with inert gas.

17/44
EN
8.3.3. NECESSARY MAINTENANCE
• Check accuracy of pressure gauges
• Manifold, pressure regulator, valve and gauges: check condition, function and labeling
• Check labelling
• Check for corrosion
• Check function
• Pressure test with 1-times working pressure for 12 hours
• Worn and defective components must be changed immediately from authorized qualified company
• Valve is designed according to ISO 10297, including type test with cycle test from up to 2000 cycles.
Change inner parts after 2000 cycles, change must be done from authorized qualified company
• If there are any leakages or too much corrosion at the manifold/ pressure regulator or valve, component
must be replaced with all connections by an authorized company
• After the changing of components or tubes, pressure and leakage test must be done again and be proto-
colled
8.4. MEASURES FOLLOWING MAINTENANCE
THE FOLLOWING STEPS MUST BE PERFORMED WHEN THE MAINTENANCE WORKS HAVE BEEN COM-
PLETED AND BEFORE SWITCHING ON THE SYSTEM.
1. Make sure that all tools, materials and other equipment have been removed from work area.
2. Clean the work area and remove any spilled substances, e.g. liquids, processing material or similar.
3. Make sure that safety relevant components are working perfect.
9. TROUBLESHOOTING
The following section describes possible causes of malfunction and how to eliminate them. If malfunctions
occur with increasing regularity, shorten the maintenance intervals to reflect the actual load. If malfunctions
occur that cannot be eliminated with the following help, please contact the manufacturer.
9.1. SAFETY NOTES FOR TROUBLESHOOTING
In any case of malfunction, the shut-o valves oft he connected gas cylinder, gas container or bundle must be
closed. Never operate devices with malfunctions under pressure.
WHAT TO DO IN CASE OF MALFUNCTION:
1. Interrupt and ensure gas supply.
2. Depressurize pressure regulators and close valves.
3. Only trained technical sta may eliminate malfunctions.
4. Restore component to its original state.
Description Reason Solution Valve Cylinder
Regulator
Line
Regulator
Gas
Supply Panel
No Flow
(Inlet Gauge
shows pres-
sure, outlet
gauge not)
Pressure
Regulator is
closed
Open pressure
regulator slowly
Close purge
valve
No Flow (Inlet
and Outlet
Gauge show
„0“)
Cylinder Valve
closed Pro-
cessgas Valve
closed Pres-
sure Regulator
closed Cylin-
der coil/ hose
not connected
Initial Start- Up
see point 6
Installation and
initial start-up
No Flow Handwheel
closed
Open hand-
wheel slowly

18/44
EN
Description Reason Solution Valve Cylinder
Regulator
Line
Regulator
Gas
Supply Panel
Increase of
outlet pressure
& relief valve
opens
Leakage in
pressure regu-
lator seat
Repair by
manufacturer
Slight increase
of outlet pres-
sure & relief
valve does not
open
Inlet pressure
drop
No failure, nor-
mal operating
state
Slight increase
of outlet pres-
sure
Dierence
between flow
pressure (with
gas flow) and
Zero Pressure
(without gas
flow)
No failure, nor-
mal operating
state
Slight drop of
outlet pressure
Dierence
between flow
pressure (with
gas flow) and
Zero Pressure
(without gas
flow)
No failure, nor-
mal operating
state
Heavy drop of
outlet pressure
Required
flow to high
for pressure
regulator
Choose new
pressure
regulator for re-
quired pressure
and flow
Heavy drop of
outlet pressure
Leakage in
process gas
tubing
Check process
gas tubing
Outlet Pres-
sure to high
Wrong set-
tings for pres-
sure regulator
Adjust pressure
regulator set-
tings, readjust
pressure
regulator, main-
tenance
Outlet pres-
sure increase
immediately
all the way to
the stop or
outlet pressure
increases and
gets slowly
higher than set
value and relief
valve opens
Pollution or
damage of
pressure
regulator seat
“Creap“
Repair by
manufacturer

19/44
EN
Description Reason Solution Valve Cylinder
Regulator
Line
Regulator
Gas
Supply Panel
Noise during
operation
Required
flow too high
for pressure
regulator
Choose new
pressure
regulator for re-
quired pressure
and flow
No changes of
valve control
when turning
the handwheel
Defect
handwheel be-
cause of too
high torque,
defect of
spindle, defect
of thread
Repair by
manufacturer
Moisture on
pressure regu-
lator (NO dew,
rain or snow)
Pressure regu-
lator withdraw
energy from
environment
through gas
expansion
No failure, nor-
mal operating
state
Icing on pres-
sure regulator
(NO dew, rain
or snow)
Pressure regu-
lator withdraw
energy from
environment
through gas
expansion, lim-
ited delivery
performance
from pressure
gas tanks, e.g.
N2O, CO2
No failure, nor-
mal operating
state ATTEN-
TION: keep
functionality of
contact gauges
in mind, raise
quantity of
pressure gas
tanks
This table is not exhaustive. For questions and ambiguities please contact manufacturer.
10. DISMANTLING AND DISPOSAL
Once the system has reached its end-of-life, it must be dismantled and disposed of in an environmentally
compatible way.
10.1. SAFETY NOTES FOR DISMANTLING AND DISPOSAL
WARNING!
• Risk of injury through incorrect dismantling!
RESIDUAL ENERGY STORAGE, SHARP EDGED COMPONENTS, TIPS AND CORNERS ON AND IN THE
SYSTEM OR ON THE REQUIRED TOOLS CAN CAUSE INJURY.
• arrange enough space for working
• be careful with sharp edges
• pay attention for order and cleanness
• loose components can cause accidents
• dismantle the components properly. Bear in mind that some of the components are heavy. Use lifting
equipment if necessary
• secure the components against falling or toppling over

20/44
EN
10.2. DISMANTLING
PRIOR STARTING DISMANTLING
Depressurize the line regulator by turning the handwheel.
Depressurize tubing system and purge with inert gas if neccessary.
Dismantle the assemblies and components properly and in compliance with applicable local work safety and
environmental protection regulations. environmental protection regulations.
At the end devices and components have to be cleaned and disassembled due to valid rules of industrial
safety and environment protection.
WARNING!
• Do not open system filled or used with toxic and/ or corrosive gases.
10.3. DISPOSAL
In the absence of a return or disposal agreement, the dismantled components should be recycled as follows:
Metals: scrap.
Plastics: recycle.
Other components: sort and dispose.
In accordance to Article 33 of REACH GCE, s.r.o. as responsible manufacturer shall inform all customers
if materials containing 0.1% or more of substances included in the list of Substance of Very High Concern
(SVHC).
The most commonly used brass alloys used for bodies and other brass components contain 2-3% of lead (Pb),
EC no. 231-468-6, CAS no. 7439-92-1. The lead will not be released to the gas or surrounding environment
during normal use. After end of life the product shall be scrapped by an authorized metal recycler to ensure
ecient material handling with minimal impact to environment and health.
To date we have no information that indicates that other materials containing SVHC of concentrations
exceeding 0.1% are included in any GCE product.
NOTE!
• Risk of environmental harm through incorrect disposal!
• Incorrect disposal can harm the environment.
• Commission a specialized licensed firm to dispose of electrical waste, electronic components, lubricants
and other auxiliary materials.
• If in doubt, enquire how to ensure environmentally compatible disposal at your local council oce or
consult a specialist disposal firm.
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These products were manufactured on behalf of Linde GmbH.