Weh TSF2 H2 User manual

WEH®- We Engineer Hightech
Type TSF2 H2
Operating instructions ⋅Betriebsanleitung Date: 09/22
WEH®Coalescing filter for use in hydrogen vehicles and fueling
stations
WEH®Koaleszenzfilter zur Verwendung in Wasserstofffahrzeugen
und -tankstellen

Die deutsche Version ist das Original.
Hersteller: WEH GmbH Gas Technology - im Nachfolgenden „WEH“ genannt.
The German version is the original.
Manufacturer: WEH GmbH Gas Technology - hereafter referred to as 'WEH'.
LANGUAGES
TYPE TSF2 H2� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 4
WEH®Coalescing filter for use in hydrogen vehicles and fueling stations
TYP TSF2 H2� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 28
WEH®Koaleszenzfilter zur Verwendung in Wasserstofffahrzeugen und
-tankstellen
AE
DE

Type TSF2 H2
WEH®Coalescing filter for use in hydrogen vehicles and fueling
stations
CONTENTS
1. INTRODUCTION 6
1.1 For your guidance 6
1.2 General information 7
1.3 Warranty and liability 7
1.4 General safety instructions 8
1.5 Definition of qualified personnel 9
2. INTENDED USE 10
2.1 Automotive use 10
2.2 Industrial use 10
3. PRODUCT OVERVIEW / PRODUCT DESCRIPTION 11
4. TECHNICAL DATA 12
5. STORAGE 13
5.1 Safety instructions for proper storage 13
5.2 Storage 14
6. REQUIRED TOOLS 15
MD-10029-L51-R2.1.0-03
Page 4
Operating instructions
AE

The German version is the original.
Manufacturer: WEH GmbH Gas Technology – hereinafter referred to as “WEH”.
7. INSTALLATION 16
7.1 Safety instructions for installation 16
7.2 Installing the filter 17
7.3 Checking the connection for leak tightness 18
8. INSPECTION | MAINTENANCE FOR INDUSTRIAL ARTICLES ONLY 19
8.1 Safety instructions for inspection and maintenance 19
8.2 Note on the cleaning interval of the filter cartridge 20
8.3 Overview of minimum intervals for inspection and maintenance 20
8.4 Maintenance 21
9. TROUBLESHOOTING 27
10. DISPOSAL 27
11. ACCESSORIES | SPARE PARTS 27
MD-10029-L51-R2.1.0-03 Page 5
Operating instructions AE

1. INTRODUCTION
Dear Customer,
thank you for deciding to use our products.
The WEH®TSF2 H2Coalescing filter has been developed to filter dirt particles and to
seperate liquids from the gas stream in hydrogen vehicles and fueling stations.
Observe and follow all instructions and warnings in these operating instructions�
Non-observance may result in personal injury and/or property damage�
1�1 For your guidance
The markings and symbols contained in these operating instructions have the following
meanings:
- Items are indicated by a dash
ÎCalls for action are indicated by an arrow
Figures
The illustrations and/or images used in these operating instructions are particularly provided
for illustrative purposes only and may differ in some details from the actual product. For
binding information, please refer to your individual orders.
Abbreviations / Definitions
For explanation of abbreviations and definitions of terms see applicable Technical
Appendix of the corresponding catalog or www.weh.com
Definition of signal words
Caution: A section marked with 'Caution' warns you about hazards that could result in a
slight, usually reversible personal injury if you do not comply with this instruction.
Attention: Sections marked ‘Attention’ warn you of situations that could lead to property
damage and disruptions in operation if you do not comply with the instruction.
Note: Sections marked ‘Note’ indicate that malfunctions in operation may occur if you
do not comply with the instruction.
Please note: Sections marked with ‘Please note’ provide you with additional information
for smooth operation.
MD-10029-L51-R2.1.0-03
Page 6
Operating instructions
AE

1�2 General information
ÎFirst read these operating instructions to avoid misuse and resulting damage.
- In these operating instructions you will find all the necessary information and instruc-
tions for the WEH®Product.
ÎThen check the contents of your delivery. Each delivery must contain:
- a delivery note
- an original WEH Test report (not applicable to spare parts)
- WEH operating instructions
ÎIf any documents are missing, please contact WEH or your responsible distributor.
1�3 Warranty and liability
- Our General Terms and Conditions apply.
ÎRead these operating instructions and safety instructions carefully and follow the
information contained therein.
- The information in these operating instructions reflects to the state of knowledge at
the time of printing. Failure to comply may void the warranty. Any side agreements to
these operating instructions require the written approval of the Head of the Quality
Department at WEH.
- Violation of these operating instructions result in the lapse of all warranty claims.
WEH will accept no liability for consequential damage, in particular damage due to
personal injury and/or other legal interests.
Caution: WEH®Products may only be repaired by WEH.
ÎContact WEH or the responsible distributor if the WEH®Product requires mainte-
nance. Special maintenance work that may be performed by the operator is described
in these operating instructions and is specially marked.
ÎOnly use original WEH®Spare parts. These are exactly suited to the WEH®Product
and subject to strict quality controls.
- You are responsible for the correct operation of the replacement or repair. WEH is
not responsible for the performance or any damage and/or losses arising from it.
WEH assumes no guarantee, warranty, product liability or other liability for any re-
placement or repair of the WEH®Product performed by you or a third party. If you or
a third party does not have the necessary skills and qualification for proper perfor-
mance, you must refrain from performing replacement or repair. Otherwise, there is
a particular risk of endangering yourself and third parties.
MD-10029-L51-R2.1.0-03 Page 7
Operating instructions AE

1�4 General safety instructions
ÎAlways comply with all applicable local, national and international requirements,
stipulations, decrees, laws, standards, provisions, directives, norms, regulations,
prohibitions and instructions as well as all applicable industrial, quality and tech-
nical standards. In particular, make sure that you and all users comply with the ap-
plicable requirements related to occupational health and safety as well as product
safety requirements and that all required permissions, certificates and approvals
have been obtained.
ÎThese operating instructions should be provided to anyone responsible for the
installation, operation and maintenance of this WEH®Product.
- The WEH®Product and these operating instructions are intended for use by
qualified personnel (see Chapter 1.5). Make these operating instructions available
in particular to the qualified personnel responsible for the individual phases of the
life cycle (especially for storage, installation, operation, inspection and mainte-
nance, troubleshooting and disposal) of the WEH®Product. The qualified personnel
must have read and understood these operating instructions.
ÎContact WEH before using the WEH®Product if the instructions in these operating
instructions are unclear in any way.
ÎTake appropriate safety measures if operating conditions exist that could endanger
the user.
ÎIn case of any damage that may affect the proper functioning of the WEH®Product, do
not use the WEH®Product until the situation has been clarified. Disassembly of the
WEH®Product may only be performed by WEH.
ÎComply with the assembly data indicated in these operating instructions. Tightening
with higher torques/assembly turns can result in damage or even fractures when the
system is pressurized.
ÎDo not use any auxiliary materials or cleaning agents other than those indicated in
these operating instructions. Using other auxiliary materials or cleaning agents may
cause damage to the WEH®Product or to downstream components.
- WEH is not responsible for damage caused by external forces or other external
influences.
- It is assumed that only transport and storage facilities suitable for the storage of the
WEH®Product are used.
MD-10029-L51-R2.1.0-03
Page 8
Operating instructions
AE

ÎDo not apply any external forces to the WEH®Product. Therefore, do not lean on the
(connected) WEH®Product, do not hang on the WEH®Product and do not climb on
the WEH®Product under any circumstances. In addition, refrain from hammering
on the WEH®Product or similar. Such force effects can lead to damage to property
and personal injury. Also make sure that the WEH®Product is protected from being
stepped on or run over in any way.
- The WEH®Product can become very hot or very cold due to the possible fluids
flowing through it, depending on the application and operating situation. In this
regard, observe the national and international regulations on occupational health
and safety to prevent injuries.
1�5 Definition of qualified personnel
- Qualified personnel, as defined by these instructions, are persons who, based on
their professional training, their knowledge (including the relevant standards and
regulations), experience and manual skills, can independently assess and properly
perform assigned work tasks (in conjunction with WEH®Products) and can thus
independently recognize and prevent potential dangers at an early stage.
MD-10029-L51-R2.1.0-03 Page 9
Operating instructions AE

2. INTENDED USE
- The WEH®TSF2 H2Coalescing filter has been developed to filter dirt particles and to
seperate liquids from the gas stream in hydrogen vehicles and fueling stations.
ÎAlways ensure that the WEH®Product is used only within the range of its intended use.
Please note in particular the technical data of the WEH®Product in Chapter 4 as well
as the marking on the WEH®Product itself.
2�1 Automotive use
ÎFor automotive purposes, use only WEH®Coalescing filters with e1-approval in
vehicles with road registration.
Please note: WEH does not provide standard maintenance for automotive use when
catalog items are ordered.
2�2 Industrial use
ÎFor industrial purposes, use only WEH®Coalescing filters with pressure equipment
classification in vehicles without road registration such as industrial trucks and in
industrial systems (e.g. fueling stations).
Please note: Industrial use of the coalescing filter may require maintenance at
regular intervals. Please refer to the Chapter 8. Inspection | Maintenance for industrial
articles only on page 19.
- When used at sea or in the vicinity of the sea, increased salt and moisture content
of the air may cause faster wear and corrosion of the product. Please observe the
special maintenance instructions in Chapter 8.2 Note on the cleaning interval of the
filter cartridge on page 20.
- The WEH®Coalescing filter for vehicles without road registration and industrial
systems is generally classified as pressure accessory in accordance with Article 2
(5) of the Pressure Equipment Directive 2014/68/EU and is considered to be similar
to piping. This WEH®Product may not be used as safety accessory. Furthermore, it
is pointed out, that this WEH®Product is designed and placed on the market
in accordance with the requirements of Article 4 (3) of the Pressure Equipment
Directive 2014/68/EU. The assessment with regard to a different classification can,
however, be made on request.
Caution: Any use beyond the scope of application is considered as unintended use
and may result in personal injury and/or property damage.
MD-10029-L51-R2.1.0-03
Page 10
Operating instructions
AE

3. PRODUCT OVERVIEW / PRODUCT DESCRIPTION
Pos� Description Definition of ports
100 Housing B1 Media inlet
200 Screw plug B2 Media outlet
210.1 Plug QOil outlet
210.2 O-ring
301 O-ring
302 Back-up ring
400 Filter cartridge Ø 38 mm
401 Stud bolt
402 Nut
403 Sealing ring
Q
B1
B2
100 401 403 400 301 302 200 402 210.2 210.1
MD-10029-L51-R2.1.0-03 Page 11
Operating instructions AE

4. TECHNICAL DATA
Please note: Depending on the application, the technical data of your WEH®Product
may differ from these operating instructions. Please therefore observe the marking on
the WEH®Product itself.
Characteristics Basic version Variants
Nominal bore (DN) 10 mm On request
Pressure range PN = 35 MPa | PS = 45 MPa
Temperature range -40 °C to +85 °C On request
Part materials Corrosion resistant stainless steel On request
Sealing materials Hydrogen resistant On request
Filter element < 1 µm On request
Design Incl. Plug On request
Conformities /
Tests /
Approvals 00 0004 (Regulation (EC) No. 79/2009)
MD-10029-L51-R2.1.0-03
Page 12
Operating instructions
AE

5. STORAGE
5�1 Safety instructions for proper storage
ÎMake sure that you always comply with these following safety instructions and stor-
age time.
Attention: Improper storage of the WEH®Product can significantly reduce the maxi-
mum service life.
ÎProtect the WEH®Product against damage, contamination, inappropriate storage
and excessive temperature fluctuations.
ÎStore the WEH®Product, the accessories and spare parts in the original packaging
until they are used for the first time and during periods when they are not being used.
ÎStore the WEH®Product within a temperature range of -40 °C up to +40 °C. Storage
temperatures outside this range may affect the service life of the WEH®Product.
ÎDo not store the WEH®Product in the vicinity of heat sources. Avoid humidity and
condensation. The ideal relative air humidity for storage is approx. 65%.
ÎDo not store the WEH®Product together in the same space with solvents, chemicals,
acids, fuels or disinfectants.
ÎProtect the WEH®Product against light, in particular direct sunlight, oxygen, ozone,
heat, UV radiation, and other negative environmental influences. The service life of
parts made of elastomer or plastic may be substantially reduced by such environ-
mental factors.
ÎDo not stack WEH®Products. For storage and retrieval, follow the first-in-first-out
(FIFO) principle.
MD-10029-L51-R2.1.0-03 Page 13
Operating instructions AE

5�2 Storage
ÎFollow the safety instructions in Chapter 5.1 and observe the following storage
times. The appropriate storage period applies from the date of delivery (i.e. the date
of invoicing or goods issue date as recorded by WEH or its distributor). If the
WEH®Product is installed in a complete system, the storage time depends on the
component with the shortest storage time.
Up to 3 years
ÎBefore use, check the surfaces of the seals for cracks.
Attention: Any elastomer seals with fine cracks on the surface must
be replaced.
Note: If you should have any doubts about the aging state of the
stored WEH® Product, please contact WEH.
Attention: Before commissioning, check the WEH® Product for leak
tightness. On this topic, see Chapter 7.3 Checking the connection for
leak tightness on page 18.
> 3 years - Before use, all elastomer seals must be replaced.
ÎFor this, send the WEH®Product to WEH for maintenance.
MD-10029-L51-R2.1.0-03
Page 14
Operating instructions
AE

6. REQUIRED TOOLS
Part no� Description Installation Commis-
sioning
Mainte-
nance
-- Open-ended wrench A/F19 X X
-- Calibrated torque wrench
(suitable for corresponding torque) X X
-- Foaming leak detection agent X X
-- Open-ended wrench A/F16 X
-- Vice with aluminum jaws X
-- Open-ended wrench A/F46 X
-- Open-ended wrench insert
A/F19
(suitable for the torque wrench) X
-- Open-ended wrench insert
A/F46
(suitable for the torque wrench) X
-- Allen key insert A/F16
(suitable for the torque wrench) X
-- Brush X
E34-110639 WEH®Assembly tool X
E34-119732 WEH®Assembly tool X
E34-95499 WEH®Assembly tool X
W136538 WEH®O-ring picker set
(consisting of 3x Art. No. E98-101969) X
E99-85789 WEH®Lubricant X
E99-74725 WEH®Lubricant X
E99-90160 WEH®Threadlocking adhesive X
E99-9 WEH®Degreasing spray X
MD-10029-L51-R2.1.0-03 Page 15
Operating instructions AE

7. INSTALLATION
7�1 Safety instructions for installation
ÎCheck the information provided in these operating instructions and the label on the
WEH® Product. The information must conform to your application.
ÎOnly connect the WEH®Product to faultless connections.
ÎCheck the WEH®Product for transport damages, contamination and other damage. If
you should detect anything wrong with the WEH®Product, it may no longer be used.
Replace the WEH®Product or send it to WEH for maintenance.
ÎRemove transport securing devices (such as protection caps) before installing the
WEH®Product. Transport securing devices serve the purpose of protecting the
product and connection ports during transport and storage. The transport securing
devices are not, for example, designed to withstand pressure or to be used as plugs.
ÎEnsure that the system is depressurized. Installation must only be effected in de-
pressurized condition.
ÎInstall the WEH®Product carefully without exerting any force.
The product must not be exposed to any additional mechanical stress. Additional
mechanical stress, e.g. lateral forces caused by connected pipes, may lead to leak-
ages and may cause the product to burst.
ÎRelevant technical standards must be observed during installation.
ÎObserve the installation direction of the WEH®Product. The coalescing filter is mount-
ed between two pipe or hose ends of the media line. The drain port ‘Q’ of the coalesc-
ing filter should point perpendicularly downwards and be easy to access. The plug
must be unscrewed to allow accumulated oil to be bled off.
Attention: Please note the flow direction marked.
ÎBefore installation, check if the counterparts are designed to withstand the assembly
data (see Chapter 7.2 Installing the filter) that WEH determined for this WEH®Product.
Note: The indicated assembly data (tightening torques, assembly turns etc.) are values
that apply only to the components delivered by WEH.
MD-10029-L51-R2.1.0-03
Page 16
Operating instructions
AE

7�2 Installing the filter
Please note: Subsequent mentions of descriptions and position numbers refer to
Chapter 3. Product overview / product description on page 11.
ÎInstall the WEH®Product so that the plug (Pos. 210) for
the drain port “Q” is pointing perpendicularly down and is
easily accessible. The plug must be unscrewed to allow
accumulated oil to be bled off.
Attention: Please note the flow direction marked
(Figure 1).
ÎUnscrew the protection caps from the ports.
ÎUse an open-ended wrench to hold the wrench flats in
place when installing the WEH®Product.
ÎScrew the media inlet ‘B1’ of the filter housing pressure-tight to the media inlet.
For the tightening torque, please refer to the table below.
Attention: Please note the flow direction marked on the product.
Note: For tube fittings, please note the WEH®Operating instructions "Products with
double ferrule fitting".
ÎScrew the media outlet ‘B2’ of the filter housing pressure-tight to the media outlet.
For the tightening torque, please refer to the table below.
Attention: Please note the flow direction marked on the product.
Note: For tube fittings, please note the WEH®Operating instructions "Products with
double ferrule fitting".
Ports Torque
UNF 9/16"-18 35 Nm +10%
UNF 3/4"-16 70 Nm +10%
ÎPlease note the connection size marked on your product.
- Other connection sizes are available on request.
- Optionally, the WEH®Product can be attached at any posi-
tion via the 4 bores. Fasten the coalescing filter as shown
in the bore hole image (Figure 2).
Figure 1
32
(16) (16)
32
(16) (16)
M8
depth 15 mm
>>>
Figure 2
MD-10029-L51-R2.1.0-03 Page 17
Operating instructions AE

7�3 Checking the connection for leak tightness
- Check the WEH®Product and connections for leak tightness before commissioning
for the first time.
ÎApply the operating pressure slowly to the WEH®Product slowly.
ÎUse a foaming leak detection agent to check the WEH®Product and connections to
the product for leak tightness. The test points must be sealed tight without any bub-
bles.
Caution: Observe the technical data in Chapter 4 and all appropriate technical stan-
dards and applicable legal requirements.
Attention: Do not use a leak detection spray that contains ammonia, since this could
cause corrosion to the product.
MD-10029-L51-R2.1.0-03
Page 18
Operating instructions
AE

8. INSPECTION | MAINTENANCE FOR INDUSTRIAL ARTICLES ONLY
Please note: Subsequent mentions of descriptions and position numbers refer to
Chapter 3. Product overview / product description on page 11.
Please note: Setting appropriate inspection and maintenance guidelines for automotive
applications depending on their mileage is the responsibility of the vehicle’s distributor.
We would be pleased to support you in this - just ask!
Attention: If damage to the WEH®Product, restrictions to its functionality or leaks are
found, the WEH®Product must be sent to WEH for maintenance.
8�1 Safety instructions for inspection and maintenance
- The WEH®Product must be depressurized and dismantled for maintenance work.
ÎCheck the WEH®Product for leakage after maintenance work. Please refer to Chapter
7.3 Checking the connection for leak tightness on page 18.
- For inspection purposes, it is not necessary for the WEH®Product to be dismantled,
but it must be depressurized.
ÎOnly use original WEH®Spare parts. These are exactly suited to the intended applica-
tion and subject to strict quality controls.
Attention: Any plastic seals must be replaced during each maintenance.
ÎDo not damage sealing surfaces or sealing components.
ÎBefore reassembling; check the components, threads and, if present, the sealing
surfaces for damage and contamination. Should you find any damage, replace the
WEH®Product or send it to WEH for maintenance. Stop using the WEH®Product
immediately.
ÎAssemble the WEH®Spare parts absolutely free of oil and dust.
ÎBefore each reassembly, clean the WEH®Product and the corresponding
components by blowing off with oil-free compressed air and remove any adhering
dirt using a damp, soft and lint-free cloth. Do not use solvents. Use only clean water
as cleaning agent.
Attention: Only use oil-free compressed air to blow off the dirt.
Note: Make sure that no cleaning agent enters the gas channel.
ÎBefore using the adhesive or the WEH®Threadlocking adhesive, always degrease the
threads/surfaces to be glued with the WEH®Degreasing spray part no. E99-9.
ÎWhen using the adhesive or the WEH®Threadlocking adhesive, the guidelines of the
manufacturer have to be observed, e.g. the curing time of 24 hours.
MD-10029-L51-R2.1.0-03 Page 19
Operating instructions AE

ÎMake sure that no sealing surfaces or sealing components get in contact with the
adhesive or the WEH®Threadlocking adhesive.
ÎObserve the specified tightening torques and bondings during maintenance.
8�2 Note on the cleaning interval of the filter cartridge
- The service life of the filter cartridge (Pos. 2) is primarily dictated by the conditions
of the overall system. Filter cartridge inspections should therefore be carried out as
occasion demands.
If you should see any anomalies in the system that may have caused contamination
of any kind, then please inspect the filter cartridge as part of your inspection work.
Excessive refueling times may be an indication that the filter cartridge is
contaminated.
Depending on the degree of contamination, it may be necessary for the operator to
set a suitable maintenance schedule independently.
Products that are used at sea or in the vicinity of the sea must be sent to WEH for
maintenance after one year at the latest.
To replace the filter cartridge, the housing seals and the O-ring on the plug, observe
the Chapter 8.4.1 Replacing the O-ring on the plug (Pos. 210) on page 21 and
Chapter 8.4.2 Replacing the housing seals and the filter cartridge (Ø38,0 mm) on
page 22.
8�3 Overview of minimum intervals for inspection and maintenance
No� Inspection
Initial
(before commission-
ing for the 1st time)
After each
maintenance No� 3
1 Check exterior for damage and dirt X X
2
Check coalescing filter, media inlet and
media outlet for leakage (see Chapter 7.
Installation)X X
No� Maintenance
When required, see
Chapter 8.4.1 and
Chapter 8.4.2
After each
oil drain
3*Replace filter cartridge, housing seals
and O-ring of the plug X
4*Replace O-ring of the plug X
*depending on what happens first
Note: For component arrangement see Chapter 3. Product overview / product description
on page 11.
ÎIf your application requires, set shorter intervals thanindicated above. A significant
shortening of the minimum intervals is particularly necessary if abnormalities are
found during the inspections.
MD-10029-L51-R2.1.0-03
Page 20
Operating instructions
AE