AWH DN10 User manual

Armaturenwerk Hötensleben GmbH
Operating Instructions
Inline Sight Glass
Type: DN10 - DN150
Type: 1" - 4"
Type: 1" - 4" SMS (France version)
(Translation)

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Inline Sight Glass Operating Instructions
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Note
These operating instructions are part of the facility and must be available to
operating and maintenance personnel at all times. The safety instructions included
herein must be observed. If the facility is resold, the operating instructions must
also be supplied to the new owner.
Translation
If delivered to countries within the EEA, these operating instructions must be translated into the language
of the country of use. If any discrepancies arise in the translated text, the original operating instructions
(German) shall be consulted for clarication or the manufacturer shall be contacted.
Copyright
Transfer and reproduction of this document is forbidden, as is the utilisation and communication of its
contents, without the express permission of the owner. Any infringement of this copyright will result in
claims for damages. All rights reserved.

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Inline Sight Glass
Operating Instructions
1. Contents
1.1 Table of Contents
1. Contents 3
1.1 Table of Contents 3
1.2 Table of Pictures 3
1.3 Manufacturer‘s Declaration 5
1.4 Declaration of Conformity 7
2. Overview and Intended Use 9
2.1 Overview 9
2.2 Intended Use 10
3. Technical Data 11
3.1 Materials in Contact with the Product 11
3.2 Connection Variants, Type Series, Dimensions 11
3.3 General Data 15
4. Safety / Hazards 16
4.1 Advices / Explanations 16
4.2 Labelling of the Dirt Trap 17
4.3 Safety Measures (to be executed by the operator) 17
4.4 Operator’s Duties 17
5. Hazard Warnings 19
5.1 Hazards 19
5.2 Hazardous Area of the Inline Sight Glass 19
5.3 Installing Replacement Parts and Wearing Parts 20
5.4 Shutdown Procedures 20
6. Installation 21
6.1 Scope of Delivery 21
6.2 Transport and Packaging 21
6.2.1 Delivery (including for spare and replacement parts) 21
6.2.2 Temporary Storage 21
6.3 Installing 22
6.3.1 Installing the Inline Sight Glass with Male/Male, Liner/Liner, Male/Liner Connection 22
6.3.2 Installing the Inline Sight Glass with Weldon Ends Connection 22
7. Structure / Function 24
8. Assembly / Disassembly 25
8.1 Disassembly from the System 25
8.2 Assembly with Glass Cylinder Replacement 25
9. Maintenance / Cleaning 26
10. Malfunction, Cause, Remedy 27
11. Emergency 28
12. Disposal 29
3
Page
Pic. 2-1 Overview 9
Pic. 3-1 Connection Variants DIN Weldon Ends, Male/Male 12
Pic. 3-2 Connection Variants Male/Liner with Nut, Liner with Nut/Liner with Nut 13
Pic. 3-3 Connection Variants Inch Weldon Ends, SMS Weldon Ends 14
Pic. 7-1 Inline Sight Glass 24
1.2 Table of Pictures

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Inline Sight Glass
Operating Instructions
Directive/standard Title Version Comments
DIN EN 62079 Preparation of instructions - Structuring,
content and presentation
2001
97/23/EC EC Pressure Equipment Directive 2003
DIN EN 12516-2 Industrial  ttings - Shell design strength -
Part 2: Calculation method for steel  tting
shells
10/2004
AD 2000 data sheets Speci cations for pressure equipment
(national standards)
The  ttings are designed for  uids in  uid group 1 and for gases in  uid group 2.
According to this, the nominal diameters are categorised as DN10 - DN125, 1" - 4" in accordance with
Section 3, Article 3.
Armaturenwerk Hötensleben GmbH
Schulstr. 5 - 6
D-39393 Hoetensleben
Manufacturer's declaration
in accordance with
-EC Directive: Pressure Equipment 97/23/EC, Annex II A
We hereby declare that design of
Designation: Inline sight glass
Type: DN10 - DN125 / 1"- 4"/ SMS 1"- 4"
in its delivered version is consistent with the listed directive and the standards
(harmonised standards in accordance with the directives):
If any modi cations are made to the inline sight glass without our agreement, this declaration is void.
Note:
Commissioning is prohibited until it is certain that the overall system fulfi ls the provisions of the
directives. For information about proper use of the fi ttings, see the operating instructions.
Hötensleben, 29 November 2013
..............................................................................
Thomas Erhorn / CEO
Person authorised to compile the technical documentation:
Armaturenwerk Hötensleben GmbH
Mr Guth, Schulstr. 5 - 6, D-39393 Hoetensleben
5
1.3 Manufacturer's Declaration
DN 10 15 20 25
1"
32
1 1/4"
40
1 1/2"
50
2" 2 1/2"
65
3"
80 100
4"
125
PN (bar) 10 9877
Hötensleben, 29 November 2013
..............................................................................
Thomas Erhorn / CEO
Person authorised to compile the technical documentation:

11/13
Inline Sight Glass
Operating Instructions
Directive/standard Title Version Comments
DIN EN 62079 Preparation of instructions - Structuring,
content and presentation
2001
97/23/EC EC Pressure Equipment Directive 2003
DIN EN 12516-2 Industrial  ttings - Shell design strength -
Part 2: Calculation method for steel  tting
shells
10/2004
AD 2000 data sheets Speci cations for pressure equipment
(national standards)
The  ttings are designed for  uids in  uid group 1 and for gases in  uid group 2.
Nominal widths DN150 are classi ed by category.
Armaturenwerk Hötensleben GmbH
Schulstr. 5 - 6
D-39393 Hoetensleben
Declaration of conformity
in accordance with
-EC Directive: Pressure Equipment 97/23/EC, Annex II A
We hereby declare that design of
Designation: Inline sight glass
Type: DN150
in its delivered version is consistent with the listed directive and the standards
(harmonised standards in accordance with the directives):
If any modi cations are made to the inline sight glass without our agreement, this declaration is void.
Note:
Commissioning is prohibited until it is certain that the overall system fulfi ls the provisions of the
directives. For information about proper use of the fi ttings, see the operating instructions.
Hötensleben, 29 November 2013
..............................................................................
Thomas Erhorn / CEO
Person authorised to compile the technical documentation:
Armaturenwerk Hötensleben GmbH
Mr Guth, Schulstr. 5 - 6, D-39393 Hoetensleben
7
1.4 Declaration of Conformity
DN 150
PN (bar) 7
Hötensleben,
29 November 2013
..............................................................................
Thomas Erhorn / CEO
Person authorised to compile the technical documentation:

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Inline Sight Glass
Operating Instructions
2. Overview and Intended Use
Pic. 2-1 Overview
2.1 Overview
9
1 Mesh safety screen
2 Polycarbonate safety screen
3 Glass cylinder
4 Hexagonal nut
5 Seal
6 Stud bolt
7 Flange
4
1
5
2
6
7
3

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Inline Sight Glass Operating Instructions
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The AWH inline sight glasses are intended for installation in pipelines. They are for monitoring the  ow of
 uid in commercial and industrial operations (food, chemical and pharmaceutical industries and lowgerm
processes) and have been designed and built speci cally for that purpose. Suitable  ow media include
water, steam, food and liquids from the chemical and pharmaceutical industry subject to a hygienic
standard.
2.2 Intended Use
WARNING
These inline sight glasses were designed exclusively for the purposes described
above. Any other use beyond that described here or alteration of the inline sight
glass without written approval from the manufacturer is considered contrary to
the intended use. The manufacturer accepts no liability for damages arising from
this. The operator alone bears the risk. The inline sight glass may only be commis-
sioned once it is certain that all the safety systems are fully functioning and the
system in which the inline sight glass is installed corresponds to the EC directives.
Intended use also includes compliance with these operating instructions, including the maintenance
and repair conditions.
The work described in these operating instructions is described in a way intended to be understood and
carried out by experts only.
Expert
A person with appropriate training, suitable instruction and experience who is in a position to identify
risks and avoid hazards.
(As de ned in EN 60204-1:2006)
Note
You can  nd the technical data sheet on the product pages of the current AWH
“Strainers and Sight Glasses” catalogue, on the Internet or you can request it
directly from Armaturenwerk Hötensleben GmbH.

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Inline Sight Glass
Operating Instructions
3. Technical Data
3.1 Materials Contact with the Product
See Pic. 2-1:
Housing ( anges) (item 7): 1.4301 / 1.4307 / 1.4404 / 1.4435
Glass cylinder (item 3): Borosilicate glass
Seal ring (item 5): Selected according to operating conditions
Sealing material:
EPDM: sterilisation temperature: short-term max. 140°C
NBR: sterilisation temperature: short-term max. 130°C
CAUTION
The inline sight glass's area of application shall always be adjusted to the relevant
operating conditions and the materials that come into contact with the product.
Surfaces
Exterior surface: metal bright / polished
Interior surfaces in contact with product: Ra < 0.8 µm
11
3.2 Connection Variants, Type Series, Dimensions
Note
The various connection dimensions for the inline sight glasses are listed below.
The product should preferably be installed in the vertical position. See the table
for dimensions.
You can  nd the technical data sheet on the product pages of the current AWH
“Strainers and Sight Glasses” catalogue, online or you can request it directly
from Armaturenwerk Hötensleben GmbH. The names of the data sheet and the
operating instructions must be identical.

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Inline Sight Glass Operating Instructions
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DN D1 D2 L L1 D1 L L1 E
10 10 15 88 60 10 122 60 Rd 28 x 1/8"
15 16 21 88 60 16 122 60 Rd 34 x 1/8"
20 20 25 88 60 20 124 60 Rd 44 x 1/6"
25 26 31 98 70 26 142 70 Rd 52 x 1/6"
32 32 37 104 70 32 154 70 Rd 58 x 1/6"
40 38 43 112 70 38 164 70 Rd 65 x 1/6"
50 50 55 112 70 50 168 70 Rd 78 x 1/6"
65 66 72 127 85 66 191 85 Rd 95 x 1/6"
80 81 87 135 85 81 209 85 Rd 110 x 1/4"
100 100 106 169 115 100 257 115 Rd 130 x 1/4"
125 125 132 202 160 125 270 160 Rd 160 x 1/4"
150 150 157 216 170 150 290 170 Rd 190 x 1/4"
Pic. 3-1 Connection Variants DIN Weldon Ends, Male/Male
D2
D1
L
L1
E
D1
L
L1
DIN Connection Variants
DIN – weldon ends DIN – male/male

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Inline Sight Glass
Operating Instructions
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DN D1 L L1 E D1 L L1 E
10 10 122 60 Rd 28 x 1/8" 10 122 60 Rd 28 x 1/8"
15 16 122 60 Rd 34 x 1/8" 16 122 60 Rd 34 x 1/8"
20 20 124 60 Rd 44 x 1/6" 20 124 60 Rd 44 x 1/6"
25 26 142 70 Rd 52 x 1/6" 26 142 70 Rd 52 x 1/6"
32 32 154 70 Rd 58 x 1/6" 32 154 70 Rd 58 x 1/6"
40 38 164 70 Rd 65 x 1/6" 38 165 70 Rd 65 x 1/6"
50 50 168 70 Rd 78 x 1/6" 50 168 70 Rd 78 x 1/6"
65 66 191 85 Rd 95 x 1/6" 66 191 85 Rd 95 x 1/6"
80 81 209 85 Rd 110 x 1/4" 81 209 85 Rd 110 x 1/4"
100 100 257 115 Rd 130 x 1/4" 100 257 115 Rd 130 x 1/4"
125 125 270 160 Rd 160 x 1/4" 125 270 160 Rd 160 x 1/4"
150 150 290 170 Rd 190 x 1/4" 150 290 170 Rd 190 x 1/4"
Pic. 3-2 Connection Variants Male/Liner with Nut, Liner with Nut/Liner with Nut
E
D1
L
L1
E
D1
L
L1
E
DIN Connection Variants
DIN – male/liner with nut DIN – liner with nut/liner with nut

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Inline Sight Glass Operating Instructions
DN D1 D2 L L1 DN D1 D2 L
1" 22.9 28 96 70 1" 22.5 25 98
1 1/4" 29.3 35 102 70 1 1/2" 35.5 38 112
1 1/2" 35.1 41 110 70 2" 48.5 51 112
2" 47. 8 54 110 70 2 1/2" 60.5 63.5 124
2 1/2" 60.5 68 124 85 3" 72.9 76.1 131
3" 72.1 78 132 85 4"/104 100 104 169
4" 97. 6 104 167 115
Pic. 3-3 Connection Variants Inch Weldon Ends, SMS Weldon Ends
14
D2
D1
L
L1
D2
D1
L
Inch, SMS Connection Variants
Inch – weldon ends SMS – weldon ends

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Operating Instructions
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3.3 General Data
HAZARD
AWH inline sight glasses must only be operated with the safety screen in place.
Otherwise there is an injury “HAZARD” from broken glass if the cylinder is faulty.
Max. permissible operating temperature: 80°C (depends on sealing material and medium)
Max. permissible operating pressures:
DN 10
1/2"
15 20 25
1"
32
1 1/4"
40
1 1/2"
50
2" 2 1/2"
65
3"
80 100
4"
125 150
PN (bar) 10 98777

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Inline Sight Glass Operating Instructions
4. Safety / Hazards
4.1 Notes / Explanations
HAZARD
“HAZARD” warns of hazardous situations. Avoid these hazardous situations.
Failure to do so could result in death or serious injury.
WARNING
“WARNING” warns of hazardous situations.
Avoid these hazardous situations.
Failure to do so could result in death or serious injury.
CAUTION
“CAUTION” combined with a warning symbol indicates hazardous situations.
Avoid these hazardous situations.
Failure to do so could result in minor injury.
Note
“NOTE” indicates recommended actions. Failure to comply with these will not
result in personal injury. However, follow the recommended actions to avoid
damage to property and trouble.
Note
The installation instructions are binding;
indicated by a book symbol.
HAZARD
This symbol indicates crushing hazards.
HAZARD
This symbol indicates a risk of burning.
Note
Environment symbol
Indicates environmental protection measures.
16

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4.2 Labelling the Inline Sight Glass
The information in these operating instructions only applies to the inline sight glass of the type and
version speci ed on the title page.
If you have any queries, specify the following correctly:
- the nominal width
- the sealing material
- the housing material
This is the only way to ensure ef cient, quick processing.
4.3 Safety Measures (to be carried out by operator)
Note that
- The operator is responsible for training its operating and maintenance personnel and monitoring
compliance with safety measures, including the obligation to wear personal protective equipment.
- The operator shall ensure that unauthorised persons (not operating or maintenance personnel) are
prevented from entering the hazardous area of the machine (in which the inline sight glass is installed).
- The inline sight glass may only be installed or serviced if the pipelines have been previously drained.
- The separation of energy sources shall be designed technically to enable compliance with the shut-
down procedures described in section 5.4.
These operating instructions shall be retained for future use.
They must be available in the vicinity of the system in which the inline sight glass is installed.
The frequency of inspections and monitoring measures shall be observed.
The work described in the sections on transport, installation, assembly, maintenance, malfunction /
cause / remedy shall only be carried out by experts.
Expert
A person with appropriate training, suitable instruction and experience who is in a position to identify
risks and avoid hazards.
4.4 Operator's Duties
Note
In the EEA (European Economic Area), the national implementations of the frame-
work directive (89/391/EEA) and the associated individual directives, especially
the directive (2009/104/EC) on the minimum speci cations for safety and health
protection of employees using work equipment, shall be observed and complied
with in their current valid versions. In Germany, the 2011 Ordinance on Industrial
Safety and Health (BetrSichV) shall be observed.

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The operator shall comply with local statutory provisions for:
- safety of personnel (accident prevention regulations),
- safety of work equipment (protective equipment and maintenance),
- disposal of products (waste management laws),
- disposal of materials (waste management laws),
- cleaning (cleaning agents and disposal) and
- environmental protection requirements.
- The installer/operator shall ensure that all  ange or pipe unions are leak-proof.
- Tensile and compression stresses shall be ruled out after installation in the pipeline.
In addition, the operator shall ensure
- When using hazardous materials, protective measures shall be speci ed in accordance with the safety
data sheets and operating instructions shall be compiled for hazardous materials. Personnel shall be
instructed in this  eld. This also applies to hazardous materials that could be produced in the operating
process.
- A continuous risk assessment shall be carried out for workplaces, including temperature conditions for
the medium and the place of use (falling). The measures shall be recorded in operating instructions
and personnel shall be instructed accordingly.
- Supervisors shall monitor compliance with the measures speci ed in the operating instructions.
- Training of operating personnel shall be ensured.
- Wherever large pneumatic pressures occur, there is a possibility of sudden failure of or damage to the
lines and connectors. This poses a hazard.
- The installer of the overall system shall install and provide certi cation for the control units and safety
equipment needed for setting up, checking, shutting down (including emergency shutdown), operating,
maintaining, cleaning and repairing the system.
- The operator shall provide technical  re protection equipment, such as appropriate hand  re extin-
guishers, in suf cient quantities and dimensions at easily accessible points and shall instruct employees
in  re safety.
- Warnings from the documentation for supplied assemblies shall be observed and integrated in the
workplace-speci c risk assessments.
- The operator is obliged to operate the inline sight glass in perfect condition at all times.
Connections
Before operating the plant/machine with the inline sight glass, the operator shall ensure that the local
speci cations were followed during assembly and commissioning, if these were carried out by the operator.
Note
Illumination level
The operator shall ensure suf cient and consistent illumination in all areas of
the plant. We recommend an illumination level of 300 lux (maintenance value;
ASR 7/3 applies in Germany).
Note
In accordance with the Ordinance on Industrial Safety and Health (BetrSichV), the
operator shall provide its personnel with safety instruction at least once a year.

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Operating Instructions
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5. Hazard Warnings
Attention must be paid to the safety systems and safety information described in these operating in-
structions. Operation is performed by the control room of the higher-level system or by the local control
point.
CAUTION
The inline sight glasses and the length and quality of lines must meet the require-
ments. The system shall be assembled by qualied experts. The parameters listed
in the data sheet must be complied with.
HAZARD
There is a risk of burning during operation or maintenance if ow media have
temperatures over 60°C.
HAZARD
AWH inline sight glasses must only be operated with the safety screen in place.
You can nd the appropriate items on the product pages of the current AWH
“Strainers and Sight Glasses” catalogue
HAZARD
Operate the inline sight glass only at the permissible pressures and tempera-
tures. There is a HAZARD if limits are exceeded or if temperatures change rapidly.
Destruction of the glass cylinder could cause splinters and shards of glass to y
around and hot medium to escape. This could result in serious cut injuries and
burns.
5.2 Hazardous Area of the Inline Sight Glass
The area of the inline sight glass shall be kept accessible to the operator.
CAUTION
The hazardous area during setup, maintenance and repair work extends to 1 m
around the inline sight glass. Take into consideration the swing range of any
switch cabinet doors that can open. The operator shall ensure that persons are
prevented from entering the hazardous area during motion sequences.
5.1 Hazards

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5.3 Installing Replacement Parts and Wearing Parts
We expressly draw attention to the fact that replacement and accessory parts not supplied by AWH
have not been checked or approved by AWH. Installing and/or using this type of product can therefore
negatively alter the structural properties of your plant, under certain circumstances. Armaturenwerk
Hötensleben GmbH bears no liability for damages caused by using non-original parts and non-original
accessory parts.
5.4 Shutdown Procedures
WARNING
Before cleaning, maintenance or repair work is carried out (by experts only), the
following shutdown procedure must always be completed.
1. Switch off power to higher-level plant/machine/device.
2. Seal off the pneumatics
- Close shut-off valve.
- Check that the system is non-pressurised.
- Secure the shut-off valve against opening.
3. Shut off the ow of media, relieve the pressure in the pipelines and then drain
them (take particular care with hazardous materials). Check that an inow of
media is prevented and insert dummy discs if necessary. Note that if the media
temperatures exceed 60°C, a cooling off phase must be observed.
Failure to do so could endanger the life and health of personnel.

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Operating Instructions
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6. Installation
6.1 Scope of Delivery
Note
The detailed scope of delivery can be seen in the order con rmation.
6.2 Transport and Packaging
Products from Armaturenwerk Hötensleben GmbH is carefully checked and packed before shipping,
however the product may become damaged during transport.
6.2.1 Delivery (including for spare and replacement parts)
Unpacking
- Remove the protective caps from the pipe connections (if present).
- Remove the packaging residue.
Incoming goods check
- Check that the product was delivered in full against the delivery note!
In the event of damage
- Check the delivery for damage (visual inspection)!
In the event of complaints
If the delivery was damaged during transport:
- Contact the last shipment agent immediately!
- Retain the packaging (for possible checking by the shipment agent or for a return delivery).
Packaging for return delivery
If possible, use the original packaging and the original packaging material.
If neither is available any more, request a packaging company with experts.
If there are any questions about the packaging and transport safety equipment, please contact
Armaturenwerk Hötensleben GmbH.
6.2.2 Temporary Storage
Store in an enclosed room
Storage conditions
- temperature 10°C to 45°C
- humidity < 60%

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6.3 Installation
Note
The inline sight glass is installed in accordance with the structural layout of the
pipeline system and the technical data for the connection variants.
See the dimensional drawings for the installation dimensions. Ensure suf cient
space is available for operation and maintenance.
Make sure that the  ange connections and pipe unions are leak-proof. Tensile
and compression stresses shall be ruled out after installation.
6.3.1 Installing the Inline Sight Glass with Male/Male, Liner/Liner, Male/Liner
When installing the inline sight glass, ensure that the connectors and slotted nut conform to the same
standard (e.g. DIN 11851 or DIN 11864).
Before assembly, check the seal ring on the threaded connector for damage and to ensure that it is
installed in the correct position. Replace if necessary.
The thread must not be damaged when installing!
The inline sight glass is fastened using the slotted nut and a slotted nut spanner.
6.3.2 Installing the Inline Sight Glass with Weldon Ends
Welding guidelines
Welding shall be carried out in pipes conforming to DIN 11850 series 2, DIN 11866 series A and C,
SMS standard (France)
Welding method: TIG or orbital welding
Seam type: butt weld joins as per DIN EN 29692
Installed condition
The inline sight glass must be uninstalled before welding (see section on assembly / disassembly).
Weld seam preparation
- Cut the ends of the pipes level and right-angled.
- Remove burrs from the interfaces.
- Align the housing weldon ends with the pipeline so they are level radially and axially.
The weldon ends must  t  ush and be welded without a gap.
HAZARD
“HAZARD” Make sure that the sight glass can be installed and removed undam-
aged, without breakage, cracks or dents, and without tension or stress. A dam-
aged sight glass may break causing serious injuries and damage to property.
Tensile and compression stresses shall be ruled out after installation.

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Inline Sight Glass
Operating Instructions
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Note
When welding in place, make sure that the screw holes in the  anges line up
(Pic. 7-1, item 7).
Filler materials
Welding
- Connect forming gas before welding.
- Af x 3 to 4 tack welds before welding.
Weld after-treatment
- No treatment is necessary on the interior after welding.
Accessible points can be improved by grinding.
- The exterior can be treated afterwards by staining, brushing, grinding and polishing.
Cleaning
- Clean all welded parts before assembly.
Base material Suitable  ller material
1.4301 1.4302, 1.4316, 1.4551
1.4404 1.4430, 1.4455, 1.4576
1.4435 1.4430, 1.4440