18.4.
17
Modulating Valves Type: VSR
List of contents
2
Availability and Completeness
These operating instructions constitute part of the valve delivery and must be kept available so that they can be referred to by authorised per-
sonnel at any time. No sections may be removed from these instructions. Should the operating instructions or individual pages be missing,
they must be replaced at once.
Change Service
This documentation is subject to the Change Service of Guth Ventiltechnik GmbH.
Changes may be made to this documentation without notice of such changes
being given.
Copyright
This documentation contains information that is protected by copyright. It may only
be used in connection with the use of the valve.
Guth Ventiltechnik GmbH
Horstring 16
D - 76829 Landau
+49 (0) 6341 5105-0
Fax: +49 (0) 6341 5105-85
www.guth-vt.de
List of contents ....................................................................................................................... 2
1.
General informations ............................................................................................................... 3
1.1
Intended use ................................................................................................................ 3
1.2
Notes on the guarantee ............................................................................................... 3
1.3
Safety instructions........................................................................................................ 3
1.4
Danger symbols ........................................................................................................... 4
2.
Technical Data ........................................................................................................................ 5
2.1
General description ...................................................................................................... 5
2.2
Design of the valve ...................................................................................................... 5
2.3
Variants........................................................................................................................ 6
2.4
Housing variants .......................................................................................................... 6
2.5
Lantern variants ........................................................................................................... 6
2.6
Actuator variants .......................................................................................................... 6
2.7
Controller variants........................................................................................................ 6
2.8
Valve variants .............................................................................................................. 7
3.
Functional description ............................................................................................................. 9
4.
Installation of the Modulating valve ....................................................................................... 10
4.1
Installation space ....................................................................................................... 10
4.2
Installation of the fitting .............................................................................................. 10
4.3
Pipe connections........................................................................................................ 10
4.4
Welding seam preparation ......................................................................................... 11
4.5
Pneumtatic connection............................................................................................... 11
4.6
Electrical connection .................................................................................................. 11
5.
Commisioning........................................................................................................................ 12
6.
Changes to the Modulating valve .......................................................................................... 12
6.1
Changing the Kvs Value and the Flow Rate Curve.................................................... 12
6.2
Changing the Effective Direction of the Diaphragm Actuator..................................... 13
7.
Maintenance and repairs....................................................................................................... 14
7.1
Inspection................................................................................................................... 14
7.2
Replacing the Cone-Seat Assembly .......................................................................... 14
7.3
Replacing the Seals ................................................................................................... 15
7.4
Setting the Spindle, Coupling and Diaphragm Actuator............................................. 17
7.5
Lubrication and Maintenance Schedule ..................................................................... 18
7.6
Valve designation....................................................................................................... 18
7.7
Cleaning and care...................................................................................................... 19
8.
Malfunctions ......................................................................................................................... 20
8.1
Mechanical valve defects (Mechanic) ........................................................................ 20
8.2
Defects on the actuator.............................................................................................. 21
9.
Transport, Packaging and Disposal ...................................................................................... 23
9.1
Transport and Packaging........................................................................................... 23
9.2
Disposal ..................................................................................................................... 23
10. Data sheet for GUTH Modulating valves............................................................................... 24
10.1
Spring-to-close, Valve model series Type L............................................................... 24
10.2
Air-to-close (Air pressure 6bar) Valve Model Series Type L ...................................... 25
11. Technical Information ............................................................................................................ 26
11.1
Fields of application and materials............................................................................. 26
11.2
Tightening torques ..................................................................................................... 26
12. Konformitätserklärung / Declaration of Conformity / Deklaracja zgodno?ci ......................... 27
L i s t o f c o n t e n t s
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