Sera 620.D, Operating Instructions Manual

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Diaphragm Pressure Keeping Valve
Operating Instructions
2 www.sera-web.com
Technical modifications reserved!
TA 49 Rev. 13 en 05/2016
Table of contents
1 General ................................................................... 3
2 Types ...................................................................... 3
2.1 Type plate ............................................................... 3
2.2 Materials ................................................................. 4
3 Safety instructions .................................................. 4
3.1 Quality instructions / purpose .................................. 4
3.2 Marking of notes ..................................................... 4
3.2.1 Marking of notes in these operating instructions ............ 4
3.2.2 Marking of notes on the product ..................................... 4
3.3 Dangers in case of inobservance of the safety
instructions ............................................................. 4
3.4 Safety conscious working ........................................ 4
3.5 Intended use ........................................................... 5
3.6 Approved installation-, maintenance and operating
personnel ................................................................ 5
3.7 Personal protection for maintenance and service .... 5
4 Areas of application and function ............................ 6
5 Test / identification .................................................. 6
6 Checking the packaging at the place of destination . 6
7 Storage ................................................................... 6
8 Technical specifications .......................................... 7
8.1 Dimensions of the diaphragm pressure keeping
valve ....................................................................... 7
8.1.1 PP-, PVC-, PVDF-, PP-GFK-, PVDF-GFK-design ......... 7
8.1.2 1.4581-design ................................................................. 8
8.1.3 GG-, GG-rubber-coated, 1.4581-design ........................ 9
8.2 Technical specifications ........................................ 10
9 Installation ............................................................ 10
9.1 Outlet line ............................................................. 11
10 Start-up ................................................................. 11
11 Adjustment ............................................................ 12
12 Operation in explosion-hazardous areas ............... 12
13 Spare- and wearing parts ...................................... 12
13.1 Spare- and wearing parts kit .................................. 13
14 Changing the diaphragm ....................................... 15
14.1 General ................................................................. 15
14.2 Changing the diaphragm ....................................... 15
15 Shut-down ............................................................. 16
16 Disposal ................................................................ 16
16.1 Dismantling and transport ...................................... 16
16.2 Complete disposal ................................................. 16
17 Clearance Certificate ............................................. 17