1 General information
Prerequisites to ensure that the GEMÜ valve
functions correctly:
Correct transport and storage
Installation and commissioning by trained
personnel
Operation according to these installation,
operating and maintenance instructions
Recommended maintenance
Correct installation, operation, maintenance
and repair work ensure faultless diaphragm
valve operation.
The descriptions and instructions
apply to the standard versions.
For special versions not described
in these installation, operating
and maintenance instructions the
basic information contained herein
applies in combination with any
additional special documentation.
All rights including copyrights
or industrial property rights are
expressly reserved.
2 General safety information
The safety information does not take into
account:
Unexpected incidents and events, which
may occur during installation, operation
and maintenance.
Local safety regulations which must be
adhered to by the operator and by any
additional installation personnel.
Contents
1 General information 27
2 General safety information 27
2.1 Information for service and
operating personnel 28
2.2 Warning notes 28
2.3 Symbols used 28
3 Defi nition of terms 29
4 Intended area of use 29
5 Technical data 29
6 Order data (2/2-way valves) 33
7 Manufacturer's information 35
7.1 Transport 35
7.2 Delivery and performance 35
7.3 Storage 35
7.4 Tools required 35
8 Functional description 35
9 Construction 35
9.1 Product label 36
10 Installation and operation 36
10.1 Installing the diaphragm valve 36
10.2 Control functions 37
10.3 Connecting the control medium 38
10.4 Optical position indicator 38
11 Fitting/removing spare parts 39
11.1 Valve disassembly
(removing actuator from body) 39
11.2 Removing the diaphragm 39
11.3 Mounting the diaphragm 39
11.3.1 General information 39
11.3.2 Mounting a
concave diaphragm 41
11.3.3 Mounting a
convex diaphragm 42
11.4 Actuator mounting on the
valve body 42
12 Commissioning 43
13 Inspection and maintenance 43
14 Cleaning and sterilization 44
15 Disassembly 44
16 Disposal 44
17 Returns 44
18 Information 44
19 Troubleshooting /
Fault clearance 45
20 Sectional drawings and
spare parts 46
21 Declaration of Incorporation 50
22 EU Declaration of Conformity 51
27 / 52
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