653, 654
2 / 28
20 Troubleshooting
/
Fault clearance
25
21 Sectional
drawing
and spare parts
26
22
EC Declaration of Conformity 27
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, servicing and
repair work ensure faultless 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 copyright
and 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 servicing.
Local safety regulations which must be
adhered to by the operator and by any
additional installation personnel.
Contents
1 General
information
2
2
General safety information
2
2.1
Information for service and
operating
personnel
2
2.2 Warning
notes
3
2.3 Symbols
used
3
3 De
fi
nition of terms
4
4
Intended area of use
4
5
Condition as supplied
to customer
4
6 Technical
data
4
7 Order
data
6
8 Manufacturer’s
information 9
8.1 Transport
9
8.2
Delivery and performance
9
8.3 Storage
9
8.4 Tools
required
9
9 Functional
description
9
10 Construction
9
11
Installation and operation
10
11.1 Installing the diaphragm valve
10
11.2 Operation
11
11.3 Setting the seal adjuster
and the stroke limiter
12
12
Assembly / disassembly
of spare parts
15
12.1 Valve
disassembly
(removing bonnet from body)
15
12.2 Removing the diaphragm
15
12.3 Mounting the diaphragm
15
12.3.1 General information
15
12.3.2 Mounting a concave diaphragm 18
12.3.3 Mounting a convex diaphragm
19
12.4 Bonnet
mounting
on the valve body
19
13 Special
versions
20
13.1 Special version with
electrical locking device
20
13.2 Special version with
mechanical locking device
20
13.3 Special version for mounting
of proximity switches
21
14
Commissioning
23
15
Inspection and servicing
23
16 Disassembly
24
17 Disposal
24
18 Returns
24
19 Information
24