Gemü 674 Original Einbau- Und Montageanleitung Seite 18

Contents
1 General information
2 General safety information
2.1 Information for service
and operating personnel
2.2 Warning notes
2.3 Symbols used
3 Defi nition of terms
4 Intended area of use
5 Condition as supplied
to customer
6 Technical data
6.1 Technical data GEMÜ 674
6.2 Technical data GEMÜ 675
7 Order data
7.1 Order data GEMÜ 674
7.2 Order data GEMÜ 675
8 Manufacturer's information
8.1 Transport
8.2 Delivery and performance
8.3 Storage
8.4 Tools required
9 Functional description
10 Construction
11 Installation and operation
11.1 Installing the diaphragm valve
11.2 Operation
12 Assembly / disassembly
of spare parts
12.1 Valve disassembly
(removing bonnet from body)
12.2 Removing the diaphragm
12.3 Mounting the diaphragm
12.3.1 General information
12.3.2 Mounting a concave diaphragm
12.3.3 Mounting a convex diaphragm
12.4 Bonnet mounting
on the valve body
13 Commissioning
14 Inspection and servicing
15 Disassembly
16 Disposal
17 Returns
18 Information
19 Troubleshooting /
Fault clearance
20 Sectional drawings
and spare parts
21 EC Declaration of conformity
674, 675
1 General information
Prerequisites to ensure that the GEMÜ valve
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functions correctly:
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Correct transport and storage

Installation and commissioning by trained
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personnel
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Operation according to these installation,
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operating and maintenance instructions
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Recommended maintenance
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Correct installation, operation, servicing and
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repair work ensure faultless diaphragm valve
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operation.
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The descriptions and instructions
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apply to the standard versions.
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For special versions not described
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in these installation, operating
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and maintenance instructions the
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basic information contained herein
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applies in combination with any
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additional special documentation.
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All rights including copyright
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and industrial property rights are
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expressly reserved.
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2 General safety information
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The safety information does not take into
account:
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Unexpected incidents and events, which

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may occur during installation, operation
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and servicing.
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Local safety regulations which must be

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adhered to by the operator and by any
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additional installation personnel.
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