handtmann 491 - Contents; Table of Contents

Contents
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DOUBLE-SEAT VALVE (Type 491)
BA 049100.06 EN 29.06.2016
0 Contents
0 Contents ........................................................................................................................................................... 4
1 Foreword .......................................................................................................................................................... 5
2 Safety ............................................................................................................................................................... 6
2.1 General Information .......................................................................................................................................... 6
2.2 Proper Application ............................................................................................................................................. 6
2.3 Improper Application ......................................................................................................................................... 6
2.4 The User's Duty to Exercise Diligence ................................................................................................................ 6
2.5 Symbols .............................................................................................................................................................. 7
2.6 Basic Safety Advice ............................................................................................................................................ 8
3 Delivery .......................................................................................................................................................... 10
3.1 Transport ......................................................................................................................................................... 10
3.2 Instructions for Delivery and Performance ...................................................................................................... 10
3.3 Storage Instructions ......................................................................................................................................... 10
3.4 Disposal of Packaging....................................................................................................................................... 10
4 Description of Function ................................................................................................................................... 11
4.1 Valve Types ...................................................................................................................................................... 11
4.1.1 Process Integration, Mechanical 13
4.1.2 Process Integration, Electrical 13
5 Technical Data ................................................................................................................................................ 14
6 Operation/ Use ............................................................................................................................................... 16
6.1 Valve Switching Functions ............................................................................................................................... 16
6.1.1 Production – Valve Closed 16
6.1.2 CIP or Production Valve Open 16
6.1.3 Cleaning – Balancer (B)
17
6.1.4 Cleaning – Leakage Chamber (L) 17
6.2 CIP Cleaning ..................................................................................................................................................... 18
6.3 Leakage Detection ........................................................................................................................................... 18
7 Installation and Commissioning ...................................................................................................................... 19
7.1 Installation of the Valve Housing ..................................................................................................................... 19
7.2 Installation of the Valve Inset .......................................................................................................................... 19
8 Disassembly/ Assembly .................................................................................................................................. 21
8.1 Disassembly of the Valve Inset ........................................................................................................................ 21
8.2 Disassembly of the Valve inset/Seat sealings .................................................................................................. 22
8.3 Disassembly of the Spring Closing Unit ............................................................................................................ 23
8.4 Auxiliary tools for Assembly / Disassembly ..................................................................................................... 24
8.5 Valve assembly ................................................................................................................................................ 25
9 Repair ............................................................................................................................................................. 26
10 Maintenance / Cleaning .................................................................................................................................. 28
10.1 Preparation for Maintenance .......................................................................................................................... 28
10.2 General Maintenance Intervals ....................................................................................................................... 28
10.3 Inspection Intervals.......................................................................................................................................... 29
10.4 Cleaning Parameters ........................................................................................................................................ 29
10.5 Seal change ...................................................................................................................................................... 29
10.6 Types of Seal .................................................................................................................................................... 30
10.7 Spare Parts List................................................................................................................................................. 31
11 Disposal .......................................................................................................................................................... 32
11.1 Disposal of Packaging....................................................................................................................................... 32
11.2 Disposal of the Valve Parts .............................................................................................................................. 32
12 Index ............................................................................................................................................................... 33