ITT Engineered Valves 903, Инструкция по установке, эксплуатации и обслуживанию

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Table of Contents
1 Introduction and Safety ....................................................................................................................................2
1.1 Safety message levels ..............................................................................................................................2
1.2 User health and safety ..............................................................................................................................2
2 Transportation and storage..............................................................................................................................5
2.1 Handling and unpacking guidelines...........................................................................................................5
2.2 Storage, disposal, and return requirements .............................................................................................. 5
3 Product Description ..........................................................................................................................................6
3.1 Topworks identification ..............................................................................................................................6
3.2 Bonnet description.....................................................................................................................................6
3.3 Valve diaphragm identification...................................................................................................................6
4 Installation..........................................................................................................................................................8
4.1 Install the valve and topworks ...................................................................................................................8
4.2 Tighten the bonnet fasteners.....................................................................................................................8
4.2.1 Fastener torque table for valve body to topworks ........................................................................... 9
4.3 Set the travel stop ...................................................................................................................................10
5 Operation.......................................................................................................................................................... 11
5.1 Topworks operation ................................................................................................................................. 11
5.2 Operate the Adjustable Open Stop ......................................................................................................... 11
6 Maintenance.....................................................................................................................................................13
6.1 Precautions .............................................................................................................................................13
6.2 Inspection ................................................................................................................................................13
6.3 Lubrication requirements.........................................................................................................................13
6.4 Disassemble the valve ............................................................................................................................14
6.5 Replace the valve diaphragm..................................................................................................................14
6.6 Change the diaphragm type ....................................................................................................................16
6.7 Replace the o-rings .................................................................................................................................16
7 Parts Listing and Cross-Sectional Drawings................................................................................................ 19
7.1 963 PAS plastic bonnet ...........................................................................................................................19
Table of Contents
Handwheel Operated Valves (903, 913, 963) Installation, Operation, and Maintenance Manual 1