Flowserve 50165 Nordstrom Figure - Manual (Page 3)

Nordstrom Figure 50165 and 50169 Dynamic Balance Iron Plug Valve FCD NVENIM2006-00 – 09/05
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5 Dynamic Balance Iron Plug Valve Maintenance 18
Notice 18
Economics of Valve Repair 18
Customer Service 19
Field Service 19
Video Tapes 19
When You Call or Write... 20
Introduction 20
Basic Construction Principles 20
Sealant System 21
Design Features 22
Valve Front Identification 22
Gearing 22
Sealants 23
VXX Valve Purge 23
Sealant Injection Equipment 24
Valve Maintenance 24
Basic Sealant Injection 24
Valve Maintenance: Troubleshooting 26
Detail Sketch: Stem End Detail – Wrench Operated Valve 34
Detail Sketch: Stem End Detail – Gear Operated Valve 35
Detail Sketch: Cover End Detail – Ball Seat Arrangement 36
Technical Data: Procedure for Tightening Cap Screws 37