Flowserve Vogt Forged Steel Gate - Manual (Page 4)

Flow Control
Vogt Valves
4 Forged Steel Gate, Globe and Check Valves FCD VVENIM2000-02
5 Operation and Maintenance 25
5.1 Introduction 25
5.2 Operation – Manual Valves 25
5.3 Operation – Power Actuated Valves 26
5.4 Fluid Dynamics of Shutoff Valve Operation 27
5.5 Check Valves 27
5.6 Noise 28
5.7 Maintenance 28
5.8 Valve Maintenance 29
5.9 Routine Inspection and Maintenance 30
5.10 Major Field Repair 30
5.11 Care and Maintenance of Vogt Forged Steel Valves 30
5.12 Detailed Packing Instructions 32
5.13 Fluoropolymer Packing Instructions 34
5.14 Vogt Valves Packed With Fluoropolymer
for High-Pressure Applications – Standard 35
5.15 For Vacuum Applications 35
5.16 For Combination Pressure/Vacuum Applications 35
5.17 Style C-VH Rings for High-Pressure Service 35
5.18 Disc and Seat 37
5.19 Gate Valve Maintenance 38
5.20 Globe Valve Maintenance 38
5.21 Check Valve Maintenance 40
5.22 Vogt Motor-Operated Valve (MOV)
Installation and Maintenance Instruction 42
5.23 Vogt Air-Operated Valve (AOV)
Installation and Maintenance Instruction 44
5.24 Vogt Valve Lubrication Points 46
5.25 Engineering Information 48
Table of Contents