Flowserve Vogt Forged Steel Gate User 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