Flowserve Vogt Forged Steel Gate User Manual
Page 3

Flow Control
Vogt Valves
FCD VVENIM2000-02
Forged Steel Gate, Globe and Check Valves
3
1 Recommended Spare Parts for Flowserve Vogt Valves
7
1.1 Packing and Gaskets
7
1.2 Bonnet Replacement Assemblies
10
2 Valve Selection
11
2.1 Introduction
11
2.2 Gate Valve Limitations
12
2.3 Globe Valve Limitations
12
2.4 Check Valve Limitations
12
2.5 Pressure/Temperature Rating
12
2.6 Bending Strength
12
2.7 Fire Safety
13
2.8 Pressure Surge
13
2.9 Throttling Service
13
2.10 Temperature Changes
13
2.11 Trapped Pressure
14
2.12 Material Compatibility
14
2.13 Operating Effort
14
3 Shipping And Storage
15
3.1 Introduction
15
3.2 Handling
15
3.3 Storage – Short Term Recommendations
16
3.4 Storage – Long Term Recommendations
16
4 Installation
17
4.1 Introduction
(1)
17
4.2 Inspection
17
4.3 Valve Identification
18
4.4 Threaded Valve – Pipe Assembly
18
4.5 Flanged Joint Assembly
18
4.6 Weld Joint Assembly
19
4.7 Recommendations for Field Welding
of Small Carbon Steel Socket Weld Valves
20
4.8 Recommendations for Field Welding
of Small Alloy Steel Socket Weld Valves
20
4.9 Recommendations for Field Welding
of Small Stainless Steel Socket Weld Valves
21
4.10 Postweld Heat Treat (PWHT) Recommendations
22
4.11 Testing and Adjustment
24
Table of Contents