Model No.: Z41H
1) Construction features:
Bolted or welded bonnet, OS&Y,
Threaded ends or sw ends, rising stem, or rolled-in seat ring
2) Standard compliance:
A) End threads: ANSI B1.20.1
B) Socket-weld: ANSI B16.11
C) Basic design: API 602
D) Test: API 598.
1. BB - Bolted bonnet
2. OS&Y - outside screw and yoke
3. Bolted Gland
4. Metal-graphite Spiral wound gasket between the Bonnet & Body
5. Graphite stem packing
6. Socket welding: ANSI B16.11
Screw ends: ANSI B1.20.1
Butt welding: ANSI B16.25
7. Forged Steel Gate Valves conform to API 602, BS5352 and ASME B 16.34.
Each valve is inspected and tested in accordance with API 598, and marked per MSS SP25.
8. Main materials: A105, LF2, F5, F22, F304, F316, F347, F321, F51, Monel, 20# Alloy
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|Design||ASME B16.34, API6D|
|Fire safe||API 607|
|Anti static||API 608, API6D|
|Face to face||ASME B16.10, API6D|
|Welding ends||ASME B16.25|
|Inspection and test||API 598, API 6D|