Size: NPS 2"~48"
Rating: Class150~2500
Material: WCB, LCB, LCC, WC6, WC9, CF8, CF8M, CF3, CF3M, 4A, 5A
A105, LF2, F11, F22, F304, F316, F304L, F316L, F51, F53
Design and manufacture standards: API 6D, BS 5351, API 608, ASME B16.34
Face to face standards: ASME B16.10, API 6D, DIN 3202,
Connections standards: ASME B16.5, ASME B16.25, ASME B16.47, DIN 2501, BS 4504
Test standards: API 598, AP16D, BS 6755, ISO 5208
Z41WAPI Flanged gate valve | |||||||
Pressure LB | Strength Test | Water seal test | Air seal test | ||||
Map | Lbf/in2 | Map | Lbf/in2 | Map | Lbf/in2 | ||
150 | 3.1 | 450 | 2.2 | 315 | 0.5~0.7 | 60~100 | |
300 | 7.8 | 1125 | 5.6 | 815 | |||
600 | 15.3 | 2225 | 11.2 | 1630 | |||
API Gate Valve Main material List
API flanged gate valve Z41W | ||||||
Body, Cap, Disc | WCB | ZG1Cr18Ni9Ti | SS 304 | SS304L | ZG1Cr18Ni12Mo2Ti | SS316 |
Seat face | Cr13 or Hard Alloy | Nominal W Hard Alloy Y | ||||
Stem, Internal Part | 2Cr13 | 1Cr18Ni9Ti | 0Cr19Ni9 SS304 | 00Cr19Ni11 SS304L | 1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2 SS316 |
Packing | Flexible Graphite | |||||
Gasket | Stainless steel spiral wound gasket | |||||
Medium | Water, Oil, Gas | Corrosion medium such as Nitric acid | strong oxidizing property | Corrosion medium such as Acetic acid | ||
Temperature | -29~425 ℃ | -40~500C | ||||
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