GB Standard Butt Weld Cast Steel Pressure Seal Swing Check Valve (GAH64Y)
Standard Compliance.
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Design & manufacture | Face to face length | Pressure-Temperature | Test & Inspection |
E101,JB/T 3595,DL.T531 | E101,JB2766,GB/T 15118.1 | E101,JB/T3595 | E101,JB/T9092 |
Pressure Test.
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Type | Nominal Pressure | Shell Test(MPa) | Seal Test(MPa) |
H61Y | 25.0 | 37.5 | 27.5 |
H64Y-320 | 32.0 | 48.0 | 35.2 |
H64Y-P54 140V | P54 140V | 42.0 | 15.4 |
H64Y-P54 170V | P54 170V | 48.0 | 18.7 |
H64Y-P57 170V | P57 170V | 63.0 | 18.7 |
Main Parts and Material.
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Body | Bonnet | Disc,Seat | Sealing ring | Applicalbe Temperature | Suitable medium |
WCB | 25 | 25/STL | Graphite+F304 | ≤425°C | Water,steam,oil |
12CrMoV | 12CrMoV | 12CrMoV/STL | ≤550°C | ||
WC6 | 12CrMoV | 12CrMoV/STL | |||
WC9 | 12CrMoV | 12CrMoV/STL |
Main External Dimensions.
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Type | d | L | H |
H64Y-250 H64Y-320 H64Y-P54 140V H64Y-P54 170V H64Y-P57 170V |
65 | 330 | 228 |
80 | 368 | 229 | |
100 | 457 | 261 | |
125 | 483 | 333 | |
150 | 559 | 387 | |
200 | 650 | 468 | |
225 | 750 | 484 | |
250 | 800 | 530 | |
300 | 850 | 615 | |
350 | 900 | 680 | |
400 | 950 | 700 | |
450 | 1000 | 715 |
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Centerless ground shank for exact fit
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