PRODUCTS
CHECK VALVE
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Performance parameter | |||||||||
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Model | Nominal pressure(MPa) | Test pressure(Mpa) | Working temperature(℃) |
Applicable medium | |||||
Body | Sealing | ||||||||
H77X H77H H77Y H77W |
1.0 | 1.5 | 1.1 | Soft seal: < 80 Hard seal: < 450 |
Water,gas,oil, nitricacid etc. |
||||
1.6 | 2.4 | 1.76 | |||||||
2.5 | 3.75 | 2.75 | |||||||
4.0 | 6.0 | 4.4 | |||||||
6.4 | 9.6 | 7.0 |
Outline size | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nominal diameter( mm ) |
L | D2 | D3 | Nominal diameter( mm ) |
L | D2 | D3 | ||||||
H77X | H77H H77Y H77W |
H77X | H77H H77Y H77W |
||||||||||
50 | 43 | 100 | 43 | 46 | 400 | 140 | 485 | 376 | 390 | ||||
80 | 64 | 135 | 71 | 80 | 450 | 152 | 545 | 427 | 427 | ||||
100 | 64 | 155 | 91.5 | 94 | 500 | 152 | 608 | 479 | 490 |
The material of main spare parts | |||||||||
---|---|---|---|---|---|---|---|---|---|
Spart part name | Material | ||||||||
H77X-10C、25 16、40 |
H77H-16C、40 25/64 |
H77Y-25I 64I 40I |
H77W-16C、25 25C、40 |
H77W-10P、25P 16P、40P |
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Valve body、 butterfly plate | Cast steel | Chromium, molybdenum, steel |
Cast steel | 1Cr18Ni9Ti | |||||
Valve stem | 2Cr13 | 1Cr18Ni9Ti | 2Cr13 | ||||||
Valve body's seal ring | Surfacing alloyed welding | Surfacing hard alloyed welding |
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Spring | 1Cr18Ni9Ti | Heat-resisting alloy | 1Cr18Ni9Ti |