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Full rubber lined desulfurization check valve
Product model: H77X
Nominal diameter: DN40~800mm
Nominal pressure: PN1.0 ~ 2.5mpa
Applicable medium: water, gas, oil, nitric acid, etc
Design standard: JB/ t8527-97
Test standard: GB/ t13927-92
Long structural compliance: GB/ t12221-1989, iso5752-8
Nominal diameter: DN40~800mm
Nominal pressure: PN1.0 ~ 2.5mpa
Applicable medium: water, gas, oil, nitric acid, etc
Design standard: JB/ t8527-97
Test standard: GB/ t13927-92
Long structural compliance: GB/ t12221-1989, iso5752-8
Product details
| Type | PN(MPa) | Test pressure PN(MPa) | Working temperature （℃ ） | Applicable medium | |
| shell body | Tight seal | ||||
|
H77X H77H H77Y H77W |
1 | 1.5 | 1.1 |
Soft seal:＜80 Hard seal:＜450 |
Water, gas, oil, nitric acid, etc |
| 1.6 | 2.4 | 1.76 | |||
| 2.5 | 3.75 | 2.75 | |||
| 4 | 6 | 4.4 | |||
| 6.4 | 9.6 | 7 | |||
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