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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
Product details
Type PN(MPa) Test pressure PN(MPa) Working temperature£¨¡æ £© Applicable medium
shell body Tight seal
H77X
H77H
H77Y
H77W		 1 1.5 1.1 Soft seal:£¼80
Hard seal:£¼450		 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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