Products usage:
H74 type wafer check valve, with single disc and swing structure, this item ias also named single plate check valve, thin type wafer check valve. It is widely used in many piplines to prevent medium back-going. It can be suit for several medium by changing body material.

Features:
1)Short structrual.
2)Little volume, light weight.
3)Quick opration, low water hammer pressure.
4)Easily instaled for vertical or horizontal pipline.
5)Flexible action and good sealing perfomance.
6)Long service life and good reliability.

Specifications:
Dimension: 2" to 40"
Pressure rating: Class 150LB, 300LB, 600LB, 900LB
Body material: Casting steel, Stainless steel

Productt Standard:
Design and Manufacture: API6594, API6D, GB
Face to face: API594, API6D, GB
Inspection and test: API598

Productt Standard:
Design and Manufacture: API6594, API6D, GB
Face to face: API594, API6D, GB
Inspection and test: API598