Specification :

Cast Iron Wafer Type Check Valve

Material:

The body material: GG25/ GGG40/ GGG50
The disc material: DI/ SS304/ SS316/ AL-BZ
The stem material: SS410/ SS416/ SS420/ SS304/ SS316
The seat material: NBR/ EPDM/ VITON

Design Standard

API 609/ ISO 5752/ BS5155

Flange Standard

ANSI 125# / 150# ; JIS5K/ 10K/ 16K; DIN 2501 PN6/ PN10/ PN16/ ; BS4504 PN10/ PN16

Usage

They are used for pipe of transporting water with such medium as water sewage and seawater.It can avoid media flowing backwards and prevent damaging water hammer, guarantee the safety using of pipes.

Features:

The products are new structure .small and light weight
Reliable sealed, endurable open-close, erar-resisting, long life.
With less flowing resistance than old check valve and obvious enerfy-saving effects.