Reliable Sealed DI / SS304 Cast Iron Wafer Duo Check Valve for Pipe API 609 / ISO 5752

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.