Wafer Type Dual-Door Check Valve

Features:

1.       Short in length, and easy to install.

2.       Small and light, tightly sealed, easy in maintenance.

3.       Two torsion springs are used excreting on each of the pair valve plates. When closed the plates quickly and automatically.

4.       The quick-close action prevent the medium from flowing back and reduce water hammer pressure.

5.       Can be installed both horizontally and vertical descending on pipeline.

6.       Safe and reliable in operation, high interference-resistance.

Material:

The body material: Cast Iron/Ductile Iron/Carbon Steel/CF8/CF8M

The disc material :DI/SS316/SS304/AL-BZ

The stem material:SS410/SS416/SS304/SS316

The seat material:NBR/EPDM/VITON

The spring material: stainless steel

Size: DN40-DN600

Design and Manufacture：BS5153, EN12334

Test and inspection: DIN3230 Part3, API598, EN12266-1

Flange Connection：

ASME B16.1 125LB/150LB;  JISB222010K;  DIN 2501PN10/PN16/;  BS4504 PN10/PN16

Medium: water, oil, gas and so on

Suitable temperature: 0-160℃

Working pressure: 10bar/16bar

Test pressure:

Shell 15bar/17.6bar

Seal 11bar/24bar