800 Series 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

Product Introduction

Available in size 2” through 24” Only fully elastomer lined check valve available. Buble-tight shut off from 25 to 150 psi.Lower minimum pressure available elastomers; Wide range of available elastomers; Buna-N or EPDM standard. Check valves compatible with ANSI B16.1 CLASS 125(iron) or B16.5 CLASS 150(steel) flange. 2”-12”compatible with PN10 PN16 and universal flange。 Use of dual springs distributes the load force evenly across each plate,resulting in quick response to flow reversal.