Series 800 Check Valve

1. Available in sizes 2"-24"

2. Only fully elastomer lined check valve available.

3. Bubble-tight shutoff from 25 tp 150 psi.Lower minimum oressure available on request.

4. Wide range of available elastomers.Buna-N or EPDM standard.

5. Check valves compatible with ANSI B16.1 Class 125 (iron) or B16.5 Class 150 (seat) flanges.

6. 2"-12" compatible with PN10 PN16 and universal flanges. Use of dual spring distributes the load force evenly across each plate,resulting in quick respomse to flow reversal.

Contact Now

Product Details

Material:

The body materia: GG25,GGG40,GGG50

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

The stem/spring material: SS416/SS304

The seat material:NBR/EPDM/VITON

Standard：

ANSI/JIS/DIN/BS

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:

1. The products are new structure .small and light weight

2. Reliable sealed,endurable open-close,erar-resisting,long life.

3. With less flowing resistance than old check valve and obvious enerfy-saving effects.

diefei 800 check valve.png

Technical Parameters:

Size	DN50-DN1200
Working pressure	16Bar	10Bar
Shell	24Bar	15Bar
Seal	18Bar	11Bar
Operating Temperature	-10℃~+120℃
Operating Environment	Ballast and bilge system Chemical processing
	Desalination plants Drilling rigs
	Drinking waterDry powder
	Food and beverage Gas plants
	HAVC Mining industry
	Paper industry Sand handling
	Seawater
	Sugar industry
	Thermo technical water treatment
	Waste water