Name	Ductile Iron Check Valve Spring Loaded Check Valve
	Size	NPS 1/2 to 2 inch
	Body material	Brass C3771, C37000, CW614N, CW617N etc
	Working Temperature	PN16, 200WOG
	Stem	Brass or Stainless steel or ABS
	Connection	Thread (Male & Female BSPT, NPT, ISO 228/1 etc)
	Working temperature	-20°C ~ 100°C

Product Description

Ductile Iron Check Valve Spring Loaded Check Valve is also called the reflux valve, non-return valve. It's a kind of automatic valve used in duct system working based on the power of fluid medium itself. The main function of this valve is to stop the medium from back off and bleeding from the container. It's also suitable for using as the duct of assistance system for supplying when the pressure is higher than main system.
Suitable for domestic water services, heating and air-conditioning plants, compressed air systems. It can be installed in any position: vertical, horizontal, oblique. 
Working medium: water, non-corrosive liquids 
Pipe thread meets ISO228 standard

Ductile Iron Check Valve Spring Loaded Check Valve
1)Design Standard:ANSI B16.10
2)Material:Stainlesss steel(ASTM A351-CF8M,CF8)
3)Size:NPS 1/2 to 2 inch

Product Process

Packaging and transportation

Application area

Our history

Product Certification

1.We promise no leakage and breakage for valves. Every valve will test for 2 times test pressure before leave factory. We will replace the valve if there is quality problem within 24 months guarantee period.
2.We obtained ISO9001 quality system certification,ISO14001 certification,GB/T 28001 certification.We inspect the parts of valve carefully, 48 produce steps, try to supply you ideal valve.
3.We can supply different kinds of materials according to customers' requests,such as DI,cast steel,SS304,SS316 body and disc. EPDM,NBR,PTFE,Viton etc. Enough stock ensure fast delivery.
4.We have more than 150 types body moulds, which include ISO,DIN,ANSI,BS standard.
5.We own full-automatic machine paint line, match high-temperature baking house,which makes smooth paint and good appearance of valve.

Our Customers

In the 21 years, we have customers in many countries around the world.

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