Check Valves

Design: BS 5153, DIN3352. Face to Face: BS EN 558-1, DIN3202-F6. Flange: BS EN 1092-2. Size: DN40-DN600. Working pressure: PN10/PN16. Working Temperature: -40centigrade degree - 225centigrade degree. Suitable Medium: Water, Oil, Steam. Material: ductile cast iron, Cast Steel, Stainle.

Technical Specification: Check valves (also known as Non return Valves) are Automatic valves that prevent a return or reverse flow of the process. Check valves are used for two main purposes: First, to prevent back flow, and second, to maintain pressure. Material: Construction: AISI 304, AISI 316 & AISI 316L. Sizes: From 1" to 4" (25mm to 100 mm) Standards: Unions End Connections with SMS/IDF & DIN.. Quality Tests: tests & Pressure Tests.

We supply all kinds of valves(and related joints, flanges, nuts) with different material from China. Our website is www.py-valve.com Pls feel free to contact if you have any questions.

Brass Check Valve ( Vertical)

Magnetic check valve was designed with magnet diaphragm, and sealed by the metal. it was used on the exhaust pipe of the compressor, for inside, it uses guide device and automatic suchtion design thant prevent reverse refrigerant flow in liquid lines and compressor discharge lines.

1. Its Material Is PVC 2. Size: 3/4" - 8"(20mm-200mm). 3. Alkali and acid resistant 4. Standard: DIN, ANSI, JIS. 5. With Socket End. 6. 100% factory tested no leak. 7. Durable and long lasting. Packing: box or poly bags, Carton.

Check valve class Full port pressure temperature rating 200 psi w.O.G. 350 f.S.P. Threaded ends conform to ansi b 2.1, bs 21, din 259/2999, stainless steel class 200 screwed cap, swing type disc, integral seat. 1/4"---4"

- This is a IBR approved in line FLOW CHECK VALVES for use in any application Water, Condensate, Liquid etc. - Ensure that there is no reverse flow in the line. - Maximum pressure 47.5 kg/cm2 at 105°c. - Material ASTM A 315 Gr. CF8M (SS 316). - Easy installation, fits between flanges joint in any class. - Sizes available 15 NB to 100 NB, large size available on request. - Valve must be fitted with the direction of flow being according to the direction arrow indicated on the body of the valve.

JYL Forged Cw617n Brass Chinese Factory Check Valve Item no:JYL-7107 Size:1/2",3/4",1",1 1/4",11/2",2",21/2",3",4" Function: Water pump necessary brass valve, applicable to mounting in the horizontal pipelines,inside filter net to prevent blockage and backflow, easy operating...