Non Return Flap Valve

non return flap valve
Working Pressure:PN10 / PN16/ PN25
Testing Pressure:Shell: 1.5 times rated pressure,
Seat: 1.1 times rated pressure.
Suitable Media: clean water, sewage, sea water etc.

Product Details

Non Return Flap Valve

Basic Info Of Non Return Flap Valve

Product Advanteges :

1.The check valve flow is streamlined,low resistance.

2.The open-close part is control by medium itself to prevent backflow.

3.Products can be used in a variety of piping flange and flange standard and flange seal type,to meet a variety of engineering needs and user requirements.

4.KEMUS company specialized intentions since 1994, has a professional production, sales, research, after-sales team, is your strong backing of sales and use.

5.The thickness of check valve body wall is up to standard.

The check valve body wall thickness meets the requirement of GB 26640, the thickness is up to the standard, and the pressure strength is guaranteed.

Products Specification about Non Return Flap Valve



Sutable for ISO 5752 / BS EN1092 PN10 / PN16 flange;


Non Return Valve Types Features

1.Epoxy fusion coating for inside and outside ofcheck valve body;

2.Relatively no maintenance required;

3.The flapper is coated with rubber and the opening and closing can be up to 1 million times.

4. Full- flow area design, with the charicteristics of small water head, easy repair


Pressure and Temperature ratings:

Working Pressure

PN10 / PN16/ PN25

Testing Pressure

Shell: 1.5 times rated pressure,

Seat: 1.1 times rated pressure.

Working Temperature

-10°C to 80°C (NBR)

-10°C to 120°C (EPDM)

Suitable Media

clean water, sewage, sea water etc.






Ductile Iron, cast iron, carbon steel


NBR lined ductile iron


carbon steel/Stainless steel

Quality control about different types of non return valves

Our Company Competitive Advantage:

A.With more than 30 years of valve manufacturing experience, specializing in Ball Valve,GGC Valve

Pressure range:Class150-Class2500,PN10-PN420.

Size range:NPS1/2-NPS80.

Operation type: manual, gearbox, chain wheel, pneumatic, electronic, hydraulic-pneumatic etc.

Connection End: flanged, BW, SW, NPT, wafer type, etc.

Materials (casting): WCB, WCC, LCB, LCC, LC1~3, CF8, CF3, CF8M, CF3M, CF8C, CN7M, CA15, C5, WC5, WC6, WC9, etc.

Materials (forging): A105, LF1, LF2, F304, F304L, F316, F316L, F11, F22, F6, F51, F316H, F321, F347, etc.

B. Strong Professional Technical Team:3 Sr.Engineer with average working life more than 18 Years and 10 Engineers and 1 With ASME Level II with average working lift more than 10 Years

C. Efficiency production arrangement to fast growth accordingly

D. We have very good and comprehensive after-sales service

E. Scientific Informationization management system and strict control system:CAD and CAPP used into valve design and innovation.PDM and ERP constructed for information management system

F. Set Up a perfect QMS System, achieved ISO 9001, API 6D,CE,ISO14001,OHSAS18001,API 607,6FA,And API 600

G.With the customers around around the world,mainly Middle East,South-East Asia,Australia,Korean And America.

Packing and Loading about water pump non return valve

Non Return Flap Valve

non return check valve

To visit Non Return Flap Valve, please contact

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