Wafer Check Valve

 

Wafer Check Valve	DN50-DN900
Body:	CI, DI,
Disc:	DI.304SS, 316SS
Face to Face :	ISO5752-16 , BS5155.
Design Standard :	BS5153.
Flange Connection :	DIN PN10/16/25 , ANSI B16.1 , BS4504.
Test :	API598.
Painting :	Epoxy resin electrostatic spraying.

 

Application:

Check valve is used for preventing the back-gone of medium in pipelines and equipment, It will open and close automatically by the pressure of medium.

When the medium is back-going, valve disc will close automatically to avoid accidents.

Double fanged butterfly valve / Middle line double flanged butterfly valve / valve

Body: Cast iron, Ductile iron, SS304, SS316.
Disc : Ductile iron, SS304, SS316 ,Aluminum Bronze.
Seat: EPDM, NBR,PTFE etc .
Shaft: SS410, SS416, SS304, SS316 etc.
Driving style: Lever, Gear box, Actuator.
Design standard : API609, BS5155, BSEN593, MSS SP-67.
Test : API598.
Tubing flange : BS, DIN, ANSI, BS10D, BS10E, UNI, ASE.
Inspection and test: API598, ISO5208-1982.
Packing: Plywood cases or as clients' requirements.
 
Detail specIfications, pls refer to the drawing attached.
or you can contact us freely , 

Double flanged eccentric butterfly valve / double eccentric double flanged butterfly valve / double eccentric butterfly valve.

Materials:

Body	Cast Iron , Ductile Iron
Body Seal	SS304
Disc	Ductile Iron
Pin	SS410/SS416/SS304/SS316
Seat	EPDM / NBR
Stem	SS410/ SS416/ SS431
Bushing	PTFE / LUBRICATING
O-ring	EPDM / NBR

 

Feature:

1.  the double eccentric structure reduces friction of the sealing ring, providing the valve a long service life.

 

2.  " T" structure of the disc sealing ring, the sealing pair is linear sealing.

 

3.  Replacing materials of the disc ring, " O " -ring, disc and shaft, the valve can be used for various medium and temperature.