Product Features
Product design and manufacturing in line with foreign requirements, reliable sealing, excellent performance.
② The structure design is compact and reasonable, and the shape is beautiful.
③ Wedge-type flexible gate structure, large diameter set rolling bearings, easy opening and closing.
(4) The valve body material variety is complete, the packing, gasket according to the actual working conditions or user requirements reasonable selection, can be applied to various pressure, t...
Product structure characteristics
A check valve is an “automatic” valve that is opened for downstream flow and closed for counter-flow.Open the valve by the pressure of the medium in the system, and close the valve when the medium flows backwards.The operation varies with the type of check valve mechanism.The most common types of check valves are swing, lift (plug and ball), butterfly, check, and tilting disc.Products are widely used in petroleum, chemical, pharmaceutical, chemica...
Product Structure
main parts and materials
Material Name
Q81F-(6-25)C
Q81F-(6-25)P
Q81F-(6-25)R
Body
WCB
ZG1Cr18Ni9Ti
CF8
ZG1Cr18Ni12Mo2Ti
CF8M
Bonnet
WCB
ZG1Cr18Ni9Ti
CF8
ZG1Cr18Ni12Mo2Ti
CF8M
Ball
ICM8Ni9Ti
304
ICd8Ni9Ti
304
1Cr18Ni12Mo2Ti
316
Stem
ICr18Ni9Ti
304
ICr18Ni9Ti
304
1Cr18Ni12Mo2Ti
316
Sealring
Potytetrafluorethylene(PTFE)
Gland Packing
Polytetrafluorethylene(PTFE)
Main Outer Size
DN
L
d
D
W
H
...