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
...
Product Description
The function of the check valve is to prevent the media from flowing backwards in the line.Check valve belongs to automatic valve class, opening and closing parts by the force of the flow medium to open or close.Check valve is only used for medium one-way flow on the pipeline, prevent medium backflow, to prevent accidents.
Product Description:
The main features
1, the middle flange structure (BB) : the valve body valve cover is bolted, this structure is easy to valve maint...
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...
Main Parts And Materials
Material Name
AY12X(F)-(10-16)C
AY12X(F)-(10-16)P
AY12X(F)-(10-16)R
Body
WCB
CF8
CF8M
Bonnet
WCB
CF8
CF8M
Plug
WCB
CF8
CF8M
Sealing Element
WCB+PTFE(EPDM)
CF8+PTFE(EPDM)
CF8M+PTFE(EPDM)
Moving Parts
WCB
Cl 8
CF8M
Diaphragm
FKM
FKM
FKM
Spring
65Mn
304
CF8M
Main Outer Size
DN
Inch
L
G
H
15
1/2″
80
1/2″
90
20
3/4″
97
3/4″
135
...