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
Q11F-(16-64)C
Q11F-(16-64)P
Q11F-(16-64)R
Body
WCB
ZG1Cr18Ni9Ti
CF8
ZG1Cd8Ni12Mo2Ti
CF8M
Bonnet
WCB
ZG1Cr18Ni9Ti
CF8
ZG1Cr18Ni12Mo2Ti
CF8M
Ball
ICr18Ni9Ti
304
ICr18Ni9Ti
304
1Cr18Ni12Mo2Ti
316
Stem
ICr18Ni9Ti
304
ICr18Ni9Ti
304
1Cr18Ni12Mo2Ti
316
Sealring
Polytetrafluorethylene(PTFE)
Gland Packing
Polytetrafluorethylene(PTFE)
Main Size And Weight
DN
Inch
L
d
...
Product Description
The opening and closing part of the knife gate valve is the gate plate, the movement direction of the gate plate is perpendicular to the direction of the fluid, the knife gate valve can only be fully open and fully closed, and can not be adjusted and throttled.Knife gate valve is mainly composed of valve body, O-ring, gate, stem, bracket and other components.The knife gate valve adopts the one-piece structure with small volume and light weight.Ful...
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...