China Sanitary Stainless Steel SS304 SS316L Welded Check Valve

Sanitary Stainless Steel Welded Check Valve

Application:
This type of check valves are used to stainless steel pipe line system, in order to prevent the fluid flowing back.
Working Principle:
Check valve is a type of valve which open or close reply on the medium flow itself. The check valve disc will open when the pressure of stem bottom exceed the stem above. The check valve disc will close when the two pressure are equaled. So that the flow goes one way in the pipeline, and prevent the fluid flowing back, avoid the accidents.
Standard Design:
Various standards of valves can be provided to clients: DIN, 3A, SMS, ISO/IDF, BS/RJT, ASME/BPE etc.
The body of check valve is divided into two parts, they are together by the clamp, and also use a special gasket for seal. A guide discs and four guide bar are used to guide the spring, which equipped with spindle with O type seal. This type of check valve connection: weld, clamp, and male. All check valves are suitable for all kinds of pipeline connections.
Technical data:
If the check valves are installed in a vertical pipe, it needs approximately equal pressure 6Kpa to open. Maximum pressure for conveying material is 1000Kpa. Using temperature scope for -10 to140 degree celsius.
Material:
Steel Parts: 304, 316L
Seal: VMQ, FPM, EPDM

DIN-NO.RZ1101 Size A B L T DN15 62.5 19.0 75.0 1.5 DN20 62.5 23.0 75.0 1.5 DN25 77.5 29.0 78.0 1.5 DN32 77.5 35.0 78.0 1.5 DN40 89.0 41.0 80.5 1.5 DN50 105.0 53.0 86.0 1.5 DN65 134.0 70.0 97.0 2.0 DN80 145.0 85.0 105.0 2.0 DN100 158.0 104.0 105.02.0

DELIVERY:
Usually within 15days after receiving T/T down payment
PAYMENT:
We prefer to do 100% T/T (30% T/T in advance, 70% T/T before shipment)
FAQ:
I. Are you factory?
Yes,we are factory and we're specilized in manufacturing valve for 15 years.
II. Which countries do you expot to?
We're exporting to about 40 countries around the world. For Europe and America Area ,it takes about 30%,Middle East area:40%, Africa area:30%.
III. If you can do valve in our brand?
Yes,we can do your brand,but need you to provide the certificate of authrization for us.
IV. Where is your factory ?
Our factoury is located in Wenzhou city. If you have time ,welcome to visit us!
V.Which delivery port do you usually use?
There are three port we usually use:Shanghai pot,ningbo port,Wuhu port.
VI,What kinds of certificates do you have?
We have ISO9001:2000 quality certificates,3A certificatesand ISO14001:2014