microresistance slow closing flange check Valve with counterweight
Flange Check Valve with counterweight
For BS 4504 BS EN1092-2 PN10 / PN16/ PN25 flange mounting.
Face-to-Face dimension conforms to ISO 5752 / BS EN558.
Epoxy fusion coating.
|
Working Pressure |
PN10 / PN16 / PN25 |
|
Testing Pressure |
Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure. |
|
Working Temperature |
-10°C to 80°C (NBR) -10°C to 120°C (EPDM) |
|
Suitable Media |
Water, sewage etc. |
Shell and seal tests for each valve is done and recorded before package to make sure the product quality. The test media is water in room conditions.
|
Part |
Material |
|
Body |
Ductile Iron/Carbon steel |
|
Disc |
Ductile Iron / Stainless Steel |
|
Spring |
Stainless Steel |
|
Shaft |
Stainless Steel |
|
Seat Ring |
NBR / EPDM |
|
Cylinder/Piston |
Stainless steel |
If need the drawing details, please feel free to contact.
This check valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
