Check valves DN65-400

Check valves L10

 

PN 160-400 • DN 65-400 • Tmax 650 °C
 
Application:
Swing check valves are self-acting valves preventing the back flow of the fluid. Designed for water, steam, gases and other fluids in power engineering, chemical industry as well as other industries depending on material selection. Swing check valves are not shutoff valves.
 
Technical description:
The body is made of forged material. The disc is inserted into the valve body through the pressure seal cover joint or through the self-sealing body-cover joint. The seat ring is welded in the body and its seating surface and disc surface of the disc are hard faced. The cover is sealed by a special graphite gasket. Upon request, the valves may be equipped with a bypass.
 
Operation:
Swing check valves are automatic devices.
 
Testing:
Valves are subject to shell strength test, shell tightness test, seat tightness test and functionality test according to EN 12266, API 598 with water as a standard. If required, other tests may be performed as well.
 
Connection to the piping:
Flanged or welded ends.
 
Installation:
Swing check valves may be installed into horizontal pipings with the cover upwards or into vertical pipings, but the flow direction is bottom up. The flow direction shall correspond to the arrow on the valve body.
Documents to download Size Type
Check valves L10 84 Kb pdf