This hot solution design has operated globally since 1995 in VVER and CANDU reactors. The SEBIM® CSSV fits various types of nuclear reactors that require high and low overpressure protection on liquid, steam, gas, and steam/water mix applications.
The CSSV ensures pressure safety and relief. Its autonomous piloting system uses a dedicated and independent pressure impulse source for fluid in the protected process. No external source of energy is needed for operation.
The CSSV has a no-flow piloting system in its compact design. It provides excellent leak tightness, as the disc and nozzle are leak tight up to the point of opening and immediately again after closing. The SEBIM® CSSV system is insensitive to back pressure and is stable, with no mass spring effect.