Sempell Model 801 Controlled Non-Return Valves

Controlled non-return valve to protect HP turbine against reverse flow. It enables reliable operation even at LP.

Principales fonctionnalités

Low maintenance gland can be retightened.
Hardfaces sealing faces at disc and body seat.
Low friction by burnished shaft.
Surfaces treated bearing faces on each part with relative motion.
Easy to disassemble bodies.
Low resistance coefficient x by favorable flow characteristic of internal structure.
Actuator mounting right or left possible seen from steam flow direction.
Universal connections by various design of welding ends or direct welding-in.
Deviating designs of welding ends in regard of dimension and material as well as other actuators, limit switches and special designs according to customers’ request can be supplied.