Butt Weld End Connection Direct-Operated Sempell Model 801 High Temp Steel Swing Check Valve

Sempell controlled and uncontrolled non-return or swing check valves prevent unallowable pressure built up in the turbine coming due to back-flowing steam

Features

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.