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.