Extremely reliable check valves are needed to protect steam and gas turbines from reverse ows. With their reliable, non-jamming closures, our SCV valves are optimally designed to ful l this important protective function.

SCV check valves ef ciently protect steam and gas turbines from back ows coming from steam ex- traction pipes. This is guaranteed by a free-swinging model that closes automatically by means of its
own weight. This enables it to swing closed against
a double bearing friction moment without the assistance of a drive system. This makes extremely short closure times of under 0.5 seconds possible.
A hydraulic or pneumatic drive can be added as a closure aid by means of a two-part stem construction.

Types

The SCV is a robust cast valve with butt-welded ends. Welding neck anges can be welded on

A summary of the bene ts

  • Tightness at least in accordance withANSI/FCI 70-2 Cl. V
  • No jamming at seat
  • Low pressure loss due to overrunning clutch
  • High resilience to temperatures
  • Fireproof design
  • Low drive torque
  • Compact, robust design
  • Minimal maintenance; on-site maintenance possible
  • Inspection and assembly openingThe valve disc made of chrome steel reduces abra- sions. The valve discs of installed valves can be replaced via the inspection and assembly opening. The seal seat is manufactured by deposit welding and can be hard-coated if necessary.

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Leslie Control ValvesLeslie Control Valves For Gas Turbine Power Plant
Extremely reliable check valves are needed to protect steam and gas turbines from reverse ows. With their reliable, non-jamming closures, our SCV valves are optimally designed to ful l this important protective function. SCV check valves ef ciently protect steam and gas turbines from back ows coming from steam ex-...