GESTRA Return-temperature Control Valves
GESTRA return temperature control valves BW 31
To regulate widely branched heating networks or individual consumers
Factory set closing temperature, optionally with external adjustment device
Nominal sizes from DN 15 to DN 40
Nominal pressure from PN 10 to PN 40 / CL 150
Connections:
- Flanges to DIN and ANSI
- NPT threaded nozzle
- threaded socket
Materials:
Housing: P240GH (C22.8)
Internal parts: stainless steel
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