WBSX fire special signal butterfly valve
Model: WBSX
Caliber: DN50-400
Pressure: 1.0MPa-2.5MPa
Material:   Cast iron, cast steel, carbon steel, stainless steel, 304 , 316

Fire-fighting signal butterfly valve
WBSX fire-fighting special signal butterfly valve has the advantages of simple structure, reliable sealing, light opening, long life and convenient maintenance. Therefore, it is widely used in various pipelines of water supply and drainage, building fire protection, etc., especially in fire protection pipelines. The signal valve can clearly display the valve switch state, and has an intuitive, clear and reliable reflection of the working state in the fire protection system, so it is widely and widely applied to the fire protection system.
Main technical parameters of fire-fighting special signal butterfly valve
Nominal passage   Nominal pressure   Operating temperature   Seal test   Strength test   Applicable medium
DN50 ~ 400mm 1.0/1.6/2.5MPa -10 °C ~ -80 °C 1.1 times the nominal pressure 1.5 times the nominal pressure   Water, oil, gas


Fire special signal butterfly valve main parts and materials
Serial number   Part Name   Material   Serial number   Part Name   Material
1 valve body   Ductile iron, cast steel 7 sealing ring NBR . EPDM
2 valve shaft SUS410/SUS316 8 round gasket SUS316/ brass
3 disc board   Ductile iron spray, stainless steel 9 pairs of open loop SUS316 / brass
4 seat EPDM , PTEE 10 retaining ring   Spring steel
5 bushing   Bronze, PTFE


Fire-fighting signal butterfly valve main shape connection unit : mm
DN 50 65 80 100 125 150 200 250 300 350 400
H 268 287 309 342 376 410 495 565 849 985 1109
H1 70 76 86 104 118 132 167 198 239 267 309
L1 43 46 46 52 56 56 60 68 68 78 102
L2 32 47 65 91 112 146 194 242 292 325 380
L3 245 245 245 245 245 245 400 400 400 400 431
Ф1 152 152 152 152 152 152 300 300 305 305 290

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