China Shanghai Enine Corporation

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Special Fire Signal Resilient Seated Gate Valve

Summary

Signal gate valves and signal butterfly valves are used in automatic spraying water pipeline in fire protection system to monitor the water supply pipeline and indicate the valve's opening at a long distance. Rising stem gate valves and opening indicator gate valves are often used in fire protection system, and if the installation position is high to the ground, rising stem gate valves is used and can show the valve's opening clearly while if the installation position is low, opening indicator gate valves is used.

Technical Parameters

Nominal pressure: 1.0-2.5Mpa
Working temp.:0-120°C
Flanged end: GB/T17241.6 GB9113,ASME 16.5 etc.
Nominal diameter: 50-400mm
Service: water, oils, gas etc.
Inspection and test: GB 13927 API 598

Special fire signal resilient seated gate valves, Non rising stem
Special fire signal resilient seated gate valves
Special fire signal resilient seated gate valves

Materials

No. part material
1 Transmission cap ductile cast iron, cast steel
2 Hand wheel Ductile iron
3 Dust proof gasket Plastic
4 Gasket Buna-N rubber or EPDM
5 Thrust bearing Gun metals
6 Cover Grey cast iron, ductile cast iron, cast steel
7 Bolt Carbon steel or stainless steel
8 Body Grey cast iron, ductile cast iron, cast steel
9 Copper nut Gun metals
10 Stem Stainless steel
11 Disc Ductile cast iron packed with rubber or EPDM outside

Dimensions

DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600
L 178 190 203 229 254 267 292 330 356 381 406 432 457 508
H(full open) 732 773 820 870 915 1003 1110 1263 1360 1550 1610 1900 1938 2120
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