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Fire Special Signal Relisient Seat Seal Gate Valve

MFG: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 0086 (021) 3652 8716
Mob: (0086) 138 1635 6498

product drawing

Fire special signal relisient seat seal gate valves
Fire special signal relisient seat seal gate valves

The features of signal gate valve

Fire special signal relisient seat seal gate valve is 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. It is often used in fire protection system, and if the installation position is high to the ground, rising stem gate valve is used and can show the valve's opening clearly while if the installation position is low, opening indicator gate valve is used. The main technical paremeters: Nominal pressure: 1.0Mpa, 2.5Mpa; Nominal diameter: 50-400mm; test critaria: GB13927 AP1598;flange critaria: GB/T 17241.6 GB9113; working temperature: 0-80℃; Applicable medium: water, oil,gas, etc.

Dimensions & constructral diagram

Fire special signal relisient seat seal gate valve constructral diagram(pic1)
Fire special signal relisient seat seal gate valve constructral diagram(pic1)
Fire special signal relisient seat seal gate valve constructral diagram(pic2)
Fire special signal relisient seat seal gate valve constructral diagram(pic2)
Fire special signal relisient seat seal gate valve constructral diagram(pic3)
Fire special signal relisient seat seal gate valve constructral diagram(pic3)

The materials of main parts

No. Name Material
1 Transmission cap ductile cast iron, cast steel
2 Handwheel malleable cast iron
3 Dust cover plastic
4 Seal ring buna-N rubber or EPDM
5 Thrust bearing tin bronze
6 Bonnet 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 Steel nut tin bronze
10 Stem stainless steel
11 Disc ductile cast iron packed with Buna-N rubber or EPDM

The main connection dimensions

DN 50 65 80 100 125 150 200 250 300 350 400
L 178 190 203 229 254 267 292 330 356 381 406
H 370 408 452 510 566 630 765 927 1048 1110 1320
DN 50 65 80 100 125 150 200 250 300 350 400
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