Zhejiang Hoastar Valve Co.,Ltd. Zhejiang Hoastar Valve Co.,Ltd.
Services We Offer:Welded ball valve,Gate Valve,Globe Valve,Check Valve,Ball Valve,Plug Valve,Butterfly Valve,Water Control Valve,Hydraulic Control Valve,steam ball valve, long stem welded ball valve
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Products Show Home >> Products >> Hydraulic Control Valve >> Special Fire Signal Resilient Seated Gate Valve

Special Fire Signal Resilient Seated Gate Valve

Special Fire Signal Resilient Seated Gate Valve
Special Fire Signal Resilient Seated Gate Valve
Signal gate valve and signal butterfly valve are used in automatic spraying water pipeline in fire protection system to monitor the water supplying pipeline and can indicate the valve's opening in a long distance.Rising stem gate valve and opening indicator gate valve are 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 and if the installation position is low,opening indicator gate valve is used

Material :

No.

Part

Material

1

Transmission cap

ductile cast iron, cast steel

2

Handwheel

Ductile iron

3

Dust proof gasket

Plastic

4

Gasket

Buna-N rubber or EPDM

5

Thrust bearing

Gunmetals

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,c ast steel

9

Copper nut

Gunmetals

10

Stem

Stainless steel

11

Disc

Ductile cast iron packed with rubber or EPDM outside


Main technical parameters :
Nominal Pressure: 1.0-2.5MPa
Working Temp.:0-120
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

Dimensions( mm) :

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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