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Special fire signal resilient seated gate butterfly valve pressure 1.0 - 2.5MPa for automatic spraying water pipeline in fire protection system
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, cast steel
9
Copper nut
Gunmetals
10
Stem
Stainless steel
11
Disc
Ductile cast iron packed with rubber or EPDM outside
Main technic-al parameters
Nominal pressure: 1.0-2.5MPaWorking temp.:0-120
Flanged end:GB/T17241.6 GB9113, ASME 16.5 etc..
Nominal diameter: 50-400mmService:water, oils, gas etc..Inspection and test:GB 13927 API 598
Main dimensions unit: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
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Exporter,Trading Company,Seller
Year Established:
2000
Total Annual:
3 Million-4 Million
Ecer Certification:
Verified Supplier
Our company Hontai Machinery and equipment (HK) Co. ltd focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transfor... Our company Hontai Machinery and equipment (HK) Co. ltd focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transfor...