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Oversized resilient seated gate valve

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Oversized resilient seated gate valve

Oversized gate valve is made of finest ductile cast iron or cast steel with high strength,light weight and precise dimensions.The disc is replaceable.And the valve is gear operated and easily open or close the valve by one man,at the same time it can be with opening indicator according to the client's requirement,or be with electric or pneumatic actuator.It's sealing and anti rust function is very good.And it is liable with long life.It can be installed vertically or horizontally and widely used in feeding and draining system,sewage treatment system,construction, mining,metallurgy,electric power plant etc..

Material

 
Serial no.
part
material
1
Body
Grey cast iron,ductile cast iron,cast steel
2
Disc
Ductile cast iron packed with rubber or EDPM outside
3
Bolt
Carbonized treatment
4
Gasket
Buna-N rubber or EPDM
5
Cover
Grey cast iron,ductile cast iron,cast steel
6
Stem
Stainless steel
7
O-ring
Buna-N rubber
8
Thrust bearing
Gunmetals
9
Bolt
Carbon steel or alloy
10
Gland
ductile cast iron,cast steel
11
Dust proof gasket
Buna-N rubber
12
Handwheel
Ductile iron

 
Main technic-al parameters

Nominal pressure: 1.0-2.5MPaWorking temp.:0-120Flanged 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
500
600
700
800
900
1000
1200
L
457
508
660
720
780
840
960
Hmin(full close)
1480
1665
2200
2800
2800
3000
3000
Hmax(full open)
1650
1900
2350
2950
2950
3150
3150
H(ELECTRIC)
 
the electric actuator according to the client's requirement


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