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Pressure Seal Gate Valve

Pressure Seal Gate Valve

Size: 12 inch
Class: 2500LB
Material: C12A
Connection: BW End
Operation: Electric Actuator

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The middle part of pressure seal gate valve using pressure self-tightening structure, make sure the valve has good sealing performance under high pressure and high temperature conditions. It's widely used for thermal power plant, petrochemical industry, metallurgy and other industrial sectors.


The sealing ring has two kinds of material, one is low carbon steel, the other is flexible graphite and SS 316, the sealing surface is welding with hard alloy, after the welding is finished, the thickness of metal layer should be 3mm or more, therefore, it has advantages of wear-resistant, temperature-resistant and anti-corrosion, greatly prolong the service life. Both ends adopt welding structure; the dimensions of welding groove can be customized on clients' requirements. The medium can be high temperature and high pressure water, steam, oil products and super-heated steam etc. 


Specifications:

Size: 12 inch

Class: 2500LB

Material: C12A

Connection: BW End

Operation: Electric Actuator


Feature:

1.The central connection adopts pressure self-tightening structure.

2.The disc and seat are welding with hard alloy.

3.High temperature creep resistance design.

4.The material of stem is precipitation hardening stainless steel by nitriding.


Product Name:

Pressure self seal gate valve

pressure seal flange gate valve

Self sealing pressure gate valve

BW gate valve for power station

Cast steel pressure seal gate valve

Size:

2inch to 24inch(DN50 to DN600)

Pressure rating

900LB to 4500LB (PN100 to PN760)

Material:

A216 WCB、WCC; A217 WC6、WC9、C5、C12、C12A、CA15、 A351 CF8、CF8M、CF3、CF3M, etc

End connection:

Flange end

BW end

SW end

Operation type

Hand wheel, Gear, Electric actuator, pneumatic actuator

Design Standards:

API600

ASME B16.34

Japanese power electric station plant valve standard E101.

Face to Face:

ASME B16.10

Test standard:

ISO5208, API598


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