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Pressure Seal Globe Valve

Pressure Seal Globe Valve

Size: 1/2" ~ 24"
Rating pressure: ANSI 150lb ~ 2500lb.
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.
Trim: Per API 600
Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic.

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Pressure Seal Globe Valve, high pressure high temperature globe valve, BW globe valve.


Pressure seal bonnet is suggested for better closure in high pressure condition, while bolted bonnet is still available for customer's option.

The pressure seal design incorporates a metal-to-metal seal that becomes tighter as the pressure increases. The initial preload deforms the taper on the soft iron gasket to mate with the taper on the bonnet. The thin knife-edge on the gasket is wedged tightly between the body and the bonnet. The shallow angle insures that the gasket is sealed tightly with only a small upward force on the bonnet. Once the initial seal is created, the body/bonnet joint will remain leak free regardless of thermal or pressure conditions in the valve. After the joint has been assembled, there is no further need to adjust bonnet cap screws


Specifications: 

Size: 1/2" ~ 24"

Rating pressure: ANSI 150lb ~ 2500lb.

Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.

Trim: Per API 600

Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic.


Feature:

1.Outside screw and Yoke, Rising stems, metallic seating surface

2.Pressure seal design.

3.Back seating design

4.integral forged stem

5.ISO Mounted flange

6.Straight pattern body design


Technical parameters:

Product Name:

Pressure Seal Globe 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:

butt welding

Operation type

Handwheel, Gear, Electric actuactor, pneumatic actuactor

Design Standards:

JB/T3595,

Face to Face:

ASME B16.10

Test standard:

MSS SP-61, API598


Power Station High Temperature High Pressure Globe Valve:

Design Standard: BS 1873, ASME B16.34

Face to Face: ASME B16.10, EN 558, DIN 3202

End Flange: ASME B16.5, DIN 2501

Butt welding Ends: ASME B16.25.

Inspection and Test: API 598. 


Design Features:

Tapered, globe, or plug disc

Renewable or welded seat

Bolted bonnet or pressure sealed bonnet, back seal structure

Impact handwheel for 10" and above

Extended stem design for low temperature

ISO top flange for Bare stem globe valve.


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