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API Globe Valve

API Globe Valve

Size: 2" to 24"
Class: 150LB to 2500LB
Type: Bolted Bonnet, OS&Y, Rising Stem, Plug Disc, Straight Type
Material: WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC
Operation Type: Hand wheel, Gear, Electric actuator, Pneumatic actuator, etc
Product Details


ASTM A216 WCB WCC, ASTM A217 WC1 WC6 WC9, ASTM A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M, ASTM A352 LC1 LCB LCC LC3 or bycustomers, austenite, Duplex stainless steel, ferrite, stainless steel, steel castings
(Cast Steel, Alloy Steel, Stainless Steel, Special Steel)


Inspection and Test: API 598

Face to face and end to end: ASME B16.10

Pressure-temperature ratings: ASME B16.34

Butt weld end dimension: ASME B16.25 (BW)

Design and Manufacture: BS1873 or ASME B16.34

End flange dimension: ASME B16.5, ASME B16.47(API 605, MSS SP44)

Gasket of Cover Flange
Stainless steel + flexible graphite wounded gasket is used for Class 150 and Class 300 globe valve. Stainless steel + flexible graphite wounded gasket is used for Class, and ring joint gasket is also optional for Class 600.Ring joint gasket is used for Class 900 globe valve. Pressurized seal design is used for Class 1500~Class 2500 globe valve.

Packing Seal
Molded flexible graphite is used for packing material. PTFE or combined packing material can be also used if being requested by the customer. The internal surface of the stuffing box, of which area is contacted with the packing, is of excellent finish(Ra 3.2um). The stem surface, contacting with the packing, should be rolled and pressed after being precisely machined, so as to reach to the high finish and compactness(Ra 0.8um)and ensure the reliable tightness of the stem area.

Back Seating Design
All our globe valves have the back seating design. In most cases ,the carbon steel globe valve is fitted with a renewable back seat. For stainless steel globe valve, the back seat is machined directly in the bonnet or is machined after welding. When the globe valve is at fully open position, the sealing of the back seat can be very reliable. However, as per the requirement of API, it is not advisable to add or change packing by the mean of back seating when the valve is pressure containing.

Special Globe Valve
Besides the common globe valves, We also makes cryogenic globe valve(Extended bonnet), bellow sealed globe valve, Jacketed globe valve, with bypass globe valve.By-Pass and Drain ConnectionsIndicator and Locking Devices, etc.

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