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Globe Valve - China

price: 30.00 Dollar US$

Globe Valve

Products Photos Catalog Globe Valve Photos Catalog

Body and Bonnet Connection

The body and bonnet of Class 150~Class 900 gate valves are usually bolted bonnet design.

And Class 1500~Class 2500 gate valves are usually of pressurized seal design.

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.

Belleville spring loaded packing impacting system

If being requested by the customer, the Belleville spring loaded packing impacting can be adopted for enhancing the durability and reliability of the packing seal.

Seat

For carbon steel globe valve, the seat is usually forged steel.

The sealing surface of the seat is spray welded with hard alloy specified by the customer.

Renewable threaded seat is used for NPS<8 globe valve, and welded on seat can be also optional if being requested by the customer.

Welded on seat is used for NPS>10 carbon steel globe valves.

For stainless steel globe valve, integral seat is usually adopted, or to weld hard alloy directly integrally.

Threaded or welded on seat is also optional for stainless steel globe valve if being requested by the customer.

Stem design

The stem is of integral forged design.

The minimum diameter of the stem shall per the standard requirement.

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 Connections, Indicator and Locking Devices , etc.

Operation type

Handwheel, Gear, Electric actuator, Pneumatic actuator, Bare stem.

Standard

Design and Manufacture: BS1873 or ASME B16.34

Inspection and Test: API 598

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

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

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

Pressure-temperature ratings: ASME B16.34

NACE: NACE 0175

Material

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

(Cast Steel, Alloy Steel, Stainless Steel, Special Steel)


Company Contact:


  • Phone: 86057767381922

  • Address: No.255 Shenjiabang Road,Baihe Town,Qingpu District,Shanghai China, Shanghai , Shanghai , China

  • Email: Email


Published date: April 20, 2016

  • Business Description: pipeline valve, industrial valve, metal to metal seated valve, automatic valve.

    gate valve, globe valve, check valve , ball valve, butterfly valve

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