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American Standard Gate Valve
Main Material
Nominal Diameter
Nominal Pressure
Temperature Range
The Mainstream Valve Body Is Made Of A216 WCB Carbon Steel, A351 CF8 (304)/CF8M (316) Stainless Steel, And A352 LF2 Low-temperature Steel
DN25 - DN1200
Class 150 - Class 2500
- 29℃ - 425℃
- It has strong compliance with the standards, and strictly conforms to American standards such as API 600 (flange gate valve), ANSI B16.34 (valve size), API 598 (test and inspection). The structural length, flange size, and Pressure rating are fully compatible with American system pipelines, with high interchangeability and reliability.
- The high-pressure structure is stable, and the valve body adopts forging or thick walled casting technology. The wall thickness is designed in a stepped manner according to the Class level, with strong resistance to impact and compression deformation; The gate plate is mostly of elastic wedge or rigid wedge type, which can automatically compensate for the sealing gap caused by temperature deformation and adapt to high-pressure differential working conditions.
- Excellent sealing performance, with a leakage rating of ANSI Class V for metal hard seals and Class VI for soft seals; The valve seat adopts the "self tightening" or "gland type" structure, and the sealing force increases with the increase of the medium Pressure, so as to avoid the leakage of high-pressure medium. It is suitable for the transportation of flammable, explosive and toxic media.
- Suitable for harsh working conditions, with fire-resistant (API 607), anti-static (ball and valve stem equipped with conductive springs), and sulfur resistant (NACE MR0175) designs. Some models support low-temperature cryogenic and high-temperature creep conditions, and are widely used in industries dominated by the American standard system such as petroleum extraction, natural gas transportation, and refining.
- Easy operation and maintenance, manual models equipped with bronze or cast iron handwheels, high transmission efficiency; Can be paired with electric/pneumatic actuators for remote control; The upper structure supports online maintenance, allowing for the replacement of seals and fillers without dismantling pipelines, reducing downtime for maintenance.
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