Expansion Type Flat Gate Valve
Key Specifications / Features
Expansion Type Flat Gate Valve Maker in China: Expansion Type Flat Gate Valve, 2-48 Inch, Class 150-2500 LB, API 6D, BW, Flanged End, ASME B16.34.
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Detail Information
Standard for gate valves:
Design manufacture standard: API 6D.
Length of structure: API 6D.
Flange connecting end: ASME B16.5, ASME B16.47.
Butt welding connecting end: ASME B16.25.
Wall thickness: ASME B16.34.
Inspection and test: API 6D.
Pressure and temperature rating: ASME B16.34.
Product scope: NPS 2 Inch-NPS 48 Inch, CL150-CL2500 LB.
Main body material: ASTM A216 WCB, ASTM A352 LCB, ASTM A216 WCC, ASTM A217 WC6, ASTM A217 WC9, ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF3, ASTM A351 CF3M, ASTM A890 4A, etc.
Drive device: handle, bevel gear, electric, pneumatic, etc.
Main Feature:
The two sealing faces of a slab gate valve are perpendicular to the pipeline axis and its closing member have double discs. And the valve is equipped with a stretching mechanism. The gate valve is widely applicable for transmission pipeline system of natural gas, oil products and chemical engineering.
The valve plug has two parts with parallel sealing surfaces and wedge-shaped joint surfaces. The obturator parts are separated from each other. It can ensure the sealing performance even when the temperature changes caused by deformation, and can avoid leaving the gate due to heat expansion choked open. At sealing surface using hard alloy material of corrosion and wearing resistance, so it can ensure the sealing performance and extend the service life. Fully enclosed structure design, keep the valve fine protection, can be used at all weather.
Design manufacture standard: API 6D.
Length of structure: API 6D.
Flange connecting end: ASME B16.5, ASME B16.47.
Butt welding connecting end: ASME B16.25.
Wall thickness: ASME B16.34.
Inspection and test: API 6D.
Pressure and temperature rating: ASME B16.34.
Product scope: NPS 2 Inch-NPS 48 Inch, CL150-CL2500 LB.
Main body material: ASTM A216 WCB, ASTM A352 LCB, ASTM A216 WCC, ASTM A217 WC6, ASTM A217 WC9, ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF3, ASTM A351 CF3M, ASTM A890 4A, etc.
Drive device: handle, bevel gear, electric, pneumatic, etc.
Main Feature:
The two sealing faces of a slab gate valve are perpendicular to the pipeline axis and its closing member have double discs. And the valve is equipped with a stretching mechanism. The gate valve is widely applicable for transmission pipeline system of natural gas, oil products and chemical engineering.
The valve plug has two parts with parallel sealing surfaces and wedge-shaped joint surfaces. The obturator parts are separated from each other. It can ensure the sealing performance even when the temperature changes caused by deformation, and can avoid leaving the gate due to heat expansion choked open. At sealing surface using hard alloy material of corrosion and wearing resistance, so it can ensure the sealing performance and extend the service life. Fully enclosed structure design, keep the valve fine protection, can be used at all weather.
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