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Double Disc Flat Gate Valve

Double disc flat gate valves employ a unique double-disc design to provide reliable sealing and smooth operation in various industrial applications. The flat gate design minimizes flow resistance and pressure drop across the valve, making it ideal for high-flow applications requiring efficient fluid control. Double disc flat gate valves are commonly used in industries such as wastewater treatment, mining, and pulp and paper, where large volumes of fluids need to be processed efficiently and reliably.

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Design Advantages

Efficient Flow Control: Double disc design enables precise modulation of fluid flow, ensuring optimal system performance.

Reliable Sealing: Flat gate configuration provides a tight seal, preventing leakage and maintaining system integrity.

Minimal Friction: Smooth operation reduces friction, allowing for smooth opening and closing of the valve.

Durable Construction: Constructed with high-quality materials for durability and long-term reliability in demanding environments.

Versatile Applications: Suitable for a wide range of industries, including water treatment, chemical processing, and power generation.

Easy Maintenance: Simple design facilitates easy maintenance and servicing, reducing downtime and operational costs.

Technical Parameters

Size	DN15-DN2000, 1/2''-80''
Pressure	PN10-PN420, Class150-Class2500
Temperature	-200℃ to 650℃
Connection type	Flange, Thread, Socket weld, Butt weld
Operation mode	Manual, Pneumatic, Electric, Hydraulic, Gear transmission

Materials

Valve Body	Forged	A105, LF2, F5, F9, F11, F22, F304, F316, F347, F904, F51, F53, F310, N08020, Inconel625, etc
	Cast	WCB, LCB, C5, C12, WC6, WC9, CF8, CF8M, CF8C, 4A, 5A, CN7M, C95800, CW6MC, etc
Valve Stem		F6a, 17-4PH, XM-19, F304, F316, F347, F904, F51, F53, F310, Monel400, Monel500, N08020, Inconel625, Incoloy825，etc
Valve Disc		A105, LF2, F5, F9, F11, F22, F304, F316, F347, F904, F51, F53, F310, N08020, Inconel625, F6a, 17-4PH, XM-19, F304, F316, F347, F904, F51, F53, F310, Monel400, Monel500，Incoloy825，WCB, LCB, C5, C12, WC6, WC9, CF8, CF8M, CF8C, 4A, 5A, CN7M, C95800, CW6MC, etc
Seat Sealing		SS,BR,CU,AS,CS,AL,PTFE,NBR,FKM,AI203,etc

Design Standards

Valve Body	API 600, API 602, ASME B16.34, DIN 3352, BS 5163, GOST 5762, JIS B2073, GB/T 12233, etc.
Flange	ANSI B16.34, EN 1982, JIS B2210, GB/T 17241, ASME B16.42, GOST 12815, DIN 3202-1, etc.
Connection	ANSI B16.10, ASME B16.25, JIS B2212, GOST 33259, DIN 3202, etc.
Test Standards	API 598, ISO 5208, BS EN 12266, ASME B16.104, GOST 9544-2015, JIS B2003, DIN 3230, etc.

The careful selection of design standards for Double Disc Flat Gate Valve is crucial to ensure adherence to international quality and safety benchmarks. By complying with these standards, Double Disc Flat Gate Valve offer outstanding performance, longevity, and suitability across various installations and applications.

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Before choosing different types of Gate Valves, please determine their main uses. Whether it is water treatment, petroleum or other industries, different application scenarios will directly affect valve selection.
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