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Bellows Gate Valve

Introducing a revolutionary design, bellows gate valves incorporate bellows seals to enhance sealing performance and prevent stem leaks. This innovative feature ensures zero leakage, even in demanding applications where traditional gate valves may struggle. Bellows gate valves are widely used in industries such as chemical processing, pharmaceuticals, and oil refining, where reliable sealing is essential to prevent product contamination or loss. Their robust construction and precise sealing capabilities make them a preferred choice for critical processes requiring maximum reliability and safety.

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Design Advantages

Enhanced Sealing: Bellows design ensures superior sealing performance, minimizing the risk of leaks.

Corrosion Resistance: Resilient to corrosion, making it suitable for various industrial applications.

Extended Lifespan: Durable construction ensures longevity and reliability in demanding environments.

Precise Control: Enables precise control over fluid flow, ensuring optimal system performance.

Versatile Applications: Ideal for use in industries such as chemical processing, oil and gas, and wastewater treatment.

Low Maintenance: Requires minimal upkeep, reducing operational costs and downtime.

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 bellows gate valves is crucial to ensure adherence to international quality and safety benchmarks. By complying with these standards, bellows gate valves offer outstanding performance, longevity, and suitability across various installations and applications.

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