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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.

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:
SizeDN15-DN2000, 1/2''-80''
PressurePN10-PN420, Class150-Class2500
Temperature-200°C to 650°C
Connection typeFlange, Thread, Socket weld, Butt weld
Operation modeManual, Pneumatic, Electric, Hydraulic, Gear operation


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, et

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, et

Seat SealingSS,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.

Shen Gao's Comprehensive Range of
Bellows Gate Valve
Discover the Bellows Gate Valve Tailored to Your Needs.
Shen Gao Valves
36 Years of Manufacturing Expertise, Delivering One-Stop Gate Valves Solutions.
A reputable provider offers more than just a product sale. Shengao provide strong post-purchase support, addressing issues or concerns.
  • 01
    Determine the Application Field
    Before purchasing a high-performance gate valves, pinpoint its primary use—whether in water treatment, oil and gas, or other industries. Each field has specific needs.
  • 02
    Choose The Right Valve Type
    Gate valves come in many different types. Depending on factors such as flow control and pressure, choose the one that will perform best in your system.
  • 03
    Select Materials
    Diversified selection of materials. Choose different materials according to needs. We provide materials ranging from conventional carbon steel to stainless steel to alloy materials, covering basically all valve materials.
  • 04
    Verify Feasibility
    Discuss with engineers and ask experts to verify to confirm that the valve meets technical requirements. Provide professional advice and installation and maintenance guidance
  • 05
    Quality Control
    We have a strict quality inspection department. Every link needs to be inspected before entering the next link. We will never miss any link until the product is delivered safely.
  • 06
    After-sales Service
    24-hour online customer service, 2- year warranty or 18 months after installation, whichever comes first.
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