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Bellows-Sealed Valve

Swagelok® Bellows-Sealed Valves

Swagelok bellows-sealed valves are designed to limit the potential for leaks, with many featuring a packless design or welded seals. They provide reliable, leak-tight performance in applications where the seal to atmosphere is critical to keep operators safe and processes functioning as intended.

View Bellows Valves

Swagelok bellows-sealed valves are available in a variety of styles and configurations, allowing users to find options that work well in their general and high-purity applications. Options include gasketed or welded body-to-bellows seals, stem tips for shutoff or regulating service, a variety of end connections, a wide range of flow coefficients, and panel or bottom mounting.

  • Specialized Swagelok bellows-sealed valves with micrometer handles allow for precise, repeatable flow setting by allowing stem position changes in as little as 0.001 in. (0.025 mm) increments
  • Compact Swagelok bellows-sealed valves for switching service allow for flow to be changed from one line to another using manual and spring-return or double-acting pneumatic actuators
  • High-pressure, pneumatically actuated Swagelok bellows-sealed valves can handle elevated working pressures and temperatures to match process requirements
  • Select Swagelok bellows-sealed valves feature a secondary containment system that prevents leaks to atmosphere even if the primary seal fails, enhancing reliability, versatility, and safety

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Bellows-Sealed Valves Categories

Bellows-Sealed Multi-Valve Manifolds, V3 Series

Bellows-Sealed Multi-Valve Manifolds, V3 Series

The Swagelok® 3-valve manifold uses bellows-sealed valves for systems with difficult fluid containment requirements.

Bellows-Sealed Valves for Switching Service, BY Series

Bellows-Sealed Valves for Switching Service, BY Series

了解切换用 BY 系列波纹管密封阀。紧凑型无填料设计,配备 Torlon® 阀杆导轨,可实现一致的关断性能。

General-Service Bellows Valves, B and H Series

General-Service Bellows Valves, B and H Series

Ensure reliable shutoff with precision-formed metal bellows valves with gasketed or welded body-to-bellows seals and stem tips for regulating service.

High-Pressure Bellows Valves, HB Series

High-Pressure Bellows Valves, HB Series

Explore high-pressure, pneumatically actuated bellows-sealed valves with all-metal seal to atmosphere and with full pressure rating in either direction.

High-Purity Bellows Valves, BN Series

High-Purity Bellows Valves, BN Series

Discover high-purity valves with positive stem retraction, smooth actuation, and union bonnet construction for enhanced cycle life and cleanliness.

Metering Bellows Valves, BM Series

Metering Bellows Valves, BM Series

Reliable metering bellows valves feature a hardened stainless steel actuator, six-turn max flow, and slotted handles for screwdriver adjustments.

Pneumatic Actuators

Pneumatic Actuators

Enhance your system's performance with high-quality pneumatic actuators for bellows-sealed valves, designed for reliable and precise fluid control.

Spare Parts and Accessories

Spare Parts and Accessories

Find high-quality components designed for optimal compatibility. Spare parts and accessories for stem tip kits, bellows kits, indicator switch kits, and gasket kits.

带辅助填料的高温波纹管阀,U 系列

带辅助填料的高温波纹管阀,U 系列

世伟洛克® U 系列波纹管密封阀具有防止大气泄漏的二级密封系统,从而提高了可靠性和通用性。

波纹管密封阀目录

查找详细的产品信息,包括结构材料、额定压力和温度、选购件及配件。

世伟洛克阀门流量系数 (C<sub>v</sub>) 计算器

计算流量以选择正确的阀门

使用我们的阀门流量系数 (Cv) 计算器选择适合您需求的阀门尺寸。

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