text.skipToContent text.skipToNavigation
ベローズ・シール・バルブ

Swagelok® Bellows-Sealed Valves

Bellows valves use a packless design and welded seal to prevent leaks to atmosphere in general and high-purity service with a variety of flow coefficient and stem tip material options.

Bellows-Sealed Valves Catalogs

Locate detailed product information, including materials of construction, pressure and temperature ratings, options, and accessories.

バルブの流量係数(C<sub>v</sub>値)計算ツール

The Right Valve Can Make All the Difference

Use our valve flow coefficient (Cv) calculator to chose a valve sized correctly for your needs.

Use the Tool

Swagelok Resources Curated for You

流体サンプリング・システムに適したバルブの選定
How to Select the Right Valves for Your Industrial Fluid System

Learn how to apply the practical STAMPED method to select the valves most suited to your industrial fluid or sampling system design applications.

化学/石油精製業界におけるフュージティブ・エミッション(排出物の漏れ)を低減する
Minimize the Costs of Fugitive Emissions with Low-E Valves

Fugitive emissions are a growing concern in the chemical and petroleum refining industry. Certified low-emissions (Low-E) valves can protect your facility and bottom line. Learn what they are, how they are tested, and how they can help you in this post.

一般産業用流体システムにおけるブロック・バルブ
How to Isolate Industrial Fluid Systems with Block Valves

The isolation of industrial fluid system lines prior to maintenance is vital to plant safety. One of the safest ways to isolate a fluid system line is to install two block valves. Learn how to design proper configurations for your system.

半導体業界向けの超高純度用(UHP)ALD20バルブのクリーンルームでの組み立て
One New Valve. Three Reasons It Could Change Semiconductor Manufacturing

Find out how the latest innovation in atomic layer deposition (ALD) valve technology is changing the game for high-tech semiconductor manufacturers.

ベローズ・シール・バルブ

Bellows-Sealed Valves

Bellows valves provide reliable, leak-tight performance with a packless design and welded seal to prevent leaks to atmosphere where that seal to atmosphere is especially critical. A variety of styles, stem tip materials, flow coefficent ranges, and end connections provide multiple options for use in general and high-purity service.