Isolate system fluids and achieve reliable, leak-tight performance with Swagelok bellows valves, which use a packless design and a welded seal. Bellows valves are ideal for applications where the seal to atmosphere is critical, and we offer multiple options for general and high-purity service.
Catalogs
Bellows-Sealed Valves — General-Service Bellows Valves, B and H Series — Straight Pattern, Manual Actuation
Bellows-Sealed Valves, H Series
Features: Compact size; Working pressures up to 1000 psig (68.9 bar); Temperatures up to 600˚F (315˚C)
Bellows-Sealed Valves, B Series
Swagelok® B series bellows-sealed valves are available in a range of configurations to meet a variety of system needs. Gasketed and weld body-to-bellows seals, shutoff and regulating stem tips, and several end connections are offered.
Similar Products
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Part #
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Body Material
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Connection 1 Size
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Connection 1 Type
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Connection 2 Size
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Connection 2 Type
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| SS-12BG-MM | 316 Stainless Steel | 12 mm | Swagelok® Tube Fitting | 12 mm | Swagelok® Tube Fitting | View Product |
| SS-2H | 316 Stainless Steel | 1/8 in. | Swagelok® Tube Fitting | 1/8 in. | - | View Product |
| SS-2H2 | 316 Stainless Steel | 1/8 in. | Male NPT | 1/8 in. | Male NPT | View Product |
| SS-4BG | 316 Stainless Steel | 1/4 in. | Swagelok® Tube Fitting | 1/4 in. | Swagelok® Tube Fitting | View Product |
| SS-4BG-TW | 316 Stainless Steel | 1/4 in. | Tube Socket Weld | 3/8 in. | Tube Butt Weld | View Product |
| SS-4BG-V51 | 316 Stainless Steel | 1/4 in. | Face Seal (Metal Gasket) Female VCR | 1/4 in. | Face Seal (Metal Gasket) Female VCR | View Product |
| SS-4BK | 316 Stainless Steel | 1/4 in. | Swagelok® Tube Fitting | 1/4 in. | Swagelok® Tube Fitting | View Product |
| SS-4BKT | 316 Stainless Steel | 1/4 in. | Swagelok® Tube Fitting | 1/4 in. | Swagelok® Tube Fitting | View Product |
| SS-4BKT-V51 | 316 Stainless Steel | 1/4 in. | Face Seal (Metal Gasket) Female VCR | 1/4 in. | Face Seal (Metal Gasket) Female VCR | View Product |
| SS-4BK-TW | 316 Stainless Steel | 1/4 in. | Tube Socket Weld | 3/8 in. | Tube Butt Weld | View Product |
| SS-4BK-V51 | 316 Stainless Steel | 1/4 in. | Face Seal (Metal Gasket) Female VCR | 1/4 in. | Face Seal (Metal Gasket) Female VCR | View Product |
| SS-4BK-VCR | 316 Stainless Steel | 1/4 in. | Face Seal (Metal Gasket) Male VCR | 1/4 in. | Face Seal (Metal Gasket) Male VCR | View Product |
| SS-4BRG | 316 Stainless Steel | 1/4 in. | Swagelok® Tube Fitting | 1/4 in. | Swagelok® Tube Fitting | View Product |
| SS-4BW | 316 Stainless Steel | 1/4 in. | Swagelok® Tube Fitting | 1/4 in. | Swagelok® Tube Fitting | View Product |
| SS-4BW-V51 | 316 不锈钢 | 1/4 in. | 面密封（金属垫片）内螺纹 VCR | 1/4 in. | 面密封（金属垫片）内螺纹 VCR | View Product |
| SS-4H | 316 不锈钢 | 1/4 in. | 世伟洛克® 卡套管接头 | 1/4 in. | 世伟洛克® 卡套管接头 | View Product |
| SS-4H2 | 316 不锈钢 | 1/4 in. | 外螺纹 NPT | 1/4 in. | 外螺纹 NPT | View Product |
| SS-4H4 | 316 不锈钢 | 1/4 in. | 内螺纹 NPT | 1/4 in. | 内螺纹 NPT | View Product |
| SS-4H-SC11 | 316 不锈钢 | 1/4 in. | 世伟洛克® 卡套管接头 | 1/4 in. | - | View Product |
| SS-4H-TH3 | 316 不锈钢 | 1/4 in. | 卡套管短管 | 1/4 in. | 卡套管短管 | View Product |
| SS-4H-TW | 316 不锈钢 | 1/4 in. | 卡套管承插焊接 | 3/8 in. | 卡套管对接焊接 | View Product |
| SS-4H-V13 | 316 不锈钢 | 1/4 in. | 面密封（金属垫片）内螺纹 VCR，承插焊 | 1/4 in. | 面密封（金属垫片）内螺纹 VCR，承插焊 | View Product |
| SS-4H-V51 | 316 Stainless Steel | 1/4 in. | Butt-Welded Female VCR® Metal Gasket Face Seal | 1/4 in. | Butt-Welded Female VCR® Metal Gasket Face Seal | View Product |
| SS-4H-VCR | 316 Stainless Steel | 1/4 in. | Face Seal (Metal Gasket) Male VCR | 1/4 in. | Face Seal (Metal Gasket) Male VCR | View Product |
| SS-6BG | 316 Stainless Steel | 3/8 in. | Swagelok® Tube Fitting | 3/8 in. | Swagelok® Tube Fitting | View Product |
| SS-6BG-MM | 316 Stainless Steel | 6 mm | Swagelok® Tube Fitting | 6 mm | Swagelok® Tube Fitting | View Product |
| SS-6BK | 316 Stainless Steel | 3/8 in. | Swagelok® Tube Fitting | 3/8 in. | Swagelok® Tube Fitting | View Product |
| SS-6BW | 316 Stainless Steel | 3/8 in. | Swagelok® Tube Fitting | 3/8 in. | Swagelok® Tube Fitting | View Product |
| SS-6H-MM | 316 Stainless Steel | 6 mm | Swagelok® Tube Fitting | 6 mm | Swagelok® Tube Fitting | View Product |
| SS-8BG | 316 Stainless Steel | 1/2 in. | Swagelok® Tube Fitting | 1/2 in. | Swagelok® Tube Fitting | View Product |
| SS-8BG-TW | 316 Stainless Steel | 1/2 in. | Tube Socket Weld | 3/4 in. | Tube Socket Weld | View Product |
| SS-8BG-VCR | 316 Stainless Steel | 1/2 in. | Face Seal (Metal Gasket) Male VCR | 1/2 in. | Face Seal (Metal Gasket) Male VCR | View Product |
| SS-8BK | 316 Stainless Steel | 1/2 in. | Swagelok® Tube Fitting | 1/2 in. | Swagelok® Tube Fitting | View Product |
| SS-8BK-VCR | 316 Stainless Steel | 1/2 in. | Face Seal (Metal Gasket) Male VCR | 1/2 in. | Face Seal (Metal Gasket) Male VCR | View Product |
| SS-8BW | 316 Stainless Steel | 1/2 in. | Swagelok® Tube Fitting | 1/2 in. | Swagelok® Tube Fitting | View Product |
Contact
If you have questions about this product, please contact your local authorized sales and service center. They can also tell you about supporting services to help you get the most out of your investment.