- Reliable, leak-tight performance with a packless design where a seal to atmosphere is especially critical
- Welded seal which isolates system fluids to prevent leaks to atmosphere
- Multiple options for general and high-purity service
Bellows Valves (B Series)
Swagelok® B series bellows-sealed valves are available in a variety of models for system versatility.
Features
- 1/4, 3/8, 1/2, and 3/4 in.; 6, 10, and 12 mm end connections
- Brass, stainless steel, and alloy 400 materials
- Gasketed or welded body-to-bellows seals
- Stem tips for shutoff or regulating service
- Panel and bottom mounting
Bellows Valves with Secondary Packing (U Series)
Swagelok® U series bellows-sealed valves enhance reliability, versatility, and safety—with a secondary containment system that prevents leaks to atmosphere even if the primary seal fails
Features
- Gasketed or welded body-to-bellows seals
- Stem tips for shutoff or regulating service
- Panel, bottom, and side mounting available
- Secondary containment system above the bellows
- 1/4, 3/8, 1/2, 3/4, and 1 in.; 6, 10, and 12 mm end connections
- Stainless steel material
Bellows Sealed Valves (H and HK Series)
Features
- Compact size
- Precision-formed metal bellows and non-rotating stem tip for reliable, repetitive shutoff
- Variety of end connections
- Panel and bottom mounting
- Pneumatic actuator for HK series available
Specifications
| Type | Swagelok® tube fittings, NPT, VCR face seal fitting, tube socket weld, tube butt weld, tube extension |
| Sizes | 1/8 to 3/8 in.; 6 mm |
| Internal Volume | 0.08 and 0.10 in3 (1.3 and 1.6 cm3) |
Metering Bellows-Sealed Valves (BM Series)
Features
- Micrometer handle for precise, repeatable flow settings
- 316 stainless steel construction
- Panel and bottom mounting are standard
Bellows-Sealed Valve for Switching Service (BY Series)
Features
- Compact, packless valve switches flow from one line to another
- Torlon® stem guide ensures proper alignment for consistent shutoff performance
- Manual and spring-return and double-acting pneumatic actuators are available
- End connections include 1/4 in. Swagelok® VCR® metal gasket face seal fittings and 1/4 in. Swagelok tube fittings
Specifications
| End Connections | 1/4 in. VCR face seal fitting or Swagelok tube fitting |
Bellows Sealed Valves (BN Series)
Features
- Packless valves with all-metal seal to atmosphere
- 1/4 to 1/2 in. and 6 to 12 mm end connections
- 316L stainless steel construction—316L VAR for bodies with butt weld end connections
- Butt-weld ended valves are weldable with the Swagelok welding system
- Full pressure rating in either flow direction for system versatility
- Easily purged to maintain clean operation
Bellows Sealed Valves, High-Pressure, Pneumatically Actuated (HB Series)
Features
- Packless valves with all-metal seal to atmosphere
- VCR® face seal fitting, Swagelok® tube fitting, and weld end connections
- Easily purged to maintain clean operation
CAD Files and Sales Drawings
Choose from more than 1 million Swagelok CAD templates and sales drawings in multi-lingual formats CAD templates are available in a variety of 2D or 3D file formats. Sales drawings are available in .pdf format. Search based on product names or part numbers.
"Safe Product Selection:
The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.
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