VCO® O-RIng Face Seal Fittings
Swagelok® VCO O-ring face seal fittings are designed for rapid assembly in pipe, tube, and welded systems. The “B” Type VCO fitting, for applications in biotechnology and pharmaceutics, uses an L-ring seal that eliminates concavity at the bore.
VCO® O-Ring Face Seal Fittings
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Specifications
Pressure Ratings
Temperature Ratings
Materials
• Bodies, glands, nuts
• ATW fittings
• O-rings
End Connections
• Type
• Size
Configurations |
Up to 15 400 psig (1061 bar)
Up to 400°F (204°C)
316 stainless steel
316L stainless steel
Fluorocarbon FKM
Swagelok tube fitting, weld, NPT, male SAE/MS
1/8 to 1 in.
Glands, bodies, straights, elbows |
More Information
Download the Swagelok VCO O-Ring Face Seal Fittings catalog.
Find VCO O-ring face seal fittings in the product search.
 Features
- Unique design allows easy installation where space is limited.
- No axial clearance is required.
- Sealing is accomplished with a captive O-ring in the body component.
- Assemblies can be used from high pressure to critical vacuum, within a wide range of temperatures.
- O-ring contained completely for maximum efficiency.
- Test ports at two locations for easy leak testing.
- Female nut threads silver plated for easy assembly.
- Smooth finish on gland face ensures positive seal.
Testing
The VCO face seal fitting design has been helium leak tested to a maximum leak rate of 4 × 10–9 std cm3/s.
Options
Fluorocarbon FKM O-rings are standard. Perfluoroelastomer, Buna N, PTFE, and ethylene propylene O-rings are available.
“B” Type VCO® L-Ring Face Seal Fittings for Applications in Biotechnology and Pharmaceutics
The L-ring seal reduces the potential for media entrapment and should be used only with the “B” Type VCO body. Applications include steam cleaning lines, sampling, research and development, and process feed lines.
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Specifications
Pressure Ratings
Temperature Ratings
Materials
• Bodies, glands
• Nuts
• L-rings |
Up to 2500 psig (172 bar)
Up to 450°F (232°C)
316L stainless steel
316 stainless steel
Fluorocarbon FKM, ethylene propylene, PTFE, silicone |
More Information
Download the Swagelok “B” Type VCO L-Ring Face Seal Fittings catalog.
Contact your authorized Swagelok sales and service representative.
 Features
- Reduced internal entrapment.
- Lubricant-free L-ring seal.
- Specially cleaned and packaged bodies and glands.
- 20 µin. (0.51 µm) maximum Ra electropolished internal surface finish.
- Tube butt weld end connections.
- Controlled L-ring extrusion—no overtightening.
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