Swagelok VCR 4 Face Seal Fitting, 1/4 in. Gasket, PTFE Plastic , Non-Retained Style Gasket. Swagelok Part Number: T-4-VCR-2. This Swagelok® VCR® Non-retained gasket is made of PTFE plastic which maintains a greater flex-life. PTFE are among the most chemically inert materials available. Standard cleaning and packaging (SC-10). These VCR (Vacuum Coupling Radiation) fittings and components are precision manufactured and offer a leak-tight, metal on metal seal. They can be used for any fluid flow application and provide leak-tight service from vacuum to positive pressure. Polished surface finish and high purity materials virtually eliminate these fittings as a source of system contamination. The VCR fitting design has been tested to maximum leak rate of 4x10-9 std cm3/s with silver-plated-copper gaskets, and to a maximum leak rate of 4x10-11 std cm3/s with unplated (Ni, Cu or 316L SS) gaskets.Specifications and Dimensions:PTFE Plastic VCR Size: 4 Inch Size: 1/4 E: 0.22 in (5.6 mm) Tx: 0.47 in (11.9 mm) Swagelok, VCR-TM Swagelok Company

Swagelok VCR 8 Face Seal Fitting, 1/2 in. Gasket, PTFE Plastic, Non-Retained Style Gasket. Swagelok Part Number: T-8-VCR-2. This Swagelok® VCR® Non-retained gasket is made of PTFE plastic which maintains a greater flex-life. PTFE are among the most chemically inert materials available. Standard cleaning and packaging (SC-10). These VCR (Vacuum Coupling Radiation) fittings and components are precision manufactured and offer a leak-tight, metal on metal seal. They can be used for any fluid flow application and provide leak-tight service from vacuum to positive pressure. Polished surface finish and high purity materials virtually eliminate these fittings as a source of system contamination. The VCR fitting design has been tested to maximum leak rate of 4x10-9 std cm3/s with silver-plated-copper gaskets, and to a maximum leak rate of 4x10-11 std cm3/s with unplated (Ni, Cu or 316L SS) gaskets.Specifications and Dimensions:PTFE Plastic VCR Size: 8 Inch Size: 1/2 E: 0.44 in (11.2 mm) Tx: 0.78 in (19.8 mm) Swagelok, VCR-TM Swagelok Company