Centering Ring O-Ring Replacement, VitonŽ, ISO-63 Vacuum Fitting, ISO MF LF Flange Size NW-63
These VitonŽ Replacement O-Rings follow International Standards Organization (ISO) standards and have a flange size of NW-63. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring (please see top right figure - click to enlarge). The ISO standard sizes for LF NW ISO large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630.
They are made of VitonŽ. VitonŽ is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals. VitonŽ is a registered trademark of DuPont Performance Elastomers.
O-Ring Viton, for NW-63 Centering Ring,
ISO-LF Flange Size: NW-63
Common Dimensions: ID = 2.85" (72mm)
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