Style CG spiral wound gaskets utilize an external ring which accurately centers the gasket on the flange face, provides additional radial strength to prevent gasket blowout and acts as a compression stop.
Gaskets for standard flanges are 0.175″ (4.5mm) thick, fitted with 0.125″ (3.2mm) thick solid metal rings. Unless otherwise stated.
Style CG spiral wound gaskets can be manufactured in accordance with all relevant gasket standards to suit the following flange designations: ASME B16.5, BS 1560, BS 10, ASME B16.47 Series B (API 605), ASME B16.47 Series A (MSS SP 44), BS 4504, and DIN Flanges.
A general purpose gasket suitable for use with flat face and raised face flanges up to and inclusive of class 2500. Class 900 and above an internal ring is recommended.