CAMLOCK GASKET WASHER ENVELOPE THREAD SEAL NBR EPDM VITON PUR
1：
Standard NBR is in black, EPDM in white, FPM and CSM in green. Other colors can be made on request. Non-standard size 8" are used for our own couplers, not compatible with other manufacturers'.
2：
PTFE (poly tetrafluorethylene) undertakes wider range as -30/300°C, and greater chemical resistance. It is in direct touch with the medium. We have standard PTFE cover with black compound inside, dotted with NBR white, EPDM blue and FPM green.
3：
Black NBR thread sealing ring is commonly used in BSPP type of female thread, optional white PTFE and brown or red PU.
