Ring joint gasket—gasket ring /API gasket ring/ RTJ gasket ring /metal ring joint pipe flange ring joint, metal O ring, gasket/R/RX/BX/gasket Oval,octagonal ring joint gaskets which are processed by professional equipments are especially used in ring joint face flange. Both the oval and octagonal gaskets can be applied to flat flang [Materail]:Metal mateiral:stainless as 304,316,321.,347 ,carbon steel ,soft rion Type: R-Type, Oval Type R-Type, Octagonal Type, RX Type RX, BX-Type lense ring Usage: static sealing for flange enduring high pressure. General Size: DN10-DN600MM 1’’ to 60’’, 150LB to 2500LB Standard: ASME /ASNI , JIS/JPI, ISO,DIN, EN Oval Gasket Ring Octagonal Gasket Ring R/RX/BX/gasket ring Skype: suqiuyumeng