这是今天看到一份资料里对此法兰连接的解释:' e$ l" t7 j# h l) G, h) ]
Ring-type joint (RTJ)—a flange with a circumferential groove machined " b+ \% q/ x4 Q' yinto the flange face, which requires an oval or an octagonal circular ring3 ]3 m3 x0 ]( W7 Q8 P: p6 U
gasket to make the pressure seal. 7 i% a" C. X6 x! L. X希望对有同样问题的朋友 有帮助:)