这是今天看到一份资料里对此法兰连接的解释: ) w! }$ ^3 ` W, T: U9 iRing-type joint (RTJ)—a flange with a circumferential groove machined- X1 C( X5 t0 w1 B7 W/ s$ m! o5 W% z
into the flange face, which requires an oval or an octagonal circular ring # @3 B# d n7 X3 Mgasket to make the pressure seal.! F: t2 D* ]% X$ ?" ^# \
希望对有同样问题的朋友 有帮助:)