90°扩口法兰90°扩口法兰是一种无焊接低压法兰管路连接方式。90°FlareFlangesProvideanon-welding,lowpressureflangedjoint.Flaringofthetubeendiscarriedoutinthesamewayasinthe37°flangesystem,withanadditionalrotatingtoolusedtoproducethe90°flare.参考适用范围SAEDIN/BS压力，Bar10-4010-40管路尺寸16x1.5-220x621.3x2.1-406.4x8.8(608x12.5)法兰尺寸1/2"-8"1/2"-16"(24"))