GB/T 12459  等径三通 DN 80-6TSG/T20

DN 80-6 TSG/T20

47023 FM 700-2.5

PL 50(B)-16 RF

SO20-300 RF

1 RF 800-0.6FF Sch40

so50(b)-150RFtF23 M350-2.5 450-4.020δ12020 rf45@4 rf 1JsRF@F000R60h=3Sch60.6FS5 RJ2A=F6m386@RFRF

DN200-PN40 WN RF Sch40

so400(b)-150rf b

SO 1 1/2"-150 RF

A WN 56