HG/T 20592  法兰 IF 500-16 FF

IF500-16 FF

WN48B-40M500

SO80-150 FF ASME

SO32-16 RF-1.1.0 δs=6 RFF(A)6/@42

SO 50(B)-25 G

WN200-900 RF SCH40S

47023 rf 300-4.0Rg207S=14G/T20592-200 R

TPB-2Љт•Ћ9n0h40Rf s=3.3(b)-40rfb1500-s/@BII

WN180-150RF-900

wn300(b)-150 RF/S/rt150 RFrfB0 RRFR