ASME B16.5  法兰盖 BL 18"-150 RF.6=1

BL 18"-150 RF.6=1

5 FF 1800-0.620δrj5RFF Sc9

WN250(B)-25RFF6R

pl32b)-16ff F

WN 8"-300 RF Sch20SS=5.6/-1.B00-25RFF Sc9

SW 14"-300 RF°wn8Su4/71

WN80(a)-150FMM00ffIIF3

BL500-300 RF RF s)r0FMFM0rf-sc50Rү/FaRF

PL300(B)-25RF/156=-150

pL40