JIS B2220  法兰 BL FF 10K 20A 98 h=f4402LпҝҪп

BL FF 10K 20A98 h=f4402LпҝҪп

DN 155×100-9.1 RC

B PJ/SE 65(B)-25 RF S=5

WN 6"-150 RF Sch80S

HG/T20615 WN40-150RFF C=3

SO 20-16 RF

wn150-40rfs=143/rf s=12.5

WN100-16RF

PL25-16 RF D=1161 B=7 RFsch80s50

SO 20-40 RF&ampampamph4mFL52006rf6c