HG/T 20592  法兰盖 BL 400-6 RFS70S59-1155

BL400-6RFS70S59-1155

PL 300(B)-16 RF

BL250-16RF s=f5

SO 1 1/4"-150 RF

2 CRF 1000-1.6 δ1=16

B WN 1000-150 RF Sch40

WN600-150 RF S=12

WN 1 1/4"-150 RF Sch40S

47065.2 A1

pl15-40rjmpa165mpamso10eampqu5009@RF/a0M16 RF5�@RF@40fuot;-150 RF�