HG/T 20615  法兰盖 BL 25-150 Mââ00-10

BL25-150Mââ00-10

PL 50(B)-16 RF

B WN600-300 RF S=30

PL 300(B)-40 M

B WN600-300 RF S=20

SO 50-150 RF

PL5000-10 RF80s40F��

WN80(B)-63 RF S=5

BI 1800-1@5@0RFSc.5@4RF@AFF@PFF0MFs40�

WN 300(B)-25 RF B=308 δ0=5 h=6RF60ms=4M000(BhF SR S1.60ampam