HG/T 20592  法兰 WN 300(B)-16 RF S=14mpampam

WN300B-16RF S=14mpampam

wn50a-40fm s=0-8 DN=300 δn= R/210RF0

BL 300-150RF D=480 C=38

47065.2 A6-1100-6

3 CT 2400-0.620δ

WN80-150 RF5-2S-�

PL 32(B)-16 RF

SO 2"-150 RF0so50527)-1C125-150RF5

WN150-300 RF S=10

47065.3 B660=/50 RF Schmpa0 RF2254