HG/T 20592  法兰 SO 250-16 RF�=54 h=0SI B16.380026 S

SO250(A)-16RF�=54 h=0SI B16.380026 S

SW40-150RF-10/5.88=1015 K=950 B=824Â832.5sch4009 W1G

lwn450-900fm6fkh406 S1=F00 fm RF-26rfs=

PL150(B)-6 RF B1=/WN200fm0fmBRF RF=/=42.1.10-41=9 S=4

3 T 1700-6.420δ0=20=4FF b� s30)-25

wn80(b)-150rf s=4 a=89

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