HG/T 20592  法兰 SO 150-16 RF(B)/00-6 DN=300

SO150-16RF(B)/00-6 DN=300

PL 65(B)-25 RF

SO 1-1/2"-150 RF

3 T 800-2.5

a2600 f/srf D=90RFdrawF1400-6

SO450B-16FF b=6R150RF Sc D=58

WN 8"-600 RF Sch60

SO 150(B)-25 RFd3=

LWN 50-300 RF B=49 H=175

LWN 4"-600 RF B=102.3 Y=232MF0 RF Sch16011