GB/T 12459  等径三通 DN 50-4TS200-1. RF102/0-10RF0-1.60

DN 50-4 TS200-1. RF102/0-10RF0-1.60

SO200B-25RF b=5

WN25-2500FM=330ch40S�0=10œã‚40 SO

1FF 300-1.0 δs=6-63616RFjfb/ 50

WN600-300RFs=1015/50.h

wn 100-600 RF40rfrf/225 H=/44-

PL100(B)-16 RF00-2.5ch40sSch10ScF B

PL320(B)-16 RF/s=F/=110-25 R

2 G 45