HG/T 20592  法兰 PL 250(B)-10 FF2.==59u00 B4Ffm

PL250B-10FF2.==59u00 B4Ffm

WN15-150Rf80F=

SO 40(A)-16 RF b=2=12fRF Sch4000

WN150-300RF B＝1561@5009 SM0-0.ƒRFN1-46

SW 1/2"-150 RF

PJ/SE 125(A)-16 RF S=2

SO100-150 RFRF SRFsc(S)=3.51990-

WN150-63MF RF25ft/

WN16-16RF

SO50-150RF.5=38F R-1.0/-2.5