GB/T 12459  同心异径管 DN 40×25-5.5RC

DN 40×25-5.5 RC

wn80B-63rf

WN 40(B)-16 RF RF SCH80º“0/-2Sch85-1F-60mqov

WN15A-63FM RJ0= SCHXXS16rj5rfr

bl65(b)-25fmsF6rfF RS

SO 100(B)-16 FMhgcad.-10ffF5F

PL100-16RF target=u

PL40A-16RF b=3/

WN40-300RF S=416RFfch40 H=140a3/u00 RFch40=356

SP-52.