GB/T 12459  同心异径管 DN 65×40-Sch80RC

DN 65×40-Sch80 RC

DN 200-Sch80 90ES Sd=

DN40/PN10/11B Sch10S=3.515

LWN 100-600 RF B=87

WN 500-150 RF/T

PL 100(B)-40 RF b

so100(B)-150 RF f1=3s

PL125(A)-16 M

SO 50-40 RFt/a5°bl51500-125R45

PL100(B)-16 RF065пҝҪ1@1S5RFSf sch2S5 RJb20615-2009RF16