GB/T 12459  偏心异径管 DN 450×10-Sch40SREpampampquothg20615 wn350-6quotH

DN 450×10-Sch40S REpampampquothg20615 wn350-6quotH

PL80(B)-10 RF

BL150-150 RF d= L=18 C=6

wn125-2500 rj b=100b)-1100-1.5rfRFm,05c0-300b)-2-h

wn450 -300 rf1rfff0-1

023FM1800-1.0 Mδ.d30-1.001�

SO 50(B)-16 RF

WN350(A)-100RF6 n=24 l=25 d

wn65(B)-10