NB/T 47022  法兰 C-T 300-0.6/20δ1=8RF2F D=1

2 CT 300-0.620δ1=8RF2F D=1

WN 3"-150 RF Sch40Sƒ�

WN50(A)-16 RF S=3.8-1.0

PL250(B)-10RF0 Rf-2R00

47022rf1200-1.000rfR

BL 500-150RF/2 undefine

3 M 1200-4.0 δ0=14f150 R150RF00-010M500-1.0ch806 RF

WN 2 1/2"-300 RF S=5.16

WN 80-150 RF S=3.5