GB/T 29465  法兰 T 650-1/50 r00-δ1=10

DN 100-3 CⅢRF s=4-40S0 h05T650-150 r00-δ1=10

20592PL200-16RF d=14350d=715 l=30/

WN80(B)-160M,S=80m86R0-6RFch1ch1/F RF50-150 r00-δ1=10

wn25(b)-600 rj4-40S0 h05T650-150 r00-δ1=10

wn80(b)-150rf0RF BB=134s D=1RFhr4-40S0 h05T650-150 r00-δ1=10

wN200-