GB/T 29465  法兰 RF 2800-2.5/20δ0=203/u0-16R

5 RF 2800-2.520δ0=203/u0-16R

wn80b)-16rf000-1506-20000c30(B)16300Rh40F12+/780SF

WN 600(A)-10 RF

1 FF 900-0.6 δ=58r0rB/ δ=445 f27 RF S66020

& WN400-600RJ.0/82-16Â580

BL80-25 RF�ƒâ�)=26 cSt

WN 50-16 FF=319468O

LWN 1 1/2"-1500 RJ

SO100(A)