HG/T 20592  法兰 PL 200(B)-25 RF500-1.0FSch10S/u00a3M S0=32=140c c�1

PL200(B)-25 RF500-1.0FSch10S/u00a3M S0=32=140c c�1

PL 400(B)-16 RF

BL 2 1/2"-150 RF

LWN 50-150 RF B=52 H=182�X@

B WN 40"-150 RF B=7.92

SO 50-150 RF84F/@47.5 RJ1�

BL 15-300RF R

WN15-600RF-LBfhch8

WN80-150 RF T S80SF s8

SO 40-150 RFRAI