NB/T 47021  法兰 RF 1600-2.5

1 RF 1600-2.5

BL500(B)-6RF

BL500-600 RF Sch80

PL200-10RF AA=101.6

SP-9

JWN 80×125-150 RF Sch40S

LWN450-150 FF

WN14"-300 RF Sch40

PL25-25RF

SO500(B)-25 G0 RF0615rfS.50(B)-16 RF S=900-1.0/FD=4-0r80S RF56&0@407FF RJALMJ.5 RJRF06-66)6 R�FÆâ�