HG/T 20592  法兰 PL 125-16 RF D=24

PL125A-16RF D=24

BL50-10RFRFFF F60RJ75

SO 500-150 FF0f3 RF Ⅱ

3 fm800-1.6/48-120F

WN 4"-150 RF Sch80S05=≥

LWN20-300 RF b20=16

SO250B-25MFRF= S=5@(B)0

PL125(B)-25 RFm s=16

SO 500(B)-16 RFFS=3.5

WN150-300rj Sch40s1/06/�‚¬ c0rfFFcC6RF0RFS