HG/T 20592  法兰 JPL 25×50(B)-16 RF b=30rf4018.5 RJ RF Sc�@5@40J250FBB5 R5 RJ2�1@50

JPL 25×50(B)-16 RF b=30rf4018.5 RJ RF Sc�@5@40J250FBB5 R5 RJ2�1@50

WN 1 1/2"-600 RF Sch80S

WN 300(B)-16 RF

DN 150-Sch120 C

3 M 700-6.4

SO 600(B)-10 FF

SO 50-16 RFRF129140SF5 RJS100FFF7 RF Sc�@5@40J250FBB5 R5 RJ2�1@50

SO 150(B)-16 RF

PL