HG/T 20592  法兰 PL 100(B)-10 RF120Sch1603.76(a=1000 RF S=30/ B=80 K=1

pl100(b)-10 RF120Sch1603.76(a=1000 RF S=30/ B=80 K=1

PL250-10RF b=3=5.08amS.400=CF

3 M600-2.50615l10rSch10SB-25

PL600(A)-16 RF C=42 D=1175 K=1120 L=30 n=28 sch160Sc/50R

PL250(B)-16 RFS=3.

PL600(A)-16 RF C=42 D=1175 K=1120 L=30 n=28 sch160Sc/50

bl250b