HG/T 20592  法兰 PL 65(B)-6 FFD=1F/b)-0@4RF500 ST ScFFSF.5Sch12.5 RJ-RР�1@6RR

PL65B)-6FFD=1F/b)-0@4RF500 ST ScFFSF.5Sch12.5 RJ-R�1@6RR

WN25-16RF S=4

LWN 25-150 RF

WN 25(B)-25 RF S=3.5

PL600(B)-16RF HG/

SO 40(A)-16 RFpch40SF.5Sch12.5 RJ-A-1.6/6a0860�40@S5 RJr

WN 450-150 RFF5A)-40

wn80-300 rf b=72.

PL600-6RF-2059 sch5MF0R