HG/T 20592  法兰 PL 125(B)-16 FF K=200 C=20 B1=/0

PL125(B)-16 FF K=200 C=20 B1=/0

WN 20-900 RJ Sch40S n=72 a=6WN 200-=53=86.00/

wn600-1500rj s=32.0550-300RF.0/RF

WN 40-300 G)-10 16Mn802 A6002F120 S=16

WN600-16RFRF C=19.59170s=3)0(B)-

Pl 10(B)-16 RFm=0c=32/ SCH2100 RF RF=4FmpampampampamT20615-201

b