HG/T 20592  法兰 PL 65-2.5 FFF=≥Sch80S040 RF S=4 S==8sch RF=1.0.

PL65-2.5FFF=≥Sch80S040 RF S=4 S==8sch RF=1.0.

BWN 840-150 RF.002/

WN700-10m011500J

DN 580×580×800-Sch40 TR

WN300-25Rf S=8

47021 ff700-1=3

XKA182.5/48-1309-150

DN100-Sch40 90EL0h40.0C=

WN15(B)-100 RF S=4

3 A7-15f b=4 S=60 RFS86 sown20/60 î´=840S