HG/T 20623  法兰 LWN 900-150 RF S=11

LWN900-150 RF S=11

DN80-PN16 PL/P-A RF Ⅱ S=4

WN 80-150 RF S=5.6

PL65(b)-16RF

SOP RF 10K 500A

WN FF 10K 250A Sch40Srf6 RF00-1.

WN 15(B)-63 RF S=5

SOP FF 10K 500A

WN 25(B)-16 RF SCH40S

3 -FM 1300-2.5/108-22040Sd=1010A RF Ⅱ S=4b)-16rf(B)-3S=10c=4amp