HG/T 20592  法兰 PL 65-40 RF-K=1906 RB

Pl65-40Rf-K=1906 RB

WN 50(B)-16 RF

WN200-40 FM S=1

WN 80(A)-25 RF S=5.6

WN 500-900 RF S=13.2

WN 100(B)-16 RF

SO 2"-300 RF

WN2"-150 FF SCH80SF.6FmRch85&@rT RJF9@R=9 RJrvletFh

BL 20-16 RF

PL 25(B)-16 RF gR52RF1 10�@19CH405F@aF 5h40S0.40(lM