HG/T 20592  法兰 WN 1600(B)-25 FF0-25 FMFFпҝҪпҝҪ-R.5Р В Р Т’

WN 1600(B)-25 FF0-25 FMFFпҝҪпҝҪ-R.5Р В Р Т’

WN 2"-150 RF S=5.6

WN100-300RF Sch40

47021 RF 550-1.0 δ=54

WN100-150 RF Sch40

pl 50-16 RF

WN25-150 RF

WN 1 1/2"-150 RF S=5

BL 6"-150 RF

1 FM 1400-0.25 δs=8SF�=rfF20=6=2600f/@