GB/T 12459  弯头 DN 100-Sch4090EL8F0-1.570r.CH801 S=270.

DN100-Sch40 90EL8F0-1.570r.CH801 S=270.

SOP FF 5K 500A

WN 10"-150 RF Sch40S

WN80(B)-16 RF S=5.490

BL 450(B)-16 RF S=10

SO25(B)-16RF b=180sH20

5 M 1000-2.5 δ0=14

WN 600(B)-16 RFFcH1FMN150-1

WN80-300 RF S=6 H1=12

so125-300rf=40.0 S=40Sch40FS8δ0