GB/T 12459  弯头 DN 40-Ⅱ-390EL D=42 A=850 RF(B)-16 RFFM S=4

DN 40-Ⅱ-3 90EL D=42 A=850 RF(B)-16 RFFM S=4

1 RF 600-1.0

SO 50-150 RF

PL 250(B)-16 RF

PL 40(B)-6 RF

PJ/SE 125(B)-16 RF S=4

pl400A)-10RF012

WN25-16RFrf

SOP FF 10K 900A

PL 400(B)-16 RF=19j0s9f2=3 l=18 c=)0c2/ b=49Sch80SRF Sch400S=10 ã¦å8u=FRFch3=1