GB/T 12459  异径三通 DN 400×400×200-Sch10STR

DN 400×400×200-Sch10S TR

PL400(B)-10 RF

PL350(B)- 16 RF

PL80(B)-16 RF BB=49.1

3 A3

SO65-1500 FF

3 A2

PL80(A)-10 RF f1=3 n=4

AWN80-900 RJ

SO20(B)-16 FM3(b/10R S00RF50 RF Sch10S f=1.8ch100H1=3Â68.3 B-10 RF0-/040=3 F.68-115F-0-0.60Sch3-;aFF0 fm0- bƒ