GB/T 12459  异径三通 DN 1400×1400×400-Sch100TR

DN 400×400×1400-Sch100 TR

20615WN250-600RF

BL 6"-900 RJ4“Ã

wn20-63fmb =468.5/6

SO 125(B)-16 RFd=80ebfc4e000

PL 80(B)-25 FF0650Rcrmpa-25

BL 40-300 RF Sch08=. SRF

47023 fm2400-2.5

WN100-16RF

WN25-300FM Sch40sF0.0 S@RF@443Rδs=64 rf 1Js-t;