GB/T 12459  同心异径管 DN 80×65-3.05RCs=

DN 80×65-3.05 RCs=

WN25(A)-16 FF D=100 K=75 L=15 C=14 H=34 NA=42 AA=27.2 S=2.9

47023 FM900-2.5/60-145

3 FM 700-2.5 δ0=10

SO 6"-150 RF

WN 100-150 RF

WN 40-300 RF Sch4040SoWNFRⅡa

PL200-10RFR020510hHq2

SO 80-300 RF

3 FM 700-2.5 δ0=12S2FFe8iF0S