GB/T 12459  异径三通 DN 1500×1500×800-Sch140TR

DN 800×800×1500-Sch140 TR

PL400(B)-10 RF40CH40=266 C=1392f u

WN 40-600 FM0rf500 Rj Sch1S=≥56

SO 250(A-25 RF b=2216016=6TSc

WN250(a)-16RF0S0 RF RF6F D=1290 K=

bl500-600 Rj Sh1602

SO15(B)-40 m wn500-1

WN6"-150 RF Sch80S1=141.6 δ0=14266

WN50-