NB/T 47022  法兰 C-M 2400-1.6/20δ1=10

2 CM 2400-1.620δ1=10

WN 3"-150 SM Sch40S

1 FM 1100-0.6 δs=6

wn32-2500rf sc005n10-900

PL 300(B)-10 RF

BL 250-600 RF

WN 300-1500 RF S=30

PL 50(B)-25 RF

SO 1/2"-150 RF

wn20b-10rf150W 15-h�25/ Sch160¨FRF00AF5@°F1Ff@4 rfsRF@F S rf0-4.@Rh