NB/T 47022  法兰 G 450-2.5/592L50A-7-14H40 b=5

2G450-2.5592L50A-7-14H40 b=5

bl350-10 tRF10205926CH2WN15-600

DN 100-Ⅱ-4.5 TS5B)-25 RFf5R-0

SO 1600(B)-16 M8/�б╘п▒FH4 K=85(b)-2.5rfFN200-1m

WN400-150 RF

1 RF 500-1.6 δs=8

1 M 350-1.6 δs=4

法兰WN200-150 RF,S=10

WN100-300 RF B=100/

PL200-1