GB/T 12459  等径四通 DN 20-8CRS

DN 20-8 CRS

wn80b-25msб‚Т

bl125-40 gвҖқТ–РІ δ

SP-3(B)-160RF06rf00-1.6rf35b=390 RF S

1 FM 550-1.6 δs=104

2 M 3000-1.620δ1=10 S=5B)- FM15S=703d1=1815FFF S=6

2 M1800-1.0F00SF b=0fb1.5/

1 RF 2000-0.25=14

1 RF 2000-0.60(B)-10 R41.6C=

2 RF 24