GB/T 12459  等径三通 DN 40-Ⅱ-4TSmpampam

DN 40-Ⅱ-4 TSmpampam

20615 wn400-150rf B=376.4 SCH70-6RF7 SS0 R

WN25b-160RFÉ�C=42 D=1175 S=5´0-5

bl150(b)-16 rf b=/

DN80/PN25/11B8gM.0mpampampampampa(b)-mp

3 FM 700-1.0 δ0=105-145h16r5WNSchampa

BWN1050-150RF1600600F0f

BL250-150TRF/0015/.5

so 20