... 600 900 1500 and 2500, pn :6 10 16 25 40 64 160 ,5K-40K. 7. Sealing surface : FF ,RF, LJ ... -washing-packaging-Ex-work. 9. Used for : petroleum,chemical,power,gas,water,linepipe, heat exchanger,shipbuilding,construction 10. Tolerance:not less ... Business Company By Tianjin City . Our family:Contact me ! schedule 40 stainless steel pipe fitting flange