1. Dobule flanged reducer 2. Standard: ISO ASME, ANSI. API, JIS, JPI. DIN. UNI. BS. AS etc 3. Size: DN150-DN100 4. Pressure: PN150-PN1500 5. Flange face: RF/MF/FM/ FF/tough face/groove face/ring jointed face 6. Surface treatment: Transparent/yellow/black anti-rust paint transparent oil 7. Package: Wooden case with standard seaworthy package 8. Primary advantage: High-temperature and high-pressure ressistant Special and irregular steel flange available as your customization. "Your satisfaction, all our Working drive and goal" Once cooperate with us, loyal partner of yours forever "Choosen Ruidatong, happy life begin from now on" Ruidatong pipe fitting" make your life easier.