Lined reducing flange serves the similar purpose as reducers but it is smaller and can be easily accommodated in pipelines where space is a constraint. Various sizes are available from 25DN to 300 DN. PFA, FEP and PP linings are available depending on application.
FEP can withstand temperature up to 180 °C, PFA up to 200°C. The temperature threshold for PP is lower at 100°C. Outer body is fabricated as per ASTM A 395 standard, SCH 40. Flange is as per ANSI Class 150#.