Back Pressure Regulators Back Pressure Regulator - UV 4.5 ASME | Mankenberg Back Pressure Regulator - UV 4.5 ASME | Mankenberg The Back Pressure Regulator - UV 4.5 ASME by Mankenberg is a precision-engineered device designed to maintain consistent upstream pressure in various industrial applications. It is constructed to meet ASME standards, ensuring high reliability and safety. The regulator is suitable for handling gases and liquids, providing accurate pressure control to... View Flanged 150 lbs 300 lbs ANSI 1.0619