Back Pressure Regulators Back Pressure Regulator - UV 4.5 | Mankenberg Back Pressure Regulator - UV 4.5 | Mankenberg The Back Pressure Regulator UV 4.5 by Mankenberg is a precision device designed to maintain consistent upstream pressure in various industrial applications. It ensures optimal system performance by automatically adjusting to fluctuations in pressure, thereby protecting equipment and maintaining process stability. The UV 4.5 is known for its robust... View Flanged PN 40 DIN 1.0619