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PRESSURE CONTROL
Back pressure regulators UV 1.2
Valve for simple control tasks

Technical data

Connection DN 25 - 200
Nominal pressure PN 16 - 40
Inlet pressure 2 - 40 bar
Kvs-value 6 - 125 m³/h
Temperature 300 °C
Medium liquids and gases
*RT = -10 °C up to + 50 °C

Description

Self-acting back pressure regulators are simple control valves offering accurate control while being easy to install and maintain. They control the pressure upstream of the valve without requiring pneumatic or electrical control
elements.
The UV 1.2 backpressure regulator is a spring-loaded, seat-controlled proportional control valve balanced by diaphragm, piston or bellow. It is designed for simple control tasks and medium volumes. The valve cone can be
fitted with a metallic or soft seal.
The inlet pressure to be controlled is balanced across the valve seat by the
force of the valve spring (set pressure). If the inlet pressure rises above the
set pressure, the valve opens. With decreasing inlet pressure the valve control orifice reduces. When the pipeline is depressurised, the valve is closed.
Rotating the adjusting screw clockwise increases the inlet pressure.
These valves are no shut-off elements ensuring a tight closing of the valve.
In accordance with DIN EN 60534-4 and/or ANSI FCI 70-2 they may feature
a leakage rate in closed position in compliance with the leakage classes III
or V.

Options

» For toxic or hazardous media: sealed bonnet complete with leakage line
connection (incl. sealed adjusting screw). Must be installed with a leakage line capable of draining leaking medium safely and without pressure
» Various diaphragm and seal materials suitable for your medium
» Special versions on request

Technical specification