46-5/46-6 - Differential pressure limiters with flow limitation

The Type 46-5 (and 46-6) self-operated differential pressure limiters with flow limitation for installation in the return flow pipe are designed to work in district heating supply networks with an indirect connection.

The regulators consist of a valve and an actuator with adjustable restriction (orifice). They limit the differential pressure to the set point adjusted at the actuator and limit the flow rate to the value adjusted at the restriction.

The Type 46-6 is a differential pressure regulator with set point adjustable in wide range (0.2 to 2.0 bar).

The Type 46-5 is a differential pressure regulator with a fixed set point determined by the springs in the actuator.

• Nominal diameters: DN15 to DN50
• Pressure classes: PN16/25
• Materials: Red brass CC491K/CC499K, Spheroidal graphite iron
• Temperature range: up to +150°C