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Selection Guide

Precision pressure regulators LRP, LRPS

The precision pressure regulators LRP and LRPS are suitable for sensitive applications that require a hysteresis of 0.02 bar. The output pressure p2 is adjustable within the pressure regulation range.
These regulators allow the precise pressure to be set when used statically as well as dynamically. Operating pressure fluctuations are almost entirely compensated. They are characterised by a good response in the event of rapid changes to the operating pressure and flow rate.
They are available in sizes 40 mm with a 1/8" connecting thread and 300 l/min standard nominal flow rate as well as 50 mm with a ¼" connecting thread and 2,300 l/min standard nominal flow rate.

Electric pressure regulators PREL

Electrically controlled pressure regulator with a pressure regulation range of up to 40 bar for high-pressure applications. The output pressure of the electric pressure regulator PREL is determined by the proportional pressure regulator VPPL via an integrated pressure sensor and compared internally to the setpoint value. In case of deviations, the VPPL controls the regulator of the PREL until the output pressure reaches the setpoint value. The variant PREL-186-…-40CFX2 is additionally equipped with the two-channel shut-off valve PAHL. A soft-start function is integrated as standard. Pressure gauge connections on the front and rear.

Regulators, individual devices

The precision pressure regulators of the LRP series guarantee a precise pressure setting. Fluctuations of the input pressure are almost entirely compensated by the LRP. In addition, they offer a good response to rapid changes of the input pressure and flow rate.
They are available in two sizes for the most common standard applications.