W2-Armaturen Fertigung
control valves ALLO®

Automatic pressure regulators ALLO® 

Self-medium-controlled pressure regulators as pressure reducers or relief valves – maximum accuracy and operational reliability.

automatic pressure regulators ALLO®

Precise pressure control

Reliable control even during load changes and process fluctuations.

Control valves for precise process control

Automatic pressure regulators for stable operating conditions

The self-operated pressure regulators in the ALLO® series cover nominal diameters from DN 25 to DN 1000, pressure ratings from PN 10 to PN 320, and are designed for steam, gas and liquid media under extreme operating conditions.

Characteristic curves & relaxation

Linear or equal percentage – with single-stage expansion for stable control characteristics.

Very low leakage

Double seat ≤ 0.1% KVS, single seat ≤ 0.05% KVS; according to DIN EN 1349 Class 3.

Series compatibility

Available as series C, U, N and AR – flexible in new and existing plants.

Technical data for ALLO® automatic pressure regulators

Below you will find the technical specifications for ALLO® automatic pressure regulators. This information will help you quickly find and select the right model for your system.

nominal diameters
DN 25–1000
Pressure stages
PN 10–320
Temperature range
TS max.510°C
Design
in accordance withDGRL 2014/68/EU
W2-Armaturen Fertigung
Enquiry about ALLO® automatic pressure regulators

Tailor-made solution for your pressure control

Whether pressure reduction or overflow – we will find the right control solution for your system.