Control systems for Oil Injected Screw Compressors

Control systems

for oil injected screw compressors

Proportional controller
Short profile

Providing proportionate outlet pressure depending on inlet pressure.

Positive acting controller: Supplies proportionally increasing signal with increasing inlet pressure

Negative acting controller: Supplies proportionally decreasing signal with increasing inlet pressure

Technical data
Venting or blow down valve
Short profile

At idling the valve releases air to lower the discharge pressure and reduce energy consumption.
At stop the valve releases the discharge pressure inside the compressor for restart.

Normally open valve, activated pneumatically by integrated solenoid valve.
Add-on option for HOERBIGER suction controllers

Normally closed valve, activated with pneumatic signal.

Solution for portable compressors only.
Normally open valve, activated via proportional pneumatic signal. 

Technical data
Servo cylinder
Short profile

Pneumatic cylinder usable inside of compressors withstanding high temperature and harsh environmental conditions.
Add-on option for HOERBIGER suction controllers. 

Technical data
 PR — Proportional Controller
 PR – Proportional Controller
ARC — Proportional Controller
ARC — Proportional Controller
VVF — Venting Valve
VVF – Venting Valve
TF — Thermostatic valve
AVP – Venting Valve
Servo Cylinder
Servo Cylinder

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