Safety Devices - Chicago Pneumatic CPVS 20 Product Description

ENERGY SAVINGS DURING UNLOADED OPERATION
The CHICAGO PNEUMATIC CPVS 20-30 does not idle and therefore consumes no
power during unloaded operation.

SAFETY DEVICES

High Pressure Sensor
- This protects the compressor against any abnormal rise in delivery pressure
Safety Valve
- Exhausts air if compressor runs over maximum working pressure
- Protects the compressor and down stream equipment from potential damage
Automatic Blow-Down Valve
- De-pressurizes compressor when compressor stops
- Prevents accidental starting of the compressor under load
Minimum Pressure Valve
- Ensures optimum internal pressure for oil circulation before producing compressed
air
- Prevents potential airend failure and optimum oil separation
Thermostatic Bypass Valve
- Ensures oil reaches optimum temperature before passing through the cooler
- Prevents thermal overload on the main motor during start up on cold days.
Non-Return Valve
- Stops reverse rotation of airend/motor
- Ensures no air/oil mixture exhausts through the air inlet filter on shutdown
High Temperature Thermostat
- Stops the compressor when air/oil temperature exceeds design parameters
- Reduces risk of airend failure
Motor Thermal Overload
Thermal overloads are fitted to both the main and fan motors to prevent burn outs
and expensive rewinds.
CPVS 20-30 Product Description