The FORCE FOUR model meets professional needs that require large charging capacities in hot, poorly ventilated environments or tropical countries. It is equipped with an intuitive control panel and electric motor. The pumping unit, a choice of 3 most powerful, is exposed to ensure a better cooling cycle. It is equipped with the Hyperfilter purification system mounted on a stand-alone system, with automatic condensate drainage. For longer filter life, the Tornado high pressure dryer is recommended. Available as options: the Presec system for filter saturation control, Megafilter oversized filter cartridges, and 2- or 4-outlet remote refill panel.

4-stage high pressure pumping unit.

• Monobloc in aluminum,
• Crankshaft in forged steel
• Forced lubrication on the 4th stage cylinder by gear pump
• Oil filtration
• Aluminum connecting rods
• Main roller bearings
• Roller connecting rod bearings
• 1st, 2nd and 3rd stage cylinders in special cast iron
• 4th stage cylinder in special treated steel.
  
• Low oil pressure switch.
• Stainless steel intake and exhaust valves
• Interstage cooling pipes in stainless steel
• Separator after the 2nd, 3rd and 4th stage
• Safety valves after each stage
• Oil level sensor
• Prepared for Hyperfilter filter system

Purification at the highest level.

Placed after the last compressor separator and before the pressure holding valve, the Hyperfilter purification system enables reliable treatment of the breathing air according to DIN EN 12021¹ when using original filter cartridges. The separator present between the 2nd and 3rd stage of the purification circuit allows to extract the greatest possible humidity. The filtering capacity with inlet air at 20 ° C and 200 bar is 4300 m³.

Compressor control and automatic condensate drainage system

• Motor protection switch.
• Fixed calibration pressure switch 232 or 300 bar.
• Autostart with pressure differential 15 bar. (optional)
• Transformer.
• Drainage of all separators between individual stages and also of the final separator during compressor operation (standard drainage interval every 15 minutes for a period of 6 seconds).
• Timer for automatic condensate drain.
• Interstage pressure gauges display the working pressure for the individual compression stages. This pressure information allows you to check the tightness of the valves (inlet and outlet) of each stage and to quickly identify potential sources of failure.

Interstage pressure gauges are mounted in the compressor frame.

Open meets professional needs that require large charging capacities in hot, poorly ventilated or tropical countries. It is equipped with 4 front filling connections for high pressure hoses, an intuitive control panel and an electric motor. The pumping unit, chosen from the 4 most powerful, is exposed in the rear part of the structure to ensure a better cooling cycle. For longer filter life, the Tornado high pressure dryer is recommended. Available as optional: the Presec system for filter saturation control or the SAM system for multigas analysis and remote charging panel.

4-stage high pressure pumping unit.

• Monobloc in aluminum,
• Crankshaft in forged steel
• forced lubrication on the 4th stage cylinder by gear pump
• Oil filtration
• Aluminum connecting rods
• Main roller bearings
• Roller connecting rod bearings
• 1st, 2nd and 3rd stage cylinders in special cast iron
• 4th stage cylinder in special treated steel.
• Stainless steel intake and exhaust valves
• Interstage cooling pipes in stainless steel
• Separator after the 2nd, 3rd and 4th stage
• Safety valves after each stage
• Oil level sensor
• Prepared for Hyperfilter filter system

Purification at the highest level.

Placed after the last compressor separator and before the pressure holding valve, the Hyperfilter purification system enables reliable treatment of the breathing air according to DIN EN 12021¹ when using original filter cartridges. The separator present between the 2nd and 3rd stage of the purification circuit allows to extract the greatest possible humidity. The filtering capacity with inlet air at 20 ° C and 200 bar is 4300 m³.

Electrical cabinet

• ON / OFF switch with motor protection switch.
• Digital electronic pressure switch that stops the compressor at the final pressure.
• Drainage of all separators between the individual stages and also of the final separator during compressor operation
• Timer for automatic condensate drain.
• Integrated no-load start (automatic drain every time the unit is switched off).
• 5 liter condensate collection tank, with silencer; capacity of about 3 liters, for the ecological disposal of condensate.
• Interstage pressure gauges display the working pressure for the individual compression stages. This pressure information allows you to check the tightness of the valves (inlet and outlet) of each stage and to quickly identify potential sources of failure.

Chassis

Open frame with vertical development designed to facilitate maintenance operations. The oil level and drain reported outside, the control console equipped with inter-stage pressure gauges, the oil pressure gauge, the internal temperature indicator, the presence alarm and incorrect phase sequence, the lack alarm oil and the start, stop and manual condensate drain commands allow easy management and maintenance of the compressor.

Simplicity comes standard.

Imagine having a compressor capable of great performance and endowed with extraordinary solidity.

What would all this be without absolute simplicity in managing it?

We believe that innovation is for this: to make everything simpler.

The highest air quality is the goal of a Coltri compressor.

Air purity and quality are two essential characteristics of our compressors. The air you breathe from Coltri compressors complies with the EN 12021: 2014 standards: this is why you can work, have fun and exercise with them in absolute safety.

Hour Meter (only for Single Phase Electric Motors)

Frame color Black RAL 9005

Technical specifications.
Type of gas
Breathing air EN 12021 – Nitrox 40% max O2 – Helium – Nitrogen

Suction pressure
Atmospheric max 300 millibars

Pressure rating
230 bar / 330 bar

Operating pressure
230 bar / 330 bar

Max working pressure
330 bar

Allowable temperature range
-10° C ÷ +40° C

Allowable altitude range
0 ÷ 2,000 m SLM

Maximum allowed inclination
6°

Oil
Coltri ST 755 Synthetic Oil

Oil change interval
1 year / 50 h

Frame
Steel – Color Black RAL 9005 – Powder coated – Scratch resistant