STAY TUNED !
The evolution of the species
SMART breathing air compressors represent the evolution
of the Standard, one of the best known and best-selling
models in the world.
3-stage high pressure pumping unit.
- Monobloc in aluminum,
- Crankshaft in forged steel
- Splash lubrication
- Forged aluminum connecting rods
- Main roller bearings
- Roller connecting rod bearings
- 1st and 2nd stage cylinders in aluminum with hard nicasil coating
- 2nd and 3rd stage slide guide cylinders in aluminum with hard nicasil coating
- 3rd stage cylinder in special treated steel.
- Stainless steel intake and exhaust valves
- Interstage cooling pipes in stainless steel
- Separator after the 2nd and 3rd stage
- Safety valves after each stage
- Maxifilter filter system
The purity of the air is achieved.
The Maxifilter purification system enables reliable treatment of breathing air according to DIN EN 12021 when using original filter cartridges. Placed after the separator of the 2nd and 3rd compressor stages and before the pressure maintenance valve to create a first fundamental moisture barrier. The filtering capacity with inlet air at 20 ° C and 200 bar is 620m³.
Motor
One of the fundamental parts of the compressor: the motor transfers the motion to the pumping unit through the belt. On this model is available the single-phase or three-phase electric motor from 3 to 5, 5 kW.
Chassis
Essential and compact, this frame is designed to facilitate portability. The tilting motor-holder plate guarantees the constant tension of the V-belt. The protective casing in thermo-formed material conveys the cooling air on the cylinders and on the inter-stage pipes. This guarantees a high compression efficiency.
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.
The details that matter
The compressor features a compact
frame with handles for easy
transport.
Technical data
| Type of gas | Breathing air (EN 12021) – Nitrox 40% max O2 – Helium – Nitrogen |
| Intake pressure | Atmospheric max 300 millibars |
| Nominal pressure | 250 bar / 330 bar / 360 bar |
| Working pressure | 232 bar / 300 bar / 330 bar |
| Max working pressure | 232 bar (elettrico monofase) – 420 bar (elettrico trifase) |
| Permissible ambient temperature range | -10° C ÷ +40° C |
| Permissible altitude | 0 ÷ 1.500 m SLM |
| Max permissible tilt | 6° |
| Design | Basic |
| Operating voltage, standard | 230 V; 50 Hz / 400 V; 50 Hz |
| Other operating voltage
On three-phase electric motor at 60Hz the power (kW / Hp) increases by 20%.
|
230 V, 50 Hz / 440 V, 60 Hz
|
| Oil | Synthetic Coltri Oil ST 755 |
| Oil change interval |
1 year / 1,000 hÂ
|
| Frame | Steel thickness 1.5 mm – color RAL 5015 – Powder coating – scratch-resistant |
Compressor
|
Charging rate Measured during 10 liters cylinder filling from 0-200 bar tolerance +/- 5% at + 20° C ambient temperature. |
125 EM 125 l/min 7.5 m3/h 4.4 CFM |
210 EM 210 l/min 12.6 m3/h 7.4 CFM |
270 EM 270 l/min 16.2 m3/h 9.5 CFM |
235 ET 235 l/min 14.1 m3/h 8.2 CFM |
315 ET 315 l/min 19.9 m3/h 11.1 CFM |
| Purification system | Maxifilter | ||||
| Cooling air flow, min | 125 EMÂ 1.710 m3/h |
210 EMÂ 1.240 m3/h |
270 EM 1.400 m3/h |
235 ET 1.440 m3/h |
315 ET 2.180 m3/h |
| Weight Standard model. Weight and dimensions may vary depending on accessories. |
125 EM 93kg 205 lb |
210 EM 100 kg 220.4 lb |
270 EM 105 kg 231.5 lb |
235 ET 95 kg 209.4 lb |
315 ET 105 kg 231.5 lb |
|
Dimensions
(W x D x H)Â
|
100 x 46 x 70 cm 39.4 x 18.1 x 27.6 in |
Motor
| Power | 125 EM 3 kW 4 Hp |
210 EMÂ 4 kW 5.5 Hp |
270 EM 5.5 kW 7.5 Hp |
235 ET 4 kW 5.5 Hp |
315 ET 5.5 kW 7.5 Hp |
| Type | 125 EM Single-phase electric |
210 EM Single-phase electric |
270 EM Single-phase electric |
235 ET Three-phase electric |
315 ET Three-phase electric |
|
Operating voltage/frequency
Different voltage / frequency available on request.Â
|
125 EM 230 V, 50 Hz |
210 EM 230 V, 50 Hz |
270 EM 230 V, 50 Hz |
235 ET 400 V, 50 Hz |
315 ET 400 V, 50 Hz |
| Rated current | 125 EM 18 A |
210 EM 24 A |
270 EM 25.5 A |
235 ET 15 A |
315 ET 20 A |
| Speed (RPM) | 125 EM 2.800Â |
210 EM 2.800 |
270 EM 2.840 |
235 ETÂ 2.840 |
315 ET 2.840 |
| Protection class | IP55 (TEFC) |
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