The Bernardo AC38/VER/270/850/D vertical two-stage compressor offers a 270-liter tank, an effective flow rate VDMA 4362 of 700 l/min, a maximum pressure of 10 bar, 2 cylinders with 2 stages, a speed of 1150 rpm, a sound level of 76 dB(A), and a 5.5 kW (7.5 HP) three-phase 400V motor. Weight 151 kg. Distributed in Italy by Krollit as the official Bernardo distributor since 2007.
-
Tank capacity: 270 liters
-
Suction capacity: 850 l/min
-
Effective flow rate (VDMA 4362): 700 l/min
-
Maximum pressure: 10 bar
-
Cylinders / Stages: 2 / 2
-
Speed: 1150 rpm
-
Sound level: 76 dB(A)
-
Motor: 5.5 kW (7.5 HP) – 400V three-phase
-
Weight: 151 kg
Who uses the AC38/VER/270/850/D and for what purpose
The Bernardo AC38/VER/270/850/D is a two-stage vertical compressor with a 270-liter tank and an effective flow rate of 700 l/min at 10 bar: sized for continuous professional use in mechanical workshops, body shops, painting facilities, carpentry workshops, and production centers that require a constant supply of compressed air for multiple simultaneous tools. The low speed (1150 rpm) ensures a long service life and a contained sound level (76 dB(A)) compared to high-speed compressors. The two-stage compression produces cooler and drier air than single-stage, reducing condensation in the circuit. In Krollit customers' workshops, it is used as a central pneumatic system for the workshop.
Who is the Bernardo AC38/VER/270/850/D for
| Profile |
Compatibility |
Reason |
| Hobbyist |
Not suitable |
Requires three-phase 400V and has industrial workshop dimensions. For hobby use, consider the oil-free compressor AC/PRO/250/24/F/W in single-phase. |
| Professional workshop / body shop |
Ideal |
700 l/min at 10 bar: sufficient to power 3 standard pneumatic tools simultaneously and continuously. |
| Industrial production |
Ideal |
270 L tank and low speed (1150 rpm) for continuous cycles without overheating. |
Not suitable for: domestic or hobby use; installations without three-phase 400V; pressures above 10 bar.
Technical specifications
| Specification |
Value |
| Tank capacity |
270 liters |
| Suction capacity |
850 l/min |
| Effective flow rate (VDMA 4362) |
700 l/min |
| Maximum pressure |
10 bar |
| Cylinders / Stages |
2 / 2 |
| Speed |
1150 rpm |
| Sound level |
76 dB(A) |
| Motor power |
5.5 kW (7.5 HP) |
| Power supply |
400V / 50 Hz – three-phase |
| Dimensions (L × W × H) |
730 × 600 × 1980 mm |
| Weight |
151 kg |
Compliance and safety
| Specification |
Value |
| Marking |
CE |
| Directive |
Pressure Equipment 2014/68/EU |
Logistics
Bernardo shipping: 5–9 working days (7 days to the South). At 151 kg, coordinate with Krollit for unloading equipment. Original spare parts available with 3–5 working day shipping. Customer support in Italian available.
Frequently Asked Questions
What is the difference between a single-stage and two-stage compressor?
In a single-stage compressor, the piston compresses the air in a single stroke to the final pressure. In a two-stage compressor (AC38/VER/270/850/D), the first stage compresses to an intermediate pressure, the air cools in an intercooler, then the second stage brings it to the final pressure. Result: cooler air (less condensation), more stable final pressure, reduced wear, longer lifespan. For continuous professional use, two-stage is always preferable.
How many pneumatic tools can it power simultaneously?
With an effective flow rate of 700 l/min at 7 bar, the compressor can continuously power tools with a total consumption of up to approximately 595 l/min. As a guide: pneumatic angle grinder 180–250 l/min, HVLP spray gun 100–150 l/min, pneumatic wrench 120–180 l/min.
Does it require periodic maintenance?
Yes: oil change every 250–500 hours (according to manual), condensation drainage from the tank (after each use), air filter cleaning (monthly), drive belt check (biannually). Original Bernardo oil, filters, and maintenance kits available with 3–5 working day shipping.
Does it require a fixed installation or can it be on wheels?
The AC38/VER/270/850/D is designed for fixed vertical installation. The vertical structure reduces floor space — ideal for workshops with limited space. Contact Krollit for installation requirements and optional accessories.
What is the difference between AC35, AC38 and AC50?
AC35/270/600/D: 4.0 kW, flow rate 480 l/min, weight 119 kg — the lightest. AC38/VER/270/850/D: 5.5 kW, flow rate 700 l/min, vertical, 151 kg — the most vertically compact. AC50/VER/270/1200/SD: 7.5 kW, flow rate 840 l/min, vertical, 225 kg — the most powerful. The choice depends on the required flow rate and available space.
