Integrated Air Compressor Industrial Screw Portable Single Phase 220V Small 7.5KW Silent Car Use 10HP With Gas Tank

An integrated 7.5kW / 10HP portable rotary screw air compressor with single phase 220V power, built-in air receiver and silent enclosure is designed for car wash bays, auto detailing studios, tire shops, mobile service vans, small garages and light industrial workshops. The all-in-one package combines screw airend, motor, drive, aftercooler, air tank, dryer, filtration and PLC control in one mobile cabinet. For locations without three-phase power, the 220V single phase electrical design allows installation on a dedicated commercial circuit, while the integrated tank and silent panels support indoor customer-facing areas, forecourt tire inflation and mobile car care.

This class is best positioned as a steady-duty alternative to small piston units: lower pulse, automatic control, smaller footprint and better performance for foam systems, blow-off drying, tire inflation, light pneumatic tools and small surface-prep work.

Integrated 7.5kW / 10HP Specification Table

Why Integrated Screw Is Better Than Piston For Car Use

Small piston compressors are cheap and simple, but they pulse, overheat under continuous duty and require more maintenance for high-cycle car wash work. An integrated 7.5kW screw package gives:

• Continuous flow with low pressure ripple, better for foam cannons and blow guns.

• Automatic VSD or load/unload control, no manual belt adjustments on daily duty.

• Integrated tank, dryer and filter in one factory-tested cabinet.

• Lower perceived noise in customer areas when enclosed and inverter-controlled.

• Better energy control during variable car wash demand—foam in the morning, blow-off at noon, tire checks in the afternoon.

• Smaller footprint than separate compressor, dryer and tank assemblies.

For a busy detailing studio or forecourt wash, screw reliability usually outweighs the higher initial cost of a piston unit.

Car Wash And Detailing Application By Pressure

Most car wash functions do not need maximum pressure. The compressor should be regulated by task.

The 7.5kW screw should not be set to 12 bar for all car wash outlets. Keep main wash regulated at 7–8 bar and use a separate higher-pressure branch only for truck tires or specialty tools.

Single Phase 220V Electrical Requirements

A 7.5kW / 10HP single phase compressor draws substantial current. Installation must be planned, not guessed.

• Confirm voltage class: 220V single phase 50Hz or 220V/208V single phase 60Hz by destination .

• Estimate full-load current from motor efficiency and power factor; have an electrician calculate breaker, conductor size and voltage drop. A 7.5kW single phase load can require a large dedicated circuit depending on wire length, starting method and local code.

• Use PM VSD or soft starter to reduce inrush on single phase supply; fixed-speed direct-on-line may trip weak circuits .

• Install dedicated grounding, phase protection, overload, high-temperature and overpressure shutdown.

• Avoid sharing the circuit with heaters, boilers, EV chargers or large pumps.

• For long cable runs, increase conductor size to prevent voltage drop; low voltage reduces motor torque, cooling-fan performance and VSD stability.

• For mobile car wash trailers, confirm generator output, starting kVA and VSD harmonic compatibility before commissioning.

As a planning reference only, a 7.5kW single phase unit may approach roughly 34–40A at ideal full-load conditions, but real nameplate amps vary with motor efficiency, power factor, VSD losses and starting method—always use the equipment nameplate and local electrical code.

200–240L Integrated Tank Benefits

The built-in receiver is not only storage; it defines system stability.

• Absorbs surge when multiple blow guns, foam cannons or tire inflaters operate together.

• Reduces compressor start/stop or load/unload cycling.

• Improves dryer inlet consistency after the aftercooler.

• Allows smaller installed motor than a tankless system trying to cover every instantaneous spike.

• Supports short peak demand without raising main compressor pressure.

• Precipitates moisture before filtration; automatic drain keeps condensate under control .

For car wash only, 200L is usually enough. For combined tire shop, detailing and light blast, 220–240L gives better recovery .

Drying And Filtration For Car Air

Wash bays produce moisture from compressed air cooling, and oil-injected screws produce small oil aerosol. Both must be controlled.

For oil-injected integrated screws, coalescing filtration is required before desiccant and before any paint/detailing work that demands low oil residue. If the studio also does food-grade, pharmaceutical or breathing-air support, request oil-free validation instead of standard oil-injected treatment.

Silent Portable Design

A car wash or detailing studio near customers needs low noise, not just “enclosed.”

• Acoustic steel panel or composite cabinet with sound-absorbing insulation .

• Vibration isolators under airend, motor, tank and cooler.

• Low-speed EC or PM-controlled cooling fan; variable fan saves energy and reduces noise at part load.

• PM VSD control avoids full-speed unloaded running; enclosed 10HP PM units can be arranged around 56–60 dB(A) depending on model, while standard silent fixed-speed designs may be closer to 62–70 dB(A).

• Directional louvers and rear clearance for intake/discharge; do not place the cabinet against a wall with zero airflow.

• Casters and handle for in-shop movement; skid frame or van bracket for mobile detailing .

Mobile Car Use And Van Mounting

For mobile detailers, the integrated 7.5kW single phase unit can be mounted in a trailer or van if power is available.

• Use 220V single phase shore power, inverter-generator or dedicated mobile power supply sized for running kW and starting kVA.

• Secure the tank, airend and electrical panel with vibration mounts and crash-compliant brackets.

• Keep intake away from soap mist, dust, exhaust and water spray.

• Use short, large-bore hose runs; long thin hoses cause pressure drop at the foam gun or blow nozzle.

• Add oil-water separator for condensate; avoid draining tank water onto customer driveways.

• For pure 12V/24V mobile inflation, a 7.5kW AC screw is oversized; use DC tire inflators for light roadside service and reserve the integrated screw for trailer-based detailing.

Maintenance Program

Frequently Asked Questions

Is 7.5kW / 10HP enough for a car wash?

For foam, blow-off, tire inflation, door/pneumatic controls and one or two detailing tools, yes. For multiple simultaneous full-vehicle touchless dryers, several bays and heavy pneumatic sanding, a larger screw or multi-unit system may be required. Always size by total cfm at regulated pressure, not by horsepower alone.

Can it run on standard 220V single phase?

It can run on dedicated 220V single phase if the breaker, conductor, grounding and starting method are correctly sized. A 10HP single phase load is not a plug-and-play appliance; use VSD or soft starter and have an electrician verify the circuit.

What tank size is best for car detailing?

200L is good for single-bay studios and mobile trailers. 220–240L is better for combined car wash, tire shop and light blast because it buffers more surge and reduces cycling.

Do I need a dryer for car washing?

Yes. Even if tools tolerate some moisture, foam quality, blow-off drying and winter outdoor lines improve with a refrigerated dryer. Desiccant is recommended for outdoor winter inflation, humid climates and any blast/primer work.

How silent is the integrated unit?

Enclosed PM VSD models can be arranged around 56–60 dB(A) at 1 meter depending on pressure and cooler speed, while standard silent fixed-speed units may be closer to 62–70 dB(A). Request the tested value at contractual pressure, not an idle-showroom number.

What pressure should foam cannons use?

Usually 6–8 bar. Running the whole system at 12 bar wastes energy and can damage foam seals. Regulate each bay: 6–8 bar for foam, 7–10 bar for drying, 10–12 bar only for truck tires or specialty tools.

Can this be used for small sand blasting?

Yes for cabinets, wheel spotting, glass bead and light parts blasting. Full-size 3/8in or 1/2in pressure-pot nozzles need much larger cfm than a 7.5kW screw can supply. Size by nozzle cfm at working pressure, not by maximum bar.

Is VSD necessary for car wash?

Not mandatory, but beneficial. Car wash demand fluctuates through the day; PM VSD reduces unloaded power, soft-starts on single phase 220V and maintains tighter pressure. Fixed-speed models with a proper 200L+ tank can work for steady single-shift operations.

What filtration is required for detailing and spray work?

Coalescing filter after the receiver for oil control, particulate afterfilter for dust, automatic drain for condensate and optional activated carbon for odor-sensitive detailing. For coating/paint prep, add desiccant and validate ISO 8573-1 air purity class.

How should the compressor be installed in a small garage?

Place it on a flat base with rear cooler clearance, connect a dedicated 220V circuit, set regulated branches for foam/dry/tire, install auto drain to an oil-water separator, and keep intake away from soap mist and vehicle exhaust. Integrated units arrive pre-piped; site work is mainly power, outlet air, condensate and ventilation.

Product Description For Export Listings

7.5kW / 10HP integrated portable rotary screw air compressor, single phase 220V, silent enclosed cabinet, 200–240L air receiver, PM VSD or fixed-speed drive, air-cooled aftercooler, refrigerated dryer, coalescing and particulate filtration, PLC/HMI control and casters for mobility. Designed for car wash foam systems, auto detailing blow-off, tire inflation, small garages, mobile detailing trailers and light pneumatic tools. Delivers approximately 1.0–1.2 m³/min at 7–8 bar, 0.85–0.95 m³/min at 10 bar and 0.75–0.85 m³/min at 12 bar depending on airend and drive. Low-noise package supports indoor studios and forecourt bays; single phase electrical design simplifies installation without three-phase power. Include regulated branches for foam, drying and tire service, automatic tank drain, coded receiver relief and preventive maintenance schedule to ensure dry, oil-controlled compressed air for automotive washing and detailing.