1000s of products

Service + Calibration

Technical Support

Sealey Air Compressor 500l - 400v - 7.5hp 2-Stage

Sealey Air Compressor 500l - 400v - 7.5hp 2-Stage

£2,995.00
Skip to product information
Sealey Air Compressor 500l - 400v - 7.5hp 2-Stage

Sealey Air Compressor 500l - 400v - 7.5hp 2-Stage

£2,995.00
Shipping calculated at checkout.

Sealey Air Compressor 500l - 400v - 7.5hp 2-Stage is a heavy-duty three-phase compressor for professional bodyshops, garages and industrial workshops requiring dependable compressed-air supply.

Key Features

  • 500-litre receiver capacity
  • 7.5hp two-stage pump
  • 400V three-phase operation
  • Cast-cylinder pump construction
  • 145psi maximum pressure
  • Professional belt-drive configuration
Technical Support

Everything we sell is supported by our factory trained engineers at our premesis in Manchester or nationwide through our mobile service engineers.

Delivery + Returns

Returns details can be edited in the theme editor.

Supply voltage

Supply

400V

Warranty

Warranty

2 Years

Free delivery

Free Delivery

UK mainland delivery

Service engineers

Service

In-house engineers

Technical support

Support

0161 223 1843

Expert Advice

Mark Allen

Mark Allen says

This is a heavy-duty, two-stage belt-drive compressor for supplying compressed air across a professional bodyshop or fabrication workshop. In practice, the 500-litre receiver helps support repeated air tool use, blow-gun work and other intermittent demands without the motor starting every few seconds.

The 400V three-phase supply must be correctly installed, with suitable protection and cable sizing. Allow adequate ventilation around the belt guard and pump, as prolonged running generates heat. The cast-cylinder pump and alloy heads are intended to improve heat dissipation, but they still depend on clean intake air, correct oil and regular maintenance.

A common issue is installing a compressor of this size without properly planning the air distribution. Undersized pipework, restrictive couplings or excessive hose length can reduce pressure at the tool, even when the compressor is producing sufficient air. Moisture drainage from the receiver and filters also needs routine attention.

Used with the right pipework, electrical supply and maintenance schedule, it provides a dependable compressed-air source for demanding workshop operation.

Mark Allen, Senior Engineer

Bodyshop Equipment Engineers

WHY BUY YOUR EQUIPMENT FROM US?

Our team of welding experts at BWS is ready to assist you every step of the way. Whether you have questions about specific products, need guidance on selecting the right equipment, or seek welding-related advice, our knowledgeable staff is here to help.

We also have some of the most experienced engineers in the industry who are able to offer full technical support on top of what the manufacturers offer.

Find Our More

Technical Features

  • Heavyduty threephase compressor designed for professional workshops and industrial applications
  • Twostage pump system paired with a 7.5hp motor for efficient highpressure air production
  • 500litre receiver provides extended air storage for longer airtool operation and fewer motor startups
  • Full cast cylinders with alloy heads improve heat dissipation and support long pump service life
  • Heavyduty belt and flywheel drive system designed for reliable workshop use
  • Guarded belt and flywheel assembly improves operator safety and protects the drive components
  • Flywheel design forces cooling air over the pump during operation
  • Maximum free air delivery of 22.6cfm (640L/min) supports demanding air tools and workshop equipment
  • Air displacement of 29.3cfm (830L/min) provides a strong air input for sustained compressor performance
  • Maximum working pressure of 145psi (10bar) suits general workshop air systems and professional equipment
  • Automatic pressureswitch operation starts and stops the motor according to receiver pressure
  • Pressure relief system unloads the pump head during restart to reduce motor strain
  • 3/4in BSP female outlet provides connection to standard professional air distribution equipment
  • Suitable for bodyshop, vehicle repair, fabrication and general industrial workshop applications
  • Supplied with CE certification, test certificates and operating and maintenance documentation
  • Designed for connection to a suitable 400V threephase electrical supply by a qualified electrician
  • Synthetic 5W50 compressor oil is specified for operating temperatures from 5°C to 45°C
  • Serviceable beltdrive pump uses replaceable filters, belts, valves, gaskets, bearings and piston components
  • Builtin pressure gauge and safety valve support safe monitoring and operation
  • Tank drainage and inspection access supports routine condensate management and pressurevessel maintenance

Specification

Model
SAC55075B
Motor Output
7.5hp
Supply
400V
Phase
3ph
Minimum Rated Supply
16A
Speed
1280rpm
Air Displacement
29.3cfm (830L
Maximum Free Air Delivery
22.6cfm (640L
Maximum Pressure
145psi (10bar)
Receiver Capacity
500L
Outlet
3
Oil Capacity
1.57L
Dimensions
2000 x 700 x 1230mm (W x D x H)
Nett Weight
255kg
Oil Specification
Synthetic 5W50 oil
Operating Temperature
-5°C to 45°C

FAQs

What air delivery does the Sealey SAC55075B provide?
It has a maximum free air delivery of 22.6cfm (640L/min), with air displacement of 29.3cfm (830L/min). The 7.5hp two-stage pump and 500-litre receiver make it suitable for demanding professional workshop use, including sustained air tool operation.
What electrical supply does this compressor require?
The SAC55075B requires a 415V three-phase supply, with a minimum 16A rated connection; a 32A supply is commonly specified for installation. It must be wired and commissioned by a qualified electrician, with the motor rotation checked before use.
What pressure and outlet does the 500-litre compressor have?
Maximum working pressure is 145psi (10bar). The compressor is fitted with a 3/4-inch BSP female tap outlet, so the downstream hose, filter and regulator arrangement should be matched to the air tools and pipework being used.
What maintenance does this Sealey compressor need?
Drain condensation from the receiver regularly, check the oil level weekly, clean the intake filter at least every 50 hours, and replace the oil and air filter at 400-hour intervals. The 500-litre tank also requires regular internal and external inspection for corrosion, with pressure-vessel inspections arranged by the owner.