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Oil Free Liquid Bulk Compressor GD Series

The GD Series of truck mounted rotary vane compressors are lightweight, compact and designed for the oil free discharge of bulk liquids from general purpose tankers, e.g. liquid food stuff, solvents, acids, alkalis, hot bitumen, resins and other chemicals.

Compressors are the fastest method of discharging low viscosity liquids and with no component compatibility issues, they are also the most adaptable for the majority of liquids carried on a road tanker. 

Contaminant-Free Transfer
Oil-free discharge protects product quality 

Fast Liquid Unloading
Flow rates up to 150 m³/h 

Compact & Lightweight
Designed for modern tanker installations 

Proven Reliability
30 years of rotary vane technology

Key Specifications

Flow Capacity (m³/h)

58 - 145

m³/h

Operating Pressure (bar)

0 - 2.5

bar

Weight (kg)

32 - 42

kg

Compact Size & Lightweight

Our compressors have been designed to fit into the latest 4x2 and 6x2 tractor units. Where space economy for mounting discharge equipment is at a premium, the small footprint and lightweight build of the GD150 & GD175 compressors allow your fleet to maximise your payload opportunities.

Ease of Mounting

The GD range is supplied with mounting feet, and air inlet kit with flexible hose and mounting bracket for compressor inlet filter, reducing your installation time. Furthermore, the compact size and shape of the compressor make it ideal for simple mounting inside the chassis on most vehicles to enable low cost direct PTO driving. The through shaft also allows clockwise or anticlockwise input drive rotation and the compressor can be installed in 3 orientations to provide the maximum mounting flexibility.

Reduced Downtime, Maximum Reliability

Our rotary vane design, with 30 years of proven reliability, offers lower maintenance time and cost, ensuring that your trucks stay out on the road for as long as possible. The machine is an oil free sliding vane design supported by bearing arrangements at both ends of the rotor. All of our components used in the main bore cavity are hard anodised aluminium or stainless steel to maximise the resistance to atmospheric corrosion.

Efficient Liquid Transfer Made Easy

Experience unmatched performance with the GD150 Oil-Free Liquid Bulk Compressor from the GD Series. Lightweight, compact, and reliable, it's specially designed for seamless, oil-free discharge of bulk liquids, including food-grade liquids, solvents, acids, alkalis, hot bitumen, resins, and chemicals. Perfect for general-purpose tankers, this compressor ensures fast and adaptable liquid transfer with zero compatibility concerns.

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Liquid Discharge Applications

The GD compressors are compactly built, lightweight and designed for the efficient discharge of various bulk liquids, including; liquid food stuff, solvents, acids, alkalis, hot bitumen, resins and other chemicals.

Industries

The GD150 and GD175 oil-free liquid bulk compressors are designed for fast and efficient discharge of a wide range of bulk liquids, supporting operators across multiple industries:

Compact, lightweight, and highly adaptable, the GD Series is ideal for transferring food-grade liquids, solvents, resins, acids, alkalis, hot bitumen, and other bulk liquid products while maintaining contamination-free operation.

Technical Information

High Flow Rate

The GD150 and GD175 are both versatile compressors that can deliver the optimum airflow for the pressure discharge of liquids from a road tanker. With performance ranges designed to suit a wide variety of bulk liquids, the GD series of truck mounted compressors are guaranteed to provide you with reliable service, year on year.GD150

The standard option for most road tanker pressure discharges, the GD150 is adaptable for discharges that require a lower volume of air, such as IBC pressure discharge.

Models

Model

Flow Rate

Operating Pressure

Weight

GD150

58–117 m³/hr

0–2.5 bar(g)

32 kg

GD175

80–145 m³/hr

0–2.5 bar(g)

42 kg

Standard ancillaries included in GD Series

  • Cyclonic inlet filter
  • 5-micron delivery filter
  • Relief valve
  • Non-return valve
  • Silencer
  • Mounting kit
  • Stainless steel discharge flange pack
  • Various flange kits

Drive Options

  • PTO / Prop Shaft Drive
  • Hydraulic Drive
  • Electric Motor Drive
  • Diesel / Engine Drive

Service Options

  • Air filter replacement kits
  • Blade & seal service kits
  • Bearing, blade & seal overhaul kits
Keep your GD Series liquid bulk compressor operating at peak performance with lifecycle-focused aftermarket support. Our protection agreements combine genuine parts, scheduled maintenance, and proactive health checks tailored to GD150 and GD175 compressors, helping to reduce unplanned downtime, maintain reliable liquid discharge performance, and extend equipment life. Choose the level of coverage that best fits your operation, from fixed-price parts supply to scheduled servicing and comprehensive support packages with on-site assistance, so you can manage maintenance costs with confidence and keep your fleet moving efficiently.
  • Genuine GD parts and GD Series service kits
  • Fixed-price parts for predictable budgeting
  • Scheduled maintenance by trained technicians
  • Proactive inspections of vanes, bearings, seals, and critical compressor components
  • Flexible coverage levels aligned to your fleet strategy
  • Optional on-site support, repairs, and overhauls
  • Expert guidance to maximize compressor reliability and service life

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