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GD70 Series Oil-Lubricated Piston Bulk Compressor

The durable GD70 piston compressor is an efficient and economical option for pressure off-loading bulk liquids and chemicals. This industry trusted compressor is customizable with multiple options and accessories available. An innovative hydraulic trunk adaptor is also offered preassembled to the compressor.

 

Its unique design features a unique removable cover with openings for air circulation, simple access to the shaft coupling and seal as well as allowing for the use of speed-reading instrumentation. The trunk is made of heavy-duty cast-iron construction, allows easy access to the coupling set screw and features a drain hole to prevent any water build up.

 

  • Single-stage design for pressure off-loading applications 
  • Compressor weighs 78 lbs, with trunk weighs 90 lbs 
  • Compact construction for space-constrained installations 
  • Available with or without hydraulic trunk adaptor 
  • Designed for fast, efficient liquid bulk off-loading 

 

The GD70 is an oil lubricated piston compressor for pressure off-loading of bulk liquids. This two-cylinder, single stage compressor is ideal for quickly off-loading your liquid bulk materials ranging from solvents to resins.

Key Specifications

Airflow Capacity (CFM)

11.3 - 34.8

CFM

Pressure Range (PSI)

0 - 40

PSI

High-Pressure Capability

Delivers pressure up to 40 PSI, supporting faster off-load times for liquid bulk transport. 

Compact & Lightweight Design

Narrow construction that aids in installation where frame rail space is limited.

Durable Cast-Iron Construction

Robust materials provide strength, corrosion resistance, and long-term reliability. 

Hydraulic Trunk Adaptor Option

Available pre-assembled, simplifying installation and integration with hydraulic systems. 

Service-Friendly Trunk Design

Removable trunk cover allows air circulation, easy access to shaft coupling and seal, and compatibility with speed-reading instrumentation. 

Moisture Protection

Integrated drain holes prevent water buildup inside the trunk housing. 

The GD70 Series Bulk Compressor is well suited for pressure off-loading of a wide range of liquid bulk products, including:

  • Chemical liquids
  • Solvents
  • Resins
  • Other pressure-transfer liquid bulk materials

The GD70 Series can be configured with a range of factory-engineered options, including:

  • Hydraulic trunk adaptor
  • Discharge Manifold Kit
  • Relief valve
  • Check valve
  • Lubricant
  • Air filter (straight or 90-degree configuration)
  • 1100 or 1300 series drive flange
  • Installation kits including relief valve, check valve, and filter silencer

 

These options allow the GD70 to be tailored to specific vehicle layouts and operational requirements.

Gardner Denver offers a complete range of genuine replacement parts for the GD70 Series Bulk Compressor. All parts are factory-engineered to exact specifications to ensure optimal performance and long service life.

  • Check valves
  • Relief valves
  • Air filters
  • Lubricants

Downtime is costly. Gardner Denver supports the GD70 Series through a nationwide network of factory-trained distributors and certified technicians available 24/7.

  • Globally stocked genuine spare parts
  • Service and maintenance kits
  • Detailed commissioning
  • Complete system inspection and overhaul services
  • Professional maintenance and service contracts
  • Customer and dealer service training
  • Expert technical guidance and application support

 

From installation through lifecycle service, Gardner Denver is committed to keeping liquid bulk fleets productive.

Speed

25 PSI 

30 PSI 

36 PSI 

40 PSI 

RPM

CFM

HP

CFM

HP

CFM

HP

CFM

HP

500

11.9

1.4

11.7

1.5

11.5

1.6

11.3

1.6

800

18.6

2.6

18.3

2.6

18

2.7

17.8

2.8

1000

22.9

3.3

22.6

3.4

22.2

3.5

22

3.6

1200

27.4

4.1

27

4.2

26.6

4.3

26.3

4.4

1350

30.6

4.6

30.3

4.7

29.8

4.9

29.5

5

1500

34.8

5.2

33.5

5.3

33.3

5.5

32.7

5.6

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