L Multipack 2

LD Series

LD Series – Diaphragm Compressor/Vacuum Pump

TruNorth LD Series Compressors and Vacuum Pumps are completely oil-less and come with our relentless commitment to quality, performance and overall service to our customers. Our business mindset is to provide customers exactly what they require. Flexible component and product designs allow for a wide range of customization in flow and pressure performance, input power, port locations, accessories and more!


  • Oversized Front Mounted 9-Blade Fan
  • Stainless Steel Valves
  • Permanently Lubricated Ball Bearings
  • UL Recognized Motor & Thermal Protector
  • Balanced Eccentric/Connecting Rod Assembly
  • Epoxy E-Coated Wetted Components
  • Stainless Steel Valves, Retainers and Screws
  • Oil-Less Operation
  • Die Cast Aluminum Components • Durable Diaphragm
  • Efficient 4.4” Diameter Motor
  • Arc Formed Valves (Optional)


Long Service Free Life
Low Vibration & Sound Level
Corrosion Resistance
Cool Operating Temperatures
Restart Against Load

Performance Data

Model NumberLD30
Head ConfigurationPressure/Vacuum
Free Air Flow0.75 SCFM
Max Continuous Pressure20 PSIG
Max Intermittent Pressure30 PSIG
Max Restart PressureContact Factory
Max Vacuum22″ Hg
Max Restart VacuumContact Factory
Max Ambient Air Temp104° F
Min Ambient Start Temp50° F
Motor Voltage/Frequency115V/60Hz
Motor TypeShaded Pole
Current at Rated Load3.7 Amps
Power at Rated Load200 Watts
Starting Current (Locked Rotor)5.2 Amps
Min Full Load Speed1610 RPM
Thermal ProtectorYes
Net Weight6.9 lbs

All of the compressors & pumps manufactured by TruNorth are very customizable for OEM applications.

Don’t see the performance data you’re looking for?

The information presented in this material is based on technical data and test results of nominal units. It is believed to be accurate and reliable and is offered as an aid to help in the selection of TruNorth products. It is the responsibility of the user to determine if this product is suitable for the intended use. The user assumes all risk and liability whatsoever in connection therewith. TruNorth does not warrant, guarantee or assume any obligation in connection with this information.

Compressor / Vacuum Pump Products

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