Delta Pumps VD Type

The DELTA fuel unit is an efficient modern oil burner pump with compact design and since its mounting flange, hub and shaft sizes are manufactured to international standards (EN 225), it can be fitted to every oil burner.  

Delta Pumps VD Type

The DELTA fuel unit type VD is designed for pumping oil in high pressure oil burners and transfer pump applications.


  • High suction capability.
  • Suitable for one or two pipe systems.
  • Self priming.
  • Reliable pressure and positive cut-off (two pipe).
  • Special rotary shaft seal.
  • Silent operation.
  • Low power absorption.
  • Easily installed and adjusted.
  • Pressure and vacuum gauge ports.

Technical Specifications 

Oil viscosity: 1,2 ÷ 50 cSt  

Oil temperature: 60°C max.  

Power consumption: See Datasheet

Nozzle capacity: See Datasheet

Suction line vacuum: 0,5 bar max.  

Suction line pressure:  2 bar max.  

Return line pressure: 2 bar max.  

Rotation speed: 3500 rpm max.  

Standard strainer: Nylon mesh 150μ, 20cm² (VD1 9 cm²)  

Dimensions (EN 225): Hub dia.32, shaft dia.8 Optional : flange hub dia. 54, shaft 7/16”  

Connections (ISO 228/1): Inlet – Return : G1/4”  

   Nozzle port : G1/8”  

   Pressure – Vacuum gauge : G1/8” 

Weight:  gr. 950


Download Datasheet: Delta VD Oil burners fuel unit with pressure regulating