Fuel Injection Springs

Achieving multi-billion cycles and more than 20,000 hours use in the most aggressive environments.

The Force Technology team has unrivalled experience in the design and manufacture of fuel injection springs. We have worked in partnership with the leading medium & heavy diesel fuel injection designers and original equipment manufacturers for over 30 years.

fuel-injection-image-aWe work closely with our customers to become a fully integrated extension of their design team.

Medium and heavy diesel applications for:

  • Marine Power
  • Locomotive Engines
  • Power Generation
  • Heavy Trucks
  • Off Highway & Construction Equipment
  • Mining Machinery
  • 4 Stroke & 2 Stroke
  • Diesel, Oil, Dual Fuel and Gas Fuels

Force Technology focuses on technical excellence, aiming to be one of Europe’s most technically advanced and innovative engine valve and fuel injection spring manufacturers.

The technical team continues to develop advanced engineering solutions to ensure:

  • reduced component wear
  • higher engine speeds
  • improved performance
  • improved fuel consumption
  • lower emissions
  • maximised fatigue life

Supplying many different types on injectors from Electronic Unit Injectors (EUI), Mechanical Unit Injectors (MUI) to Common Rail Systems with:

  • Nozzle Springs
  • Plunger Springs
  • Check Valve Springs
  • Flow Valve Springs
  • Tappet Springs


Advanced Damping Design Methodology:


We use the World’s best materials:

  • Silicon Chrome Valve Quality
  • Silicon Chrome Vanadium High Tensile
  • SiCr V +Nickel Ultra High Tensile
  • Superclean Raw Rod
  • Shaved & Peeled Surface Quality
  • Eddy Current Testing
  • Round, Shaped and Ovate Sections


Surface Finishes Include:



Special End Coil Finishing:

  • Chamfer Inside Diameter
  • Chamfer Outside
  • Rounded and Squared End Coils
  • Chamfering of End Coils


Advanced Spring Design Services

  • Advanced Material Selection
  • 3D Spring Calculations
  • Maximum Stress and Stress Range Calculation
  • Fatigue (Goodman) Diagrams
  • Relaxation Prediction


Meeting the demands of the modern engine environment

  • Common Rail Applications
  • High Pressure Fuel Environments
  • Efficient Spring Damping Technology


Metallurgical services:

  • Failure Analysis Service
  • Digital Microscopy
  • Scanning Electron Microscope SEM
  • Failure Analysis Service
  • Micro-hardness Testing
  • Microstructure Review
  • Root Cause Failure Reporting Service