Air Start System

Packaged Air System

Bulk Storage Fuel Tank

Fuel Conditioning Skid

Fuel Metering Skid

Fire Suppression

Fire Suppression

Facility Control Panel

Touch-Screen Panel

Support Equipment


Air Start Systems


Vital Link provided facility air systems can be supplied as free standing or palletized units to the customer requirements. Typically the systems can provide both engine start air and shop air for the facility and its systems. Typically features of Air Start Systems include:


Air Receiver


  • Sized for multi-start capacity
  • Capacity to “motor” the engine in the event of an emergency
  • Provides safe storage of air at 15 bar
  • Has local and remote pressure monitoring

Air Compressors


  • Single or Dual units - Fast recharge rates
  • Housed in weather resistant acoustical enclosures with filters to protect equipment
  • Programmed, automatic running to maintain availability and optimize performance
  • Remote condition/operation monitoring

Air Dryer


  • Refrigerant cycle unit
  • To remove moisture from the air supply
  • Low maintenance for high operational availability
  • Pre-fabricated system pipe-work factory pressure tested
  • Pressure Control Valve with remote operation and pressure adjustment
  • Flexible hose with quick release coupling to engine starter unit
  • Facility shop air outlets located around the facility for servicing and tools

Fuel Systems


Vital Link supplied systems conform to applicable safety and environment standards providing low maintenance, high accuracy, stable and controlled delivery to: All systems conform to applicable environment and safety standards with ATEX rated equipment as applicable, providing low maintenance, high accuracy, stable and controlled delivery. Typically the systems consist of the following:


Fuel Tank


  • Fabricated to conform to applicable local codes
  • Safety ventilation unit
  • Skid mounted units incorporate a duel shell or containment base
  • Access hatch and safety ladder
  • Quick release, automatic stop, filling point
  • De-fueling line and connection
  • Standard bowser filling connection Snorkel fuel feed system from tank
  • Visual and remote fuel level indication
  • Remotely activated safety valve

Fuel Conditioning Skid


  • Pump/explosion proof motor
  • Coaleser / filter unit with local and remote indication
  • Pressure regulation system
  • Local and remote component monitoring
  • Non-return valves and strainers
  • Servicing valves

Delivery and Metering Skid


  • High accuracy fuel flow meter(s) typically with built-in density and temperature sensing and compensation
  • Remote flow, density, delivery pressure and temperature indication
  • Fuel Accumulator (where required)
  • Remotely controlled safety valves
  • Calibration Circulation line
  • Change over valve for preservation oil supply (where required)
  • Delivery hose with quick release connection to the engine

Fire Suppression Systems


Vital Link works closely with fire protection system companies to design, supply, install and maintain a variety of fire suppression systems tailored specifically for aero engine testing applications. Systems supported include High Expansion Foam, water sprinkler systems, Novec™ based gaseous systems, AFFF, and legacy systems including CO2 and Halon 1301.


Facility Control Systems


Vital Link provides computer based Program Logic Control facility control systems to integrate the operation of all systems using where possible off the shelf components that offer worldwide support. Vital Link configures control systems to insure safe operation of the facility systems. Interlocks and control redundancy are provided that only allow engine operation once all systems are correctly activated and available. Operator display screens provide pictorial mimics of the facility and systems to give the operators visual interpretations of the facility status. The control systems monitor the facility and its systems during operation to enable notification of problems and schedule requirements such as calibration, servicing and maintenance.


Systems typically control/monitor:


  • Facility power status
  • Fire System status
  • Facility and test area access points
  • Test area lighting
  • Roller shutter doors
  • Fuel and Air Systems
  • Engine start system
  • Test stand configuration
  • Restraint configuration
  • Exhaust Temperature
  • Test area ventilation
  • Pre-start requirements

Oil Inhibiting and Preservation Systems


  • Bespoke Oil Inhibiting/Preservation systems provide a filtered and regulated supply of inhibiting oil/fluid to the Engine/li>
  • System can be operated remotely via three way switching of the fuel supply or locally via a manually operated spray ring/hose attachment
  • Intelligent system design reduces amount of Oil wastage and risk of subsequent hot starts
  • System capacity can be adapted to suit the typical consumption rates for a particular engine or test cell
  • uses local compressed air supply as propellant
  • Additional temperature control can be included, to ensure oil is delivered at the correct temperature/viscosity
  • System has built in safety systems (pressure relief safety valves, trigger valves) to ensure it is always operated in a safe and controlled manner

Lubricating Oil Cooling Systems


  • VLE designed system is installed and operational at a number of Engine Test Facilities
  • Overboard Oil Cooling systems designed to meet exact OEM Requirements
  • System typically includes filtration, and oil temperature/pressure monitoring
  • Oil/Water Heat Exchanger based system with PID control valve can maintain Engine oil temperature within +/- 5degF, even during transient engine runs
  • System can be remotely monitored and controlled from the Control Room; including ability to review oil pressure, temperature (in, and out) and PID valve demand and position feedback
  • Compact system is designed to warm up quickly; ensuring minimum Oil running temperature can be reached without delay. This reduces unnecessary engine running time and fuel burn
  • Intelligent system design reduces maintenance requirements and running costs