The MODULAIR® range of Airline Trolley Systems provide a portable compressed air supply system for the users of airline breathing apparatus. Available in 2 and 4 cylinder versions, 2 and 4 wearer versions and with optional extras such as airline filter units and electronic low pressure alarms.



  • Pressure reducer system utilizes Scott’s robust and proven technology
  • Welded stainless steel tubular frame for robustness and corrosion resistance, with wheels, handle and stainless steel hose reel drum
  • Compact and portable
  • High performance pneumatics
  • Hose reel will hold 90 meters of PVC or 60 meters of Anti-static hose
  • Product supplied without airline apparatus, cylinders or airline hose
  • The MODULAIR® is suitable for use in restricted access areas, Oil & Gas, Marine
  • Compact: The MODULAIR® is a compact, easy to use airline trolley system designed to provide portable clean air in restricted access areas
  • Versatile & Robust: it consists of a lightweight stainless steel hose reel unit and cylinder frame that can be used independently or together. The frame is designed to carry a pair of cylinders and, where required, and additional frame can be vertically stacked to allow connection of up to four cylinders. This, in conjunction with proven 300 bar high performance pneumatics delivering up to 1000 liters of breathing air per minute, permits four people to work at the same time
  • Long Duration Operation: It is made simple through adjustable cylinder bands and high pressure cylinder connectors to accommodate a variety of cylinder sizes at both 200 and 300 bar. Non-return bleed valves fitted to the cylinder connectors enable cylinders to be replaced independently for continuous operation
  • Audible & Visual Alarms: To safeguard against any drop in air supply pressure the MODULAIR® can be fitted with a medium pressure warning whistle or a DSU (automatic distress signal unit) for both audible and visual alarms if the airline supply pressure falls below 3.8-4.1 bar. In either case, the operation of the alarm informs safety rescue personnel to switch over the reserve air supply, change cylinders or initiate evacuation procedures as appropriate