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Air Liquide Medical Systems

Expert division
for medical devices



Fixed pressure reducer

Preci is a high pressure reducer with fixed pressure reduction designed to be fitted to a high-pressure medical gas cylinder so as to supply a ventilator or any other medical device. It guarantees the delivery of the desired flowrate to the patient, regardless of the upstream pressure.Used by hospital and medical personnel, it combines sturdiness and ease of use.
  • Pressure gauge protected
  • Nickel-plated brass body
Easy to handle
  • Highly-compact and light
  • Fast and simple installation
  • Responsive and precise integrated valve
  • Thermal shield: limitation of risk of adiabatic compression
  • High-pressure inlet connection filter

Pressure regulators flowmeters hospital catalogue

PDF - 681.64 KB


  • Unmatched level of safety
  • More than 20 years of experience in high-pressure devices
  • Components carefully selected (materials do not release toxic vapours in the event of fire, etc.)
  • Easy traceability
  • No need of preventive maintenance with compulsory parts replacement
  • 01


    Innovation is central to Air Liquide Medical Systems’ products. Our priority is to contribute to the quality of care by optimizing patient comfort and simplifying the use of our products.

  • 02


    Air Liquide Medical Systems has a 40 year history of listening to its customers and working with healthcare professionals. We create solutions that keep up with the changes in medical practice.

  • 03


    Safety, Quality and Environment: we design our products based on ensuring safety and quality in respect of patients, users and employees, and regulatory compliance. Air Liquide Medical Systems is committed to reduce its environmental impact

  • 04


    Local and responsive Whatever the situation, you can always count on the expertise of our hotline and our local technical teams. They will help you ensure the safety of your patients and get the best performance out of your equipment.

  • 05

    Made In France

    Most of our products are designed and manufactured by Air Liquide Medical Systems in France