Skip to main content
Air Liquide Medical Systems

Expert division
for medical devices

Air Liquide Medical Systems

Expert division
for medical devices



Network maintenance reference

Protal II is a high-pressure pressure reducer with adjustable pressure delivering a high flow from a medical gas cylinder. It is designed to supply emergency medical gas networks and to ensure secure maintenance operations.
  • Reactive, integrated and accurate valve
  • Decreased risks of adiabatic compression due to its thermal shield
  • Filter in high-pressure connector inlet
  • Adjustable operating pressure between 0 and 10 bar
  • Design limiting the risks of icing for liquefied gases N2O and CO2 with high flow
Reliable over time
  • Limited number of components
  • Long lifetime
  • Curved chrome-plated brass to facilitate cleaning

Oxygen therapy and medical suction catalogue

PDF - 6.11 MB


  • Secure network maintenance operations
  • Supplies high flow up to 25 m3 / h (+ / -420 l / min)
  • Secure Setting: handwheel can be locked and sealed after adjustment of the operating pressure
  • 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