Deward Type Automatic Medical Gas Manifold

To quote you must specify as follow:

  • Medical Gas (liquid oxygen or nitrogen)
  • Number of deward cylindres by each header
  • Cabbinet type (indoor or weatherproof type)

***To Manifold configuation, dowload the equipment sheet formulary, click here and fulfill the form, attach it and provide valid data (name, company, address, email, phone number, country, zipcode, etc)***


Medical Gas Automatic Manifold for Deward cylinder headers, meeting NFPA99-2015 and ASTM B819 (clean for oxygen use).


  • In door
  • IP56 Weatherproof

Control System:

  • High speed electronic PCB with 7 " full color LCD display, touch screen control.
  • 110-220 vac normally open electric valve.
  • Non-return valves
  • 4-20Map high and low pressure transducers


  • High and Low pressure Display readings for primary and secondary deward cylinder headers in real time.
  • High and Low pressure Display readings for manifold final pressure delivery in real time.
  • Pressure units.
  • Alarm signals.

Signals (Alarms):

  • Low pressure in the Manifold
  • High pressure in the Manifold
  • Alternate or External source supply pressure in the Manifold.
  • Leak Detection for reserve cylinder header (20% decrease in static pressure).
  • Cylinder headers switchover, primary to secondary and vice versa.

Minimum Pressure of Deward Cylinders:

  • 230 PSI

By-pass System:

  • 2 low pressure final line regulators with manual isolation stainless steel ball valves (one regulator in use and the other in reserve).

Over-pressure and vent valve system:

  • Interconnected circuit protection system of relief valves, over-pressure guided to the exterior of cabinet manifold.


  • 5 connections output relay ports to alarm signals, connected to medical gas master panel.

Emergency Ports:

  • Located Before end-line regulators and only for low pressure 50-55 PSI.
  • Coupling with CGA inlet according to the medical gas of the Manifold.

Pressure Gauges:

  • To high and low pressure analog type.
  • Do not use Oil and its Derivatives.
  • Operation and maintenance personnel must be certified for the manifold safe operation.
  • Quality and Medical Gases Purity Degree, as well condition of containers, cylinders and their connections will be always responsibility of the medical gases supplier.
  • Deward cylinder evaporators must work properly in the event of an oxygen over demand to avoid freezing of the manifold due to inefficient liquid evaporation.
  • An external vaporizer with sufficient capacity for consumer demand should be used in case that Deward cylinder evaporators will be insufficient.


Cylinder Headers:
  • 3,000 PSI. working pressure brass pipe made.
  • CGA connection points for each cylinder with self-closing non-return valves (check) made of brass.
  • Manual master valve to opening and closing of the primary and secondary header.
  • Relief valve to each cylinder header.
  • Cryogenic: Flexible rubber hose, CGA connection for the specific gas.
Available Gases:
  • CGA540 Oxygen Deward type 230PSI minimum pressure.
  • Low pressure (50-55psi) emergency input CGA540 coupling port, for a backup header to medical gas automatic manifold deward type.
  • Liquid Nitrogen cryogenic systems CGA 580 connection for Dewar type cylinders, complies with NFPA99-2015, includes emergency inlet in low pressure stage.
  • 100-220 V 50-60 Htz. power supply
  • External evaporators in case of an oxygen over demand that freezes the system
  • A source primary supply bulk (microbulk) in case of an oxygen over demand that freezes the manifold, (The manifold becomes a secondary or backup source).


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