Medical Gas Valve Box

To a Quote, must specify as follow:

*Medical valve box deep (10cm / 14cm).

*Diameter, gas type and number of valves by each Medical gas valve box.


Medical Gas Control Valve Box, meeting NFPA99.


  • 3-piece brass made with welding ports, stainless steel ball with PTEF seals.
  • To 600 W.O.G (water, oil, gas)
  • “L" or “K" type copper pipe extentions
  • 1/4 turn lock lever

Pressure and Vacuum Gauges / Diss Demand valve (optional), Coupling Ports:

  • Brass Made.
  • 1/4 ”female straight thread for both sides of the valve.

Pressure and Vacuum Gauges:

  • 1 1/2 “dial size back connection, sight glass, carbon steel case in black color powder coatong finish / stainless steel case optional (upon request).


  • Positive 0-11 kg/cm2 (0-160 PSI)
  • Positive to Nitrogen and Instruemental Air 0-21 kg/cm2 (0-180 PSI)
  • Negative 0-76 cmHg (0-30"Hg)

Pressure and Vacuum Gauges Case Cover Protection:

  • PVC injection made, I.D. of medical gas color.


  • Stainless Steel I.D. with gas type and vacuum (medical or Wagd), nomenclature and color according to NFPA99-2015 for each valve, as well as a graphic indicator of the flow direction.

Valve Box:

  • Galvanized steel sheet made, white color powder coating finish.
  • High resistence ABS plastic injection plugs to copper pipe isolated with galvanized steel box.
  • Standard medical gas valve box measures according with the number of valves to be contained in the box.


  • Tilting: pivot type aluminium sheet door made, white color powder coating finish, 3mm transparent acrylic window with folding steel hinges and magnetic closure device.
  • Removable: 2mm clear acrylic sheet made.


  • It may include DISS DEMAND connection to specific gas in the emergency port (upon prior request to the factory).
Hydrostatic Pressure Testing Valves


Medical Gas Valve Box.

Gauges Use Warning

Analog Gauges devices (positive and negative) are not eligible for exchange or subject to warranties, as the nature of the device’s mechanism makes it vulnerable to any type of mishandling and abuse. Should avoid:
  1. Do not perform pressurization tests with these gauges, use only at “normal” working pressures.
  2. Avoid “pressure hammer” in the pressure gases with gauges mounted on the assemblies.
  3. Use the gauges only in relation to the pressure and vacuum indicated on the dial.
  4. Gauges may show corrosion in the materials due to hot, humid and tropical jungle weathers, as well as expose them to corrosive and non-corrosive liquids, in which case you must replace them.
  5. Because they are “Measuring” devices, gauges mechanism is fragile in the event of any fall, blow or abuse and can may present a gap in the dial indicator or pointer due to the previous situations (falls, blows and abuse), as well as expose them to “pressure hammer.” also pressures outside of design ranges to the gauges.
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