changeover valve / for gas
NA-4 series Emerson Automation Solutions - TESCOM

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changeover valve / for gas changeover valve / for gas - NA-4 series


  • Function:


  • Media:

    for gas

  • Temperature:

    Max.: 74 °C (165 °F)

    Min.: -40 °C (-40 °F)

  • Pressure:

    Max.: 207 bar (3,002.3 psi)

    Min.: 0 bar (0 psi)


The TESCOM NA-4 Series Changeover System is designed for continuous and interruption-free supply of carrier and calibration gases. It it is commonly used in petrochemical analyzer sampling systems, medical gas delivery, and laboratories as well as welding gas applications. It can be provided standalone or as part of a full system with CGA connections, hoses, check valves, purge valves, pressure switches and alarms.

This unit can handle up to 16 cylinders and includes stainless steel regulators and valves, with a choice of the shut-off valve type and location. It can be equipped with a low pressure or high pressure line regulator and an optional remote mount annunciator.

Other Emerson Automation Solutions - TESCOM products

Valves, Actuators and Regulators