REGULATOR EXPANSION KITS
It is sometimes beneficial to attach more than one analyzer, and/or accessory device, or different
inlet ports to a single gas supply. Any time this is done, it is critically important that there be a
means of isolating, or shutting-off, each device attached to the gas supply regulator. Micromeritics
recommends the use of a vacuum rated shutoff/isolation valve for this purpose.
This shutoff/isolation valve is required in order to prevent problems when changing gas cylinders
or servicing any of the devices attached to the gas supply.
If the need to attach more than one inlet or one analyzer and/or accessory device is anticipated,
one or more of the following regulator expansion kits must be acquired:
n 004-33601-00 – Regulator Expansion Kit (2 outlet, 1000 psi maximum). This kit contains one
Tfitting, two vacuum rated shutoff valves, and other necessary hardware. This expansion kit
allows gas to be provided to two inlets.
n 004-33601-01 – Regulator Expansion Kit (3 outlet, 1000 psi maximum). This kit contains one
cross fitting, three vacuum rated shutoff valves, and other necessary hardware. This expansion
kit allows gas to be provided to three inlets.
Gas Supply
Flex Series Pre-installation Instructions and Checklist
350-42870-01 (Rev H) — Apr 2021
2 - 9
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