Pressure programmable gas chromatograph regulator

Gas separation – Means within gas stream for conducting concentrate to collector

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Details

55 67, 55197, 55386, 73 2336, B01D 1508, G01N 3002

Patent

active

051639793

ABSTRACT:
A pressure control apparatus includes an oscillating electronic back pressure regulator connected to a pneumatic or diaphragm-operated back pressure regulator. These are connected to a separation column for effecting a predetermined program of pressure change and thereby improving quantitation of results as well as service life of the regulator.

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Brochures--Proportion-Air BB1.
Brochures--Proportion-Air BB2.

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