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PECO Series 77V
SPARTAN PURASEP®
VERTICAL GAS COALESCER
GENERAL DATA
The Series 77V vertical reverse flow coalescer is designed for separation of solids and coalescing of liquid contaminants from a natural gas stream. The primary use
is for aerosolized mist and small droplets. It is available in all major design codes and certifications from 10” through 84” diameter sizes.
The vessel is separated into two stages. The first stage compartment in the lower chamber of the vessel has a free liquid knockout section to allow for large volumes of
liquids and solids to fall out below a proprietary PEFDB design. This PEFDB in the first stage ensure liquids will not re-entrain with the gas. The second stage of the vessel
is separated by a cartridge support plate that holds the coalescing cartridges. In the second stage flow is from inside to outside on the coalescing cartridges and then
up and over a baffle around the outlet nozzle. A quick-opening closure is provided on the top of the vessel in order to change-out cartridges in the second stage.
Liquids will collect in both stages of the vessel. Liquid levels will need to be monitored and drained. The cartridges in the vessel will become dirty or “spent” as
solids collect on the ID of the cartridges. As this happens the differential pressure across the inlet and outlet flange connections of the vessel will begin to increase. The
vessel should be serviced once the cartridges have reached the recommended change-out differential pressure.
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