coarse filter

coarse filter

In an air-conditioning system, same as prefilter.
References in periodicals archive ?
The extract was cooled to -20 C and filtered using coarse filter paper to remove the fat.
The circulated airflow rate was 43 l/s (91 CFM), and the circulated air flow was filtered by a synthetic coarse filter of class G4 (approximately MERV 7-8).
Series EQ Dishwashers offer an efficient three-piece bottomless filtration system with a coarse filter, microfine filter and a filter screen that only require cleaning every three to six months depending on use.
We take the dirty coolant from the machines and send it through a coarse filter to remove large contaminants.
As well as the Pure-Screen wedge wire filter range, the company also offers a low cost perforated sheet strainer which is designed as a low pressure drop "last chance" filter and can be used as a coarse filter or as a means of protecting pumps and instruments.
As well as the Pure-Screen wedge wire filter range, the company also offers a low cost perforated sheet strainer which is designed as a low pressure drop 'last chance' filter and can be used as a coarse filter or as a means of protecting pumps and instruments.
On the other hand, using a coarse filter medium, backwashings are reduced but the filtration results are not as good.
Coarse filter ahead of the double slide-plate fine filter in the extruder removes large contaminants and thus prolongs life of fine filter.
The steering committee will select three prototype assessments at the province level, perhaps using cover types as a coarse filter for determining whether ecological processes are functioning for sustainability.
Tenders are invited for Construction and installation work on the installation of monitoring devices pressure on the coarse filter in the oil facilities MCP power units 1 and 2.