Yes, Grease filters or grease extractors are required in all type I CKV hoods. The name implies that the most important function that the grease filter or extractor is to extract grease from the exhaust air stream. Extraction is important but not the primary function. The primary function is to provide a fire barrier [...]
No, the percentage of grease extraction efficiency is dependent on the design of the grease filter. Grease Filters are engineered to extract grease and results may vary according to the type of cooking appliances used in the kitchen. Choosing the right grease filter would be dependent on your preferences and unique cooking environment. Streivor has a variety of grease [...]
The national codes and standards require that all grease filters for Type I CKV hoods be Listed to the Underwriters Laboratories Standard #1046.
The Standard for Grease Filters for Exhaust Ducts UL 1046 is the standard by which Grease Extractors are tested. Products covered by these requirements are single-stage and multi-stage grease filters. These grease filters are intended for installation and use in accordance with the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, [...]
CKV Type II hoods do not require grease filters. Type II hoods are designed to be used primarily over non-grease producing cooking appliances where there is a need to exhaust excess heat, vapor and odor from the air. The main goal of using a Type II hood is to create a more comfortable cooking environment [...]
Some grease filters have adjustable features incorporated in their designs that allow the static pressure created by the filter to be increased or decreased. The ability to increase or decrease the static pressure can be beneficial in controlling airflows with in the CKV hood.
There are basically three types of Grease Filters for Type 1 hoods: Baffle, High Velocity High Slot Cartridge, and Multi-Stage Filter. These filters range in price and efficiency depending on the manufacturer. The more economical baffle filters are available in aluminum or stainless steel construction. The cartridge filters are typically made in more durable stainless steel. [...]
There are no current national codes or standards that include a minimum grease extraction efficiency that a filter for a CKV Hood must achieve; currently there are several air quality management districts that are considering minimum grease extraction efficiency requirements for filters for CKV hoods. Read More
Multi Stage Filter Cartridge with Filtration Mesh A multi-stage grease filter is a filter that has a primary filter and additional stages of filter downstream of the primary filter. ExtractAire™ HVCMS Filters are engineered for use in CKV hoods requiring a filter that is Listed to the UL 1046 Standard. The ExtractAire™ HVCMS Filter [...]
Multi-stage filters generally have significantly higher grease extraction efficiencies when compared to single stage filters. The ExtractAire™ HVCMS Filter design and construction provides the ultimate fire protection and the highest level of grease extraction available in CKV Grease Filters. ExtractAire™ HVCMS Filters can withstand the harshest CKV environments. The HVCMS Filter assembly incorporates Streivor’s sustainable, [...]
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