grease trap


Left unchecked, fats, oils and grease (FOG's) can create big problems for your business, and land you on the wrong side of the law.

GREASE TRAP IS EQUIPMENT USED TO TREAT THE WASTEWATER PRODUCED BY KITCHENS AND FOOD PROCESSING AREAS. THE WASTE USUALLY CONTAINS A MIXTURE OF FOG (FAT, OILS AND GREASE) THAT HAS LESSER DENSITY THAN WATER AND THEREFOR FLOATS ON THE SURFACE OF THE WATER. GREASE TRAP HELPS IN THE SEPARATION OF SUCH FOG PARTICLES FROM THE WASTEWATER AND PREVENT THEM FROM FLOWING THROUGH THE DRAINAGE PIPE.

how **it works

Separated Fats, Oils & Grease are retained inside the trap by a series of baffled chambers and the solid food waste is contained by the internal strainer basket whereas the cleaner 'grey' wastewater passes through the separator via a submerged outlet to the main drain.

maintaining the system

monthly tanker visits are essential and a legal requirement to prevent fats, oils & grease from entering the public drainage network. Most system also have filters that require periodic replacement. 

The UK Building Regulations (Part H 2.21) states that:-

  • Drainage serving kitchens in commercial hot food premises should be fitted with a grease separator complying with EN 1825-1 and designed in accordance with EN 1825-2 or other effective means of grease removal.

BSEN 1825 1 and 2 standard states that:-

  • grease traps should be emptied at least once a month or preferably twice a month; 
  • when it is 25% full of grease it should be emptied.

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