Grease Traps, Grease Interceptors, Fatstrippa, Jumbo and Enzyme Dosing  
Grease Catcher
Grease Traps
Full Filtration
Grease Traps
Fully Automatic
Grease Traps
Semi Automatic
Grease Traps
Grease Traps
Coffee & Food
Filtration Boxes
450 - 1,000 Litre
Above Ground
150 - 450 Litre
Grease Trap
1,000 - 6,000 Litre
Underground Grease
Jumbo® 150 -
300 Litre
Jumbo® 150 -
1,150 Litre
G.R.P. Underground
Grease Interceptors
Polytraps GT - GT3 - 450 Litre Grease Traps
GT3 450 Litre Grease Traps
The Polytraps GT range of High Density Poly Ethylene (HDPE) grease traps are designed for below ground installation. They are supplied as standard with 110mm pipe work with sealed UK rated pedestrian galvanized steel covers. Not only are they very effective & robust, these light weight units are also very easy to install.
Polytraps GT GT3 450 Litre Grease Traps
Application: Large Sized Restaurants / Pubs / Hotels
Capacity: 450 Litres
Cover: Galvanized Steel Pedestrian UK Rated
Inlet: 110mm Outlet: 110mm
Material: High Density Polyethylene
Dry Weight: 45 Kilo
Installation: Underground
High Strength HDPE Plastic
Extensions available
Low Maintenance
Easy Installation
Pedestrian rated cover supplied
Durable & Robust

GT Installation Methods - Below Ground


Stage 1: Lay a minimum 100mm base of concrete. During this stage case should be taken to ensure that the bottom of the unit is uniformly supported so that point loads to the base are avoided. Connect the incoming and outgoing pipe work preferably using standard UPVC couplings. Please ensure all the units are connected properly and have correct levels, ensure no negative falls are in the system before connection to inlet and outlet pipes.

Stage 2: Ensure there is an adequate water supply available. It is recommended that the unit is at least half filled with water for ballast and to the unit floating, and then pour concrete around the sides of the tank with a minimum 100mm of concrete around the unit, making sure concrete is packed into the ribs. This will take you to just below the pipe work. Do not use vibrating pokers to consolidate the concrete.

Stage 3: Should one of our extensions be fitted to accommodate extended invert. This should be backfilled with concrete as detailed above. Please note extensions can only be supplied to 1000mm in line with Building Regulation and Health and Safety. Deeper inverts should be accommodated by use of our Access Chambers (please ask for more details if you are unsure).

Stage 4: It is important to check the unit has been filled (Primed) with reasonably clean water to the bottom invert or waterline of the outlet pipe. This is the unit’s normal water level when at rest. Check all pipe connections are clear from obstructions.

  Please note: Grease Traps should not be installed in trafficked situations and in accordance to BSen1825 should ideally be installed in a compounded area with suitable free access for cleaning/maintenance.
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