The Andel BundGuard® system was developed in 1992 as a response to the UK electricity industry’s growing need for an effective dewatering solution at substation sites.
Today over thirty thousand BundGuard® units have been installed throughout Europe, protecting customer assets, site operators and the environment.
Because most bunds are exposed to the elements and are likely to fill with rainwater, there is a risk of oil escaping by overtopping the bund wall as the containment capacity falls beow the required 110%. It is essential that robust measures are put in place to extract rainwater from exposed bunds, preventing a pollution incident.
Using advanced circuitry and micro-controller technology, BundGuard® discriminates between oil and water, keeping oil contained and expelling water from the containment or bunded area.
The robust, submersible stainless steel sensor unit monitors the different liquid levels via a series of conductive probes. The control unit activates the pump as required to remove only clean water, safe to sewer or interceptor, depending on site circumstances. Failsafe systems and a range of visual and relay alarm outputs ensure complete safety and allow onward communication to remote monitoring systems.
BundGuard® not only gives total peace of mind and ensures compliance with regulations throughout Europe, it also removes the need for regular bund emptying by waste contractors, reducing costs, environmental impact and carbon footprint. In rigorous tests, BundGuard® is shown to separate oil and water extremely effectively, in fact less than 5 parts per million of oil present in pumped discharge water. For environmentally-sensitive sites only, In the absence of an on-site drainage interceptor tank, Andel recommends the FilterSepta®, a cost-effective, above-ground Class 1 interceptor and filter.
Market-leading BundGuard® is a cost-effective, self-contained and easy-to-fit automatic submersible pump and alarm unit that is installed in a sump, within a bund and works continuously and automatically 24 hours a day, 7 days a week, 365 days a year.
BundGuard® is designed to be used in conjunction with an on-site drainage interceptor in order to maintain the 110% capacity within an oil storage bund. If there is no underground interceptor tank, Andel also supplies the FilterSepta®, a cost-effective above ground filter that will guarantee a Class 1 discharge of water from the bund to surface water adhereing to EN858-1:2002.
The Andel BundGuard® 4 has dominated the market for over fifteen years with many thousands of units installed across the UK and Europe, protecting the environment and providing peace of mind and protection for site operators.
Though BundGuard® 5 is now available offering a number of additional features, BundGuard® 4 is still fully supported.
Through Andel's policy of continual improvement, listening to customer feedback and advances in available technology, Andel launched BundGuard® 5.
BundGuard® 5 offers customers the option of a number of added features that provide enhanced control with advanced communications and functionality.
BundGuard® 5 has the capability to operate two pumps simultaneaously, as well as the option of using larger pumps where required and is equipped with advanced communications and display features.
BundGuard® is available in a number of specifiacations to suit both site conditions and customer requirements. The fundamental design, however, remains the same and BundGuard® can be relied upon to give consistently accurate readings, avoiding the risk of 'chattering', a problem often experienced with some other dewatering pumps on the market, where sensor units are prone to false readings, repeatedly activating on and off and potentially damaging pumps and burning out components. The market-leading BundGuard® has a track record that speaks for itself.
BundGuard® control unit can also be supplied in a GRP enclosure.
Special-builds can be linked to sensors to detect unwanted contaminants in a site's trade effluent, where if high levels are detected, the system will deactivate the pump so the contaminants are contained and do not reach the drainage system.
A bespoke system, using control units in GRP enclosures was built to interface with the glycol system alarms, so that if the glycol system alarms trigger, a signal is sent to immediately disable the BundGuard® pump. The system also alerts the site to initiate a response.
Andel supplies a range of sensor units. Smaller units are available for customers who have an existing sump with smaller dimensions than the standard sump size, for example:
XL Sensor – 1000mm x 1000mm x 1000mm
Standard Sensor – 600mm x 600mm x 600mm
Compact Sensor – 450mm x 450mm x 450mm
Mini Sensor – 350mm x 350mm x 350mm
Power: 110/230 Vac, 440 Watts (1 pump running), 970 Watts (2 pumps running) Construction: Stainless steel, IP66 rated (also available in GRP enclosure) Dimensions: 410h x 262w x 100d mm Indicator LEDs
Power and Voltage: nominal Construction: Stainless steel, immersion proof Dimensions: Standard Sensor – 570h x 180w x 70d mm Mini Sensor – 450mm x 450mm x 450mm Micro Sensor – 350mm x 350mm x 350mm Fixing: Free standing in base of sump
Power and Voltage: 230VAC (110VAC optional) Construction: Stainless steel Dimensions: 250h x 160w mm Safety: Thermal trip with self-reset Flow Rate: 110 litres per minute at 2-3 metre head Fixing: Part of the sensor unit
BundGuard® is supplied complete with a fixing kit, anti-syphon device and 5 metres of 18 bar flexible hose. The unit is configured in the factory prior to delivery though some on-site adjustment may be required on installation. No further calibration is required. Maintenance should be carried out every 6 to 12 months depending on site conditions.
A Plug-and-Play option is also available to simplify site maintenance where site conditions mean that a BundGuard® may require more frequent attention. All connections between the sensor uniy and the control panel are via IP68 connectors.
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