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Bund water control units - Dewatering systems
Keep your bund compliant and reduce disposal costs
Bunds are designed to contain the leaks from the tanks which they surround. But bunds also collect rainwater thus reducing the capcity of the bund bund making them potentially non complaint. The rainwater can also cause damage or corrosion to the tank and pipework.
Wherever and whenever it is possible that oil may leak into collected rainwater, Darcy has the safe and proven solution.
Darcy now offer a complete range of discriminating pump systems that will safely remove collected rainwater whilst preventing any oil that may be present also being removed. All these systems are based on proven technology that has been successfully used for over 20 years, in industries such as Power Generation, Electricity Distribution, Oil Containment, Transport and various other areas of manufacturing.
These systems range from using a simple float operated submersible pump for use in sumps into which oil and water may collect, through to an Atex Approved Bund Water Control Unit for use in bunded areas surrounding the storage of highly inflammable liquids, such as aviation fuel or petrol. Our range of bund water control units (bund dewatering systems) are an efficient and effective method of maintaining bund capacity through the automated removal of rainwater from the bund and assist companies in meeting environmental regulations including ISO 14001, PPG8: Safe Storage and disposal of used oils, PPG2: Above Ground Oil Storage Tanks and the Control of Major Accident Hazards Regulations 1999. They provide a safe and dry working environment for your site maintenance staff and are a positive action for protecting the environment which will contribute to receiving and maintaining ISO 14001 accreditation (showing best environmental practice).
The application of a bund water control unit will significantly reduce waste management costs and provide a quick return on investment. They help prevent environmental liability, prosecution and negative publicity.
At all times failsafe features will warn you of any risk of a potential pollution incident.
- Maintains bund at 110%
- Reduces waste management costs
- Provides a safe and dry working environment
- Proven technology
- Durable design for long life
- Can be modified to operate in zone 0 conditions
Further details on our range of discriminating pumping systems can be seen by clicking the links below:






