Home Machinery Gravity Sand Filters

Gravity Sand Filters

  • Cost effective way of improving final effluent quality
  • Requires no controls and has no moving parts
  • Automatic backwash and rinse triggered on differential pressure alone
  • Varying diameters available to suit required flow rate
  • Filtration quality to 0-3mg/l SS
  • Minimal headloss through filterbed 120-150 mbar
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Gravity Sand Filters are fully automatic without mechanical componentry and operate on a combination of gravity and hydrostatic heads, capacities from 6.5 cu/mt/hr to 640 cu/mt/hr.

Pressurised machines are also fully automatic and employ electrical pressure monitoring and auto sequencing valves for backwash and rinse cycles, capacities up to 70 m2 in one unit.

Gravity Sand Filters are a cost effective way of improving final effluent quality. The filter requires no controls and has no moving parts such as pumps, valves, flowmeters or indicators, but can automatically backwash and rinse triggered on differential pressure alone.

They are supplied in varying diameters to suit required flowrate Filtration quality to 0-3mg/l SS Minimal head loss through filter bed 120-150 mbar

Our story began when Geoff Haith, at just 18 years old, started carrying out repairs for local farmers. Through this work, he recognised a need for more efficient, mechanised solutions for washing and grading root vegetables. Combining his engineering expertise with a strong farming background, Geoff went on to design and manufacture innovative machinery for handling carrots, potatoes, and beetroot.

Until recently, the business was led by Geoff’s five sons and daughter, supported by a talented and forward-thinking management team dedicated to ensuring the company’s continued success. Today, Haith employs over 120 people at our UK factory and works with a network of agents worldwide, promoting the Haith brand globally and delivering high-quality installations and satisfied customers across the world.

Over the years, Haith has continued to grow in both size and capability, relocating three times to accommodate expanding operations. This growth has culminated in our current ultra-modern, wholly owned facility in South Yorkshire, featuring approximately 6,000 m² of production space on a six-acre site. The factory is equipped with the latest CNC laser, waterjet, and bending technology, enabling us to maintain the highest standards of precision and quality.

Haith has received numerous awards for machine design and innovation. We are especially proud to have been honoured twice with the UK’s highest business accolade, The Queen’s Award for Enterprise, both in the Innovation category. As the only company in our field to hold this prestigious award, our commitment to continuous innovation and development—helping to keep the UK vegetable industry at the forefront of technology—has been clearly recognised.

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