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Water Powered Technologies have developed the Sureflow Valve to work with WPT products to ensure seamless and automatic operation where flows are small, variable or intermittent. This is especially useful in countries subject to dry seasons or low rainfall.

How it works — Papa Pump example – With a Sureflow system fitted to a Papa Pump®, as the level in the supply tank drops the float arrangement causes the rotary float valve to operate. This allows water pressure to act on the upper side of a diaphragm in the valve whilst venting pressure on the lower side of the diaphragm, thereby closing the valve and thus preventing water flow through the pump.

Conversely, as the water level in the supply tank rises, it will cause the float arrangement to reverse the pressure on the diaphragm and allow the flow valve to re-open, automatically restarting the pump.

At times of low-flow in watercourses, this system will also automatically restrict the abstraction of water when it is below a minimum level in accordance with environmental considerations. This allows the system to operate fully automatically to the mutual benefit of ourselves and the environment.

Sureflow Manual

Schematic layout of a typical complete system

Features & Benefits

The Sureflow automatic flow regulation system signifies another revolution in water pump technology. See below for the features and benefits of the Sureflow Valve:

  • Enables the Papa Pump® to operate with negligible water flows
  • Allows for one pump size to suit all flow rates
  • Works with small or variable water flows
  • Easy Fitment and Operation – the pump will operate at maximum efficiency for the conditions – no need to adjust pump settings – no need to stop pumps during drier periods – simple to install
  • Environmental Benefits – Requires no electricity or fossil fuels —Pollution Free – helps maintain water delivery in arid areas – can automatically restrict water abstraction during drier periods
  • Non-rusting – made from engineering composite formulated for metal replacement applications
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