Water Powered Technologies
The Papa Pump is a durable and lightweight pump that delivers water over long distances and high elevations without fuel or electricity.
The Papa Pump is a modern ‘hydro ram’ based on the principles of a traditional ram pump, manufactured by Water Powered Technologies. The pump includes a redesigned and patented ‘Venturi Valve‘ that is manufactured using modern composite (plastic and glass) material, creating a pump that is non-corrosive, light, and durable.
This zero energy pump uses the power of natural flowing water from a spring, stream or river to deliver water without the need for fuel or electricity. It requires a supply flow and head of water to operate, to pump water over long distances and to higher elevations.
The Papa Pump is designed to operate 24/7 without fuel or attendance, requires little maintenance (inexpensive valves changed 2-3 years) and is less expensive compared to equivalent pumping systems.
1720-1911 USD (1350-1500 GBP) Converted June 2020
The product targets remote communities in need of water, and large scale water users for tasks such as watering livestock, irrigation, water utility applications, and non-potable water delivery.
The Papa Pump is manufactured by Water Powered Technologies, in Cornwall, UK.
Although the exact number distributed to date is unknown, the Papa Pump has been implemented in over 26 countries.
Description of the pump type
Power required, measured in watts
Manufacturer-specified discharge rate, measured at a specific head
Maximum depth of water the pump can pull
Piston nominal diameter, measured in centimeters
The principles of the Papa Pump technology are based on 300 year old ram pump technology. The flow of water through the system for delivery depends on: how much water is supplied to the pump, the height of the supply head and the height of the delivery head
The performance of the Papa Pump can be determined in the training manual. The Papa pump is supplied with a delivery hose assembly, an 8 L pressure vessel, a 5.08 cm BSP lever ball valve, an exhaust insert, 2 Seradisc filters, a multi-purpose tool, a set of spare O-rings and valves and a comprehensive manual.
Pump body items: Latigloss ® – high-performance thermoplastics (approved potable water application verified by WRAS, NSF and ACS.)
Metal items: Stainless steel
Valve members/O-rings: EPDM
Exhaust insert: Polypropylene
Max Output (L/day): 20,000
Max operating pressure (bar): 10
Weight: 2 kg
Length x width x height: 30 x 18 x 16 cm
Inlet/outlet ports: 5.08 cm (2”) BSP (50 mm nb)
Delivery port: 2.54 cm (1”) BSP
WRAS approval: Cold water use up to 23o C
Water Powered Technologies specify the Papa Pump is simple and easy to install. The website provides detailed technical data, and training guides for installation and maintenance.
Replacement components include: O-rings, Main valves, NR valves, and pressure relief valves. The only moving parts are rubber valves and these are the only components that need replacing every few years (2-3).
The designer specified performance targets include: durable, lightweight, requiring no fuel or electricity, operating without manual intervention 24/7 when at least 50 L/min of water is supplied through the pump, minimum of 70% of the water is depressurised and ejected and maximum of 30% is pressurised and delivered to high elevations or long distances.
No testing by third party organisations has been performed, only testing by the manufacturer.
The are no known safety issues associated with the product.
The product can be implemented into off-grid micro energy generation. Multiple Papa Pumps can be installed in parallel in settings of large flow and higher water delivery requirements. The manufacturer also offers automatic flow regulation systems (SUREFLOW), additional filtration screens (Seradisc) and rainwater recovery technology as a water source (Hydromentum).
The product is verified by WRAS, NSF and ACS.
Inthachot, M., et al., 2015, Hydraulic ram pumps for irrigation in Northern Thailand, Agriculture and Agricultural Science Procedia, 5, pp. 107-114.
Hussin, N. S. M., 2017, Design and analysis of hydraulic ram water pumping system, Journal of Physics: Conference Series, 908 (012052), pp. 8.
Asvapoositkul, W., et al., 2019, Determination of hydraulic ram pump performance: experimental results, Advances in Civil Engineering, pp. 11.
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