Description

A Treadle pump is a pump with two cylinders and powered by pedals

Advantages compared to Rope Pumps

• – 30 to 40% more pump volume with the same lifting height (legs have more power than an arm)
• – Easier to install and repair
• – The pressure model  can lift water to an elevated tank or can be used for  sprinkler irrigation.

Disadvantages compared to Rope Pumps

• – Is a suction pump so can only lift water from maximum 7 meters deep
• – Some people prefer a turning movement for pumping to an a up and down movement
• – Pedalling with legs is not fit for women in some cultures.
• – More complicated to produce

Information

• Treadle pumps can pump from rivers, lakes or wells of 0 to 7 meters deep
• Pump capacity; 0 – 10m lift 50 l/min, 10 – 20m lift 30 l/min
• Cost : 120 – 140 US$ including suction hose
• Producers: Sold in farm stores in Tanzania, Malawi .