1. Meribah Ram Pump, based in Thailand, offers appropriate technology products (ram pumps and bio sand water filters) and related expertise. A downloads page,on Meribah’s website offers plans and other information related to building and installing ram pumps and bio sand water filters.
  2. The BGET provides hands-on appropriate technology training and financial support to village innovators in ethnic minority areas on both sides of the Thai/Burma border. BGET’s Knowledge Base offers a wealth of technical downloads in English and Thai related to renewable energy technologies for...
  3. 2011-10-20
  4. Hydraulic ram water pumps use downhill water pressure to pump water much higher than it started, with no other power needed. A 20ft fall is enough to push water 150 feet above the source or more. Or as little as a 2ft fall between the water source and the pump at a flow rate of 1 to 3 gallons per...