Rope Pump Manual, Ethiopia - pseau.org
2009-11-20u2002·u2002• Tubes can be made of low pressure PVC tubing. • The total weight of pump parts is approximately 15 Kg (which is 5 to 10 times less than piston pumps). The pump can be taken from the well without any lifting tool. • No valves, valve seats, and ball bearings. Therefore less 'critical' parts, resulting in higher reliability.
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