Abstract: An electrical energy generating system in which high pressure slurry is used to expel water, alternately from two bladders, which is used to power a turbine which drives a generator.
Abstract: A valve with a housing (12) in which is formed a chamber (14), an inlet (16) to the chamber, an outlet (18) from the chamber which is at a right angle relative to the inlet, a metallic valve seat (90) at the inlet, a resilient valve seal (100) mounted to the valve seat at the inlet and a spherical valve member (40) inside the chamber.
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