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How to make assembling a free energy water pump exhaust valve / 4 inch hydram pump
On this occasion, I will give a little tutorial or method of making or assembling the most important components in a drum pump, namely in the exhaust valve section, where the material uses 4 inch PVC Rucikaw consisting of 2 flanges and 5/8 bolts 8 pieces of rubber pack 1 bearing. valves from 10 millimeter thick PE plate and 50 cm stainless threaded AS,
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