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Diaphragm compressor driven by motor via pulleys rotate crankshaft, and then through the connecting rod reciprocating linear motion of the piston in the cylinder to push oil, reciprocating diaphragm do, under the control of the exhaust valve, diaphragm once every vibration to complete an intake and exhaust process. Membrane press work, Jade of a small amount of oil to flow through the piston ring-cylinder in the cylinder walls and rings Groove clearance leakage in the tank. To compensate for this oil, diaphragm compressor end of the trip will be able to track cylinder head surface, drain the compact media, compensating pumps in the membrane compressor suction during oil injection tank, oil leakage of slightly more than, the excess oil in the compressor trip at the end of, by controlling the oil pressure regulating valve back into the crankcase.

Because diaphragm cylinder with the cylinder completely separates, make the compressed media does not come into contact with oil, thus avoiding the contamination of the oil, ensuring the purity of the compressed media. Cylinder cylinder head surface and membrane composition, is a closed cavity, so it has good sealing property.