1. The crankcase is made of aluminum alloy material. The front and rear cover plates supporting the crankshaft are provided with ball bearings and roller bearings. The cover plate and crankcase are sealed with oil seals with O-rings.
2. The crankshaft and connecting rods run on roller bearings or ball bearings. The 4 connecting rods use one crank angle to fit the crankcase. The bottom of the crankcase is an oil tank with a low oil level switch to monitor the oil level of the compressor lubricating oil.
3. The air cooling side of the compressor is equipped with cooling fan blades, which provide cooling air for the system when the compressor is running. The motor and the compressor are of vertical structure, the motor is placed under the compressor and driven by a belt. Adjust the belt tension by adjusting the motor position.

1. The cylinder head includes an intake valve and an exhaust valve. The compressor is an X-shaped symmetrical design. The piston is of light alloy construction. It is connected to the crankshaft through a connecting rod.
2. The cooling pipe between the first and second stage, the cooling pipe between the second and third stage, the cooling pipe between the third and fourth stage is copper pipe, the cooling pipe of the fourth stage outlet The tube is a stainless steel tube. Similarly, the other lines of the compressed air flow path also use stainless steel pipes.
3. The intake filter is attached directly to the cylinder head of the first stage. In order for the compressor to operate stably, regular maintenance of the intake air filter is required. The air inlet of the air intake filter is introduced into the cooling air inlet side of the unit through the air duct to prevent the compressor from inhaling hot air.
4. The second- and third-stage intercoolers, the third- and fourth-stage intercoolers, and the final-stage coolers of the compressor are equipped with gas-water separators, which are used to separate the water produced during the compression process. The secondary, tertiary and final safety valves are installed on the gas-water separator.
5. The gas purifier removes impurities and other residual substances in the air, cleans the air, and improves the quality of breathing air.

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