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1. ISO & CE certification, 2. ac air compressor machine, 3. low vibration, low noise, low oil consumption, 4. save energy - details see: https://www.machineto.com/shangair-83sh-series-4-0m3-min-high-pressure-air-compressors-for-blowing-bottles-10210496

• Shangair is a world leading air compressor manufacturers andmanufacturing machines.Shangair compressor produces many types of electrical and stationary and portable compressors. The classic heavy duty mode is particularly applied for hydropower station, PET bottle blowing, leakage detection and industry, etc. Such ac compressors also can provide one-stage,two-stage, three-stage compression. Also ,we provide air filter and purification equipment and makemotor electric anddc motorand industrial equipment
• Our company and factory are in Nanjing, Jiangsu Province
• Our price of compressor is competitive.

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Its main characters as following

• Shangair's patented technology “Polygon Cylindrical Straight Flow Valve”(patent number:00220347.2).The valve plates are free from fracture during their working life!
• Suction diaphragm valve (air and electric adjusting combination)
• Monomer cast chromium plated rings are applied, and the working life is extended by 3 to 4 times.
• Heavy-duty cast iron piston.
• Induction low oil level protection device.
• The whole unit (comprising connecting rod) adopts rolling bearing without bearing shell.
• Heavy duty ,long working life & low noise main bearing.
• Integrated low-side suction & noise reduction filtering system.
• Canonical air collection and pollution discharge system.
• Shangair's unique dynamic balancing technology is applied, the vibration is only as a quarter lf the world standard

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All the features: low flow rate of valve clearance , low flow resistance, and low negative pressure required for the suction cavity to open valve plates, can cause suction volume to increase, and effectively prevent lubricant going up.

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Nanjing Shangair Mechanical and Electrical Co., Ltd. has passed ISO 9001: 2000 international quality management system certification.