US Air Compressor has been a trusted leader in rotary screw air compressor manufacturing across North America for over 70 years, with a commitment to innovation, quality, and development of intelligent compressors and high-end air solutions tailored to meet the needs of modern industries, ensuring maximum efficiency with industry-leading 10-year warranty for long-lasting performance and peace of mind.
[pdf] Abstract: At 1:30 p.m. on May 29, 2017, an employee was changing a seal on a power swivel. The rigging chain on the tong broke, striking the employee in the side of his head. The employee suffered a fractured skull and was killed. Keywords: Broken Chain, Fracture, Struck By
[pdf] As a kind of friction clutch that uses compressed air as manipulating power source, pneumatic-tyred clutch is widely used in such equipment as oil drilling rig and workover rig, and is also an important part of the drive systems of oil drilling rig and workover rig.
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