The new Varodry dry-compressing screw vacuum pump, made by Leybold, Cologne, Germany, is 100% oil-free. Screw pumps are considered state-of-the-art industrial vacuum pumps, according to company officials, and the Varodry series is well suited for a wide range of manufacturing processes. That’s because in industrial settings, pumps not only need to handle clean air, but […]
Compressors meet shipboard air demands
Many engineers are familiar with plant compressed-air networks that pipe high-pressure air to pneumatic tools, industrial robots and countless types of production and packaging equipment. Perhaps not as widely known, but equally as important, compressed air also handles critical tasks on large commercial ships. Compressed air is used onboard in a number of ways. One […]
Variable frequency drive rotary screw air compressors
VFD Series of variable frequency drive rotary screw air compressors from Sullivan Palatek range in size from 15 to 450 hp. The standard VFD microprocessor has a customer-friendly display with expanded descriptions of all the operating controls. It has RS485 communication between it and the VFD and displays all pertinent VFD power consumption data on […]
3-stage compressors for medium pressure
Medium pressure range of industrial air compressors from Bauer features continuous duty rated, 3-stage, air cooled, pressure lubricated compressors for the most demanding requirements. The full-featured control system allows for unattended, automatic operation. Heavy-duty frames and balanced compressor designs do not require a special foundation for installation. 350-1000 psi (24-69 bar) 7.5-240 scfm (212-6800 lpm) […]
Compressed Air Fail: Compressor exhausted
By Ron Marshall An automotive parts manufacturer had expanded their production and were running out of compressed air capacity. The pressure was dropping so low that it was interrupting production activities and causing parts delays. Facing these problems, the maintenance foreman rented a small diesel compressor to supplement his other three electric compressors, putting it […]
Compressed air storage systems
When an application requires storage, either in the form of a single cylinder or multiple cylinders, arranged either for bulk or banks of cascading, a properly sized storage system offers many benefits to the compressed air/gas system. The purpose of storage is to serve as a reservoir to handle constant, sudden or unusually high demands […]
Externally heated desiccant air dryers
AEHD Series of externally heated desiccant air dryers from Aircel range in size from from 150 to 3,000 scfm. With its energy saving capabilities, the AEHD Series of externally heated desiccant dryers combine efficiency with technology to meet the needs of an application. Heated process air regenerates the towers, requiring less purge air overall (about 7% the […]
HBD Series of rotary screw air compressors
The HBD Series of rotary screw air compressors from Hertz Kompressoren feature high quality components such as IP55 electric motors with the IE3 efficiency class, IP54 fan motors, wye-delta motor starter system, electrical materials selected according to the IEC, UL/cUL standards as per the market requirements. High-efficiency screw blocks consume less energy. Other benefits include […]
Why is compressor oil important?
The oil inside lubricated screw compressors not only protects the internal bearing surfaces from wear, but it also has other jobs. Compressor oil is much different than the lubricant inside other typical machines — therefore, it is best not to stretch the maintenance intervals of your compressor, and reduce the oil changes, especially in hot […]
Screw booster compressor series from Ozen
OABC D screw booster compressors are designed for the demanding conditions of industries that require medium pressure at continuous production. They work 24/7 seamlessly, and have high overall equipment efficiency. Provide a suitable option to replace piston boosters; at end of five years, they generate savings of up to 15-20% of total cost of ownership. […]
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