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Reciprocating Compressors: Startup and Capacity Control Methods

There are two main reasons why compressor capacity regulation is used. The most prevalent reason is to adjust the suction flow to match the process demand. The second reason is to save energy. As a rule, capacity control is determined…

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Try harder to stay awake

Nobody would have ever called Denny proactive. He wasn’t even reactive. He was barely active in any sense of the word. A majority of his acquaintances would have, in fact, called him inactive. Nevertheless, Denny was on our sales team,…

Improvements make these actuators lighter and more compact

This company has redesigned its GO Range of gas-over-oil pipeline valve actuators to provide longer service in automating heavy-duty valve applications, such as those found in the gathering, transmission, compression and storage of natural gas. Requiring minimal maintenance, the valves…

This condensate pump is designed for reduced maintenance

The Pivotrol PTF4 is a high-capacity, pressure-powered condensate pump that covers a wide motive pressure range. The new version of this pump can be operated by steam, air or other pressurized gases, and covers a complete pressure range of up…

PTFE powder coating can make machine parts corrosion-resistant

A service for applying PTFE (polytetrafluoroethylene) powder coatings to chemical processing equipment is now being offered by this company. The coating is designed for all types of parts, from small components to large castings, that require chemical and corrosion resistance.…

These NEMA enclosures can accommodate larger-scale applications

A new addition to this companies Genesis product line, these larger-size NEMA enclosures are 24 × 24 × 10 in. Made of high-impact, ultraviolet-resistant polycarbonate materials, the Genesis 24 × 24 × 10-in. enclosures have flexible interior mounting with this…

A flowmeter specifically designed for chlorine injection

The Chlorine-Trak 760S Thermal Mass Flow Meter was specifically designed to perform as an accurate and cost-effective mass-flow-measurement solution for chlorine injection processes found in typical waste-water treatment applications. The corrosive nature of chlorine gas (particularly in the presence of…

This waterproof flashlight is for hazardous areas

The LE-217 explosion-proof halogen flashlight is designed for hazardous locations. Its polypropylene body and Tufflex lens are resistant to breakage and water. The flashlight features an oversized faceted reflector to optimize the use of the two halogen bulbs, which produce…

Store moisture-sensitive chemicals with this dessicator

The Scienceware Grande extra large dessicator cabinet provides a dust-free, low-humidity environment to store relatively large quantities of moisture-sensitive chemicals. It has a transparent body for quick visualization of the cabinet’s contents and an interior capacity of 3.6 ft3. The…

An alternative to organic extraction is now improved

The Model SFT-110 benchtop supercritical fluid extractor is an improved version of this company’s original system. Supercritical fluid extraction is an alternative to traditional extraction methods that use organic solvents. The SFT-110 uses supercritical carbon dioxide and is suitable for…