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Monitor pressure and temperature in refrigerant lines

The new TDWLB-LC series wireless transducer (photo) is designed for use with sensors installed on refrigerant lines to monitor both pressure and temperature, and ensure that the proper amount of refrigerant is in the system and it is running efficiently.…

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Technology Profile: Isopropanol Production from Propylene

This column is based on “Isopropyl Alcohol Production from RG Propylene – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/isopropyl-alcohol-production-cost. Isopropanol (isopropyl alcohol) is among the most commonly produced lower alcohols — ranked third in…

A new release of this pipeline-management application

This company has released Enterprise Pipeline Management Solution (EPMS) R1.03, the latest version of its enterprise-level pipeline applications suite (photo). Developed for deployment in the pipeline operations management environment, EPMS supplements a core SCADA platform with specific gas and liquid…

These tube fittings drastically increase working pressures

The Gyrolok XP system of tube fittings (photo) is specifically designed to address the challenges of assembling fittings onto a wide range of corrosion-resistant, heavy-wall small-bore tubes. These fittings can grip heavier wall tubes, which is said to increase working…

Wireless instruments that never need new batteries

This company has developed WirelessHART instrumentation devices (photo) with batteries that are expected to last the entire life of the device. The batteries are engineered to minimize energy usage based on an in-depth microsecond-by-microsecond analysis of a unit’s power consumption.…

Durable LED light fittings with universal mounting options

These LED pendant light fittings (photo) have various installation options for worldwide use in Zones 2, 21 and 22. The new 6470 pendant light fittings are suitable for general lighting in chemical, oil-and-gas and other industries, due to the efficient…

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Guidelines for Designing a Compressed Air System

With the proper knowledge, engineers can work alongside compressor manufacturers to ensure that an optimal air compression system is installed There are various factors to consider when designing a compressed air system that help to improve the reliability and efficiency…

Rotating Machines: Digital Technologies to Enable Predictive Maintenance

Predictive maintenance for rotating machinery is gaining prominence as plant operators embrace analytics and learn how to approach their operating benchmarks Rotating machines, such as motors, compressors, pumps and turbines, are critically important components of plant operations, and must perform…

Pressure-Relief System Design: Developments and Deficiencies

Areas of recent activity for pressure-relief systems include new calculation methods and updates to existing codes and standards. Included here is an overview of recent developments and a look at the results from a recent study of pressure-relief system deficiencies…

Sizing Pressure-Relief Valves for Two-Phase Flow

Several methods are available for sizing two-phase pressure-relief valves (PRVs). Here, the API 520 homogeneous direct integration method is compared to a potentially simpler alternative that does not require integration Two-phase pressure-relief valves (PRVs) have been studied by many researchers.…