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Lights with reduced blue content for special applications

For certain fields of application in the pharmaceutical industry and in photograph development, where a high blue content in light might compromise the quality of the products, this company offers durable, maintenance-free alternatives in the product portfolio; for example, the…

UV chromatography monitoring for large-scale purification

The new UV (ultraviolet) Monitor Kit can be easily added to this company’s Flash 150 and Flash 400 chromatography systems in pharmaceutical development or manufacturing environments. The new UV Monitor Kit utilizes the latest in fiber-optic connections and powerful software…

This relay ends costly restarts following undervoltage trips

The new MAR Series Motor Auto-Restart Relay (photo) provides automatic restart to a motor by bypassing the start switch to re-energize the M1 starter coil following a momentary drop or interruption of the control voltage. The MAR Series is suitable…

Monitor traces of benzene with this GC unit

The eGC environmental gas-chromatograph monitor (photo) is said to be a cost-effective approach to trace-level benzene detection (below parts per billion). The manufacturer has added a new feature — a weather station — that is capable of measuring wind direction,…

Dual sensor operation with four-wire sensor connection

The Sitrans TH320/420 and TR320/420 HART temperature transmitters (photo) cover a wide range of sensor types suitable for mounting in sensor-head and rail mounting. They feature high availability of the measurement signal and ease of use. Due to the safety…

Facts at your Fingertips: Seal material properties

Fluid seals for chemical process equipment are commonly made from a host of elastomeric and plastic materials. Selecting a seal material requires careful consideration of several criteria. Presented here are short descriptions of the major criteria for seal selection and…

Self-cleaning inserts for wastewater tanks

The ready-to-install, self-cleaning Amaclean tank insert (photo) decreases the amount of stagnant water in the pump sump and reduces the need for maintenance and cleaning. In combination with select impeller types used in the wastewater pumps, this tank insert eliminates…

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Photochemical Processes in Stirred Tank Reactors

A general overview of industrial photochemistry and the design of large-scale stirred-tank photochemical reactors Photochemical processes complement or may even substitute conventional (thermal) processes. The radiant energy initiates the reaction, for example by forming radicals, and in most cases, no…

Mixer panels with additional UL and NFPA certifications

This company recently completed the qualification to self-certify its touchscreen purged panels (photo) as meeting the standards of Underwriters Laboratories’ UL-698A Code and the National Fire Protection Association’s NFPA-496 Code. UL-698A covers industrial control panels designed for hazardous locations, including…

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Facts at your Fingertips: Pneumatic Conveying Flow Patterns

Pneumatic conveying is a ubiquitous mode of conveying bulk solids in a wide range of industries, including chemicals, plastics, grain, food, agriculture, mining, power generation and cement, among others. The flow patterns within conveying lines depend on the properties of…