Hygienic Feeder Design
Specifying a hygienic bulk solids feeder is not a simple task. The wide variety of requirements needed
for specific applications are similar in scope to explosion proof environmental requirement variations.
Bearing isolators 101
A bearing isolator is a non-contact, non-wearing, permanent bearing protection device. It has a rotor and a stator, and the two are unitized, so that they dont separate from one another while in use. Typically, the rotor turns with a rotating shaft, while the stator is pressed into a bearing housing. The two components interact to keep contamination out of the bearing enclosure and the lubricant in.
Security vulnerability assessment revealed
Plant security is a key priority at many plants. This 10-page paper provides background what the methodology for a plant vulnerability analysis involves. It covers topics such as how to get started, available tools, and risk assessment.
Fisher control valve handbook
This 295-page PDF whitepaper is a control valve resource that has been consistently updated for 30 years. It contains vital information on control valve performance and latest technologies.
Understanding alarm management
This nine-page PDF whitepaper discusses the pitfalls of alarm management and how mistakes in the past have been quite costly. It then addresses these mistakes and gives an overview of proper alarm management.
How to control a process with long dead time
A process with a large dead time presents a special challenge for a controller -- any controller. This short paper explains how to get the best control of large dead time processes.
Theory and practice of pH measurement
This 43-page guide covers the basic mechanism of pH measurement, the structure of the sensor and its fundamental limitations, and also provides installation, maintenance and troubleshooting guidance.