Water Treatment

Submitted by Dr. Jon Monsen

This white paper discusses the rising stem valve and compares it to the rotary valve. The reader will learn what to consider to ensure the lowest overall life cycle cost and best possible degree of process control.

WIKA Introduces Revolutionary Liquid-Filled Gauge with Flexible Window

In WIKA’s new FlexWindow™ liquid-filled gauge, an optically clear liquid silicone rubber (LSR) replaces glass or polycarbonate for greater safety and durability, unimpaired reading, and no need for pressure venting.

Enerdoor Passive Harmonic Filter FINHRM5C

Enerdoor recently released a new Passive Harmonic Filter: the FINHRM5C. This filter is UL approved and is the most advanced and innovative passive harmonic filter available.

Submitted by Jon Monsen || Valin Corporation
Calculating the Installed Flow and Gain of a Control Valve

A simple process method based on the principle that piping pressure losses are approximately proportional to flow squared is presented.

Industrial Tank Heating: Immersion Heaters

There are two main applications when it comes to tank heating- maintaining temperature or increasing temperature.  Temperature maintenance, is typically accomplished via external means like heat trace or with insulating blankets wrapped around the tank.

Walchem LPR Corrosion Sensor for WCT900 Series Controllers

Walchem’s LPR corrosion sensors, in combination with the WCT900 Series controllers, offer a cost effective and reliable solution to your corrosion monitoring and controlling needs.

Submitted by Corey Foster || Valin Corporation
Remote Access

As long as products have had ethernet ports, people have been asking for remote access to them. They believed they could just plug the devices into the internet, and it would all work. As more software tools became available and internet speeds increased, capable users found ways to give themselves access, however, there was a catch.

Submitted by Peter Jessee || Valin Corporation
Control Valve Sizing

Most people who are familiar with control valves have seen the formula for calculating the valve capacity (Cv) required to pass a given flow rate of water. This seems fairly straightforward until you ask yourself, what is the correct value of differential pressure to use?

Submitted by Fred Gridley || Valin
Control Panel Enclosure

Maintaining a consistent internal environment for your enclosures is critical for equipment to function properly. The National Electrical Manufacturers Association (NEMA) has defined standards for specific enclosures designed for the application and environment when correctly installed. Learn more.

Submitted by Iwaki Air
Pros and Cons of Air Powered Pumps

When designing a pump system, the way the unit is powered must come into consideration. The two most prominent ways of powering a pump are via electrical power or compressed air.