by Cowan Dynamics | Jul 9, 2020 | Solutions for Harsh Environments
Valves are used to control the flow of fluids in process control applications by opening, closing, or partially obstructing the fluid flow and controlling the line pressure. Depending on the flow requirements of the process system, some method of changing the...
by Cowan Dynamics | Jun 26, 2020 | Solutions for Harsh Environments
Up to now when you needed a pneumatic control circuit for a double acting cylinder, you ended up with a very cumbersome and costly hardware assembly to setup control valve fail modes. The time and cost required to lay out and bend the various pipes, install fittings,...
by Cowan Dynamics | Dec 2, 2019 | Solutions for Harsh Environments
Spring-return actuators are a great mechanical solution to fail-close or fail-open process valve requirements. Over the years, we’ve made some as large as 24 feet long. However, just because we can do it doesn’t always mean it’s practical; sometimes there are weight...
by Cowan Dynamics | Nov 2, 2019 | Solutions for Harsh Environments
We often get asked: “What does NPFA mean with respect to cylinders?” (Hint: The National Fire Protection Association is not endorsing cylinders) NFPA Cylinders have common features that are designed based on standards created by the National Fluid Power Association...
by Cowan Dynamics | Nov 2, 2019 | Solutions for Harsh Environments
A thank you to Bernd Schneider (Industry Manager Energy – Balluff GmbH Germany) for this weeks blog post on sensors for arctic conditions. The climatic conditions in the arctic are characterized by cold winters and short summers. There is a large variability in...
by Cowan Dynamics | Aug 2, 2019 | Solutions for Harsh Environments
Mill-Type cylinders are cylinders designed to fill a need for a more durable, more reliable product to reduce down-time and maintenance costs. Based on design specifications that are not subject to NFPA limitations, the mill-type cylinder has heavy-duty construction...
