by Cowan Dynamics | Oct 6, 2020 | Solutions for Harsh Environments
When comparing electro-hydraulic actuators vs hydraulic actuators, the electro-hydraulic actuator is self contained. Bulky and complex piping systems are not needed. The electro-hydraulic actuator control valve provides flexibility to easily control the opening and...
by Cowan Dynamics | Oct 6, 2020 | Solutions for Harsh Environments
When comparing electro-hydraulic actuator vs an electric actuator, the electro-hydraulic actuator has the following advantages: Speed Duty Cycle Price Fail-safe capability Force The electro-hydraulic actuator is the ideal choice for applications that require high...
by Cowan Dynamics | Oct 6, 2020 | Solutions for Harsh Environments
An electro-hydraulic actuator is an actuator that operates a valve via pressured hydraulic fluid however, its main source of energy is solely electric power. The supplied electric power is used to energize a motor that runs a hydraulic pump which then supplies...
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...
