As we know, most liquids are considered non-compressible which means that no matter how much pressure is applied to them we can not modify their volume, they are not elastic. This characteristic is...
Cowan Connection
Latest News from Cowan Dynamics

A Series Feature
Designed and engineered for severe-service applications, the A Series bore sizes range from 4” to a whopping 42” diameter. We also offer a wide range of automation options.

AS Series Feature
Next-generation “compact” model provides a shorter and lighter canister for installations where space is a premium.

ML Series Feature
Our ML Series Double-Acting Hydraulic Valve Actuators are designed to suit a wide range of applications; from commodity to severe-service extremes.
Electo-hydraulic Actuator VS Hydraulic Actuator
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...
Electro-hydraulic Actuator vs Electric Actuator
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...
What is an Electro-Hydraulic Actuator
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...
Press Release: C-PAC Module Pneumatic Manifold & Online Store
September 25, 2020 Cowan Dynamics is pleased to announce advancements to their “C-PAC Module” Pneumatic Manifold and the launch of the C-PAC store. The C-PAC (Cowan’s Pneumatic Actuator Control)...
Press Release: Expanded E2H Series | Electro-hydraulic Linear Valve Actuator
Montreal, Quebec July 24, 2020 Cowan Dynamics is pleased to announce the release of their newly expanded E2H Series, Electro-Hydraulic Linear Valve Actuator. The electro-hydraulic actuator...