Directional valves such as Parker Hannifin's B3G-Series threeway (left) and four-way valves are often used to control pneumatic operations.

ISA recently published Fluid Mechanics of Control Valves: How Valves Control Your Process by Hans D. Baumann, Ph.D., PE — a world-renowned expert on control valve technology who is credited with more ...

How Flow Control Valves Work Flow control valves have a valve stem that moves up or down inside the valve body, causing the needle, or sealing element at the end of the stem, to restrict the flow of ...

You have likely heard of variable valve timing by one of the names manufacturers have for the system, such as VVT-i or VTEC. So what is it and what does it do?

Scope Describe the forces at work tending to create instability in control valves, including inherent and installed stability. Define design improvements to improve inherent stability. Include general ...

If your control valve is corroded or damaged beyond repair, look to CJ Pony Parts for new and remanufactured power steering components to help get you back on the road in short order.

The EGR in a diesel engine plays a significant role in your vehicle's overall performance, but what is it exactly? Here's everything you need to know.