Understand Valve Versatility for Better Designs (.PDF Download)

Directional control valves perform three functions: stopping, allowing, and changing the direction of fluid flow. Although international standards describe a valve by its number of ports, it is common in North America to use the term ways, so a 4-way valve is a valve having four ports. Double-acting actuators require 4-way valves because they pressurize and exhaust two pairs of ports independently. Both hydraulic and pneumatic circuits use them, but a 3-position, 4-way valve is more common in

Register to view the full article

By registering on Hydraulics & Pneumatics now, you'll not only gain access to [current-page-title], you'll also receive a complimentary copy of Hydraulics & Pneumatics 2016 Salary & Career Report.

Already a member? .

Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.