Hydraulic Directional Control Valves

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They perform multiple services and can be customized to fit the application. Hydraulic valves are composed of the main casing, the bonnet that is a removable casing section, a seat or connection and a sealing disc. Read More…

Hydraulic Directional Control Valves Hydraulic directional control valves are parts that are designed to control the flow and direction of a fluid in a hydraulic system in order to prevent improper levels of pressure.

Leading Manufacturers

Blanchester, OH  |  937-783-2411

Since 1912, Fulflo Specialties has been providing "chatter free" products that modulate to regulate pressure. The company is able to provide customers with an extensive line of parts, which can mount in any position. A pioneer in fluid power, we constantly strive to be a worldwide product producer leader. For all hydraulic valves and other pressure needs, contact Fulflo.

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Fulflo Specialties, Inc. $$$

Newark, NJ  |  800-633-8234

We are dedicated to providing our customers with the highest quality hydraulic valves available in the industry! Our research and development departments are dedicated to working around the clock in order to keep our products on the leading edge of technological innovations at all times because we know that you rely on the most advanced products in the market! To learn more visit our website today or send us an email!

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Metro Hydraulic Jack Co. $$$

Northboro, MA  |  508-393-7660

The Hope Group serves the northeast with hydraulic valves, pressure control valves, pressure relief valves, check valves and more. We distribute only the highest quality products to our customers, so call or go online today to see what we have in stock to suit your hydraulic valve needs.

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The Hope Group $$$

Addison, TX  |  800-580-1212

Wilson Company is a service-oriented distributor of a wide variety of pneumatic and hydraulic products, including hydraulic cylinders. We provide hydraulic cylinder products from Parker Hannifin, Enerpac, and others. We also distribute clamps, couplings, adapters, filters, valves, pumps, fittings and hose.

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Wilson Company $$$

Kent, WA  |  800-367-5646

Founded in 1945, Spencer Fluid Power remains a value added distributor of hydraulic components and systems. Spencer Fluid Power continues to sell and support hydraulic components to a wide array of customer types. Small to large OEM's, timber, mining, construction and oil & gas are just a sample of the numerous industries Spencer supports today.

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Spencer Fluid Power $$$
placeholder image Fulflo Specialties, Inc. Metro Hydraulic Jack Co. The Hope Group Wilson Company Spencer Fluid Power

Directional controls valves have the ability to permit flow in more than one direction, so they have a component that shifts or rotates to accommodate the number of ports. Some directional valves are also check valves, self-activating safety valves that allow fluid to flow in only one direction so as to prevent contamination.

Hydraulic directional control valves may be constructed from a metal such as brass, bronze, copper, cast iron or stainless steel as well as plastic or composite materials. They are generally an average around three inches in length although they can be smaller than a pencil tip or larger than a bowling ball.

Specifications such as diameter, pressure and temperature are important to consider so they might achieve the maximum result. Common uses for control valves include process control, oil or fuel, sanitary, wastewater, water, irrigation, gas or air, steam, fire service, cryogenic, refrigeration, chemicals and laboratory or medical within industrial, manufacturing and labor industries.

Directional control valves types include globe, diaphragm, pinch, knife or gate, needle, butterfly, ball and plug. They are usually electronically controlled though they can also be operated manually by rotating a handwheel or turning a switch at least 90°. Inside the valve, a piston or other component (depending on the specific kind of valve) allows fluid flow through or around itself until a signal is given to close off one side while another opens.

Some automatically change when the fluid pressure behind the piston or part exceeds the pressure below it. One of the most common kinds of directional control valves is the hydraulic ball valve. This valve is widely used and utilizes a spherical element with holes bored through it. When rotated, a different hole lines up with the corresponding pipes or tubes and the fluid changes direction.

Standard ball valves have only one hole that allows for straight-through flow with a simple quarter turn shutoff. When used for directional control, ball valves often have holes that form a T; one or all three passageways may be shutoff. Some directional control valves are faster than others; the speed and tightness of the seal depends on the mechanical strength of the part, the precise degree of machining and the method by which it is activated.

Hydraulic Directional Control Valves Informational Video