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Pressure Control vs. Flow Control

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Pneumatic fluid power is a universal and cost-effective method for delivering energy to instrumentation and industrial processes. In cooling applications, fluid flows past something to carry away heat. In an analytical instrument, the velocity of a carrier gas may be a critical timing mechanism. Gas pressure can mitigate sleep apnea. In each of these cases, fluid is controlled to achieve a particular outcome. The power delivered to these processes requires pressure control or flow control. 

When It Really Matters, How Can You Trust That a Valve Is Reliable?

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Every device is designed for a particular need; therefore, product life is relative to the application. It stands to reason then that if an application only requires million cycles, that application does not require a billion cycle valve. Or does it?

Using Multi-Channel Gradient Valves to Mix Corrosive Media

Basic fluid mixing system designs involve connecting individual valves using fittings and tubing to create the required flow paths. This can be improved upon with manifold mounted valves, which reduce the number of possible leak points by reducing the number of required fittings while still allowing for fairly complex flow paths.

Precision Control for Liquid Extraction Applications

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The field of liquid extraction presents unique challenges. While the separation of substances can be performed with a variety of different methods, these processes typically require precise control of multiple fluids within a single application. This can be complex, but Clippard provides a simple solution.

How to Extend the Cycle Life of Your Valve

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What can you do to maximize the life of your valves? Valve cycle life is the valve's expected life under ideal conditions, but few applications are ideal. An understanding of the factors that affect valve life is important for selecting the proper valve and materials.

Comparing Poppet Valves vs. Spool Valves

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Two of the most common designs for pneumatic control valves are the poppet and the spool. A poppet valve consists of an orifice that is opened and closed by raising and lowering a sealing surface onto the orifice. It usually has an internal spring that holds the valve in the closed position. When the spring force is overcome, the sealing surface lifts off the orifice and the valve opens.

What You Need to Know About CV

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It is commonly understood that nearly every pneumatic device creates a flow restriction in the system. But… By how much? The measurement and expression of that flow restriction is not always as straightforward as it may seem. This article outlines the common methods that manufacturers utilize to express flow capacity.

Solvent & Diffusion Bonded Acrylic Manifolds

Clippard uses acrylic manifolds in a variety of standard and custom applications. Customers may be familiar with Clippard's "VA" pneumatic circuits, which use modular valves mounted on acrylic manifolds to create single-function pneumatic circuits.

How to Select Electronic Directional Control Valves

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Selecting the appropriate valve for any application is imperative to ensure proper direction of flow, flow rate, exhaust function, and even basic valve functionality. In pneumatics there are so many terms for valves that it can seem overwhelming. Knowledge of valve function, porting, and actuation is key to obtaining the correct valve for the application.

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