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Clippard News

How Stepper Motors Provide Precision Control

Stepper motors are used in a variety of applications to provide a means for tightly controlled motion. But what is a stepper motor, and how does it work? This paper will discuss bipolar motors in detail, explaining what they are and how they work, and providing examples of how they're used with different types of proportional valves to provide precise control.

Digital vs. Analog Control in Proportional Applications

Pressure regulators are closed-loop mechanical devices that maintain a pressure setpoint in various processes within a system. They are available in mechanical or electronic versions, in digital or analog models. Although analog devices have long been the traditional choice, digital proportional control provides significant advantages for many applications.

Cordis Pressure Controls FAQ

Is the output pressure of the Cordis linear?

A: Yes, within +/- .05% BFSL of

How can I electronically control the Cordis?

Resolution in Proportional Control

Proportionally controlling the pressure or flow of gasses and fluids to perform various functions is prevalent in laboratories and manufacturing environments. Often, it is imperative to use products that provide the best resolution. But what is resolution, what does it indicate in proportional control, and what might it mean for your application?

Cordis Proportional Pressure Controls

Precise, linear digital pressure control within a closed-loop system with ultra high resolution and repeatability.

Pressure Control vs. Flow Control


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?


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


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.