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Backflow Preventors vs. Check Valves: What’s the Difference?

Posted on October 23, 2025 (October 23, 2025)

Both backflow preventors and check valves serve key functions in the controlled movement of liquids, ensuring that a flow direction is maintained and that a system’s operation remains unimpeded. We’ll examine some of the key distinctions below. Understanding Backflow: Causes and Contamination Risk Backflow is defined as the reversal of a fluid’s flow within a […]

Low-Flow, Low-Pressure Plastic Check Valves for Hydraulic Systems

Posted on October 6, 2025 (October 6, 2025)

Hydraulic systems are used by diverse industries to keep machinery operational and fulfill essential industrial roles. But without the right equipment in place, these systems would be unable to function, and hydraulic check valves represent core components. Hydraulic check valves, or non-return valves (NRV), permit the free flow of liquids in a specific direction, blocking […]

Ultem® PEI: Features and Applications

Posted on September 15, 2025 (September 15, 2025)

Across varied industries, Ultem® PEI has been recognized as a trusted solution for diverse product manufacturing. Known for its consistency and ability to perform under extreme conditions, the plastic remains a material of choice for demanding applications. What Is Ultem®? Ultem® PEI is a plastic material that can operate in applications that require high heat, […]

Check Valves for Brewery and Winery Equipment

Posted on September 11, 2025

When you oversee beer brewing, winemaking, or distribution operations, quality is everything. Customers expect excellent products that taste great and are delivered fresh, and if your operations can’t provide that they’ll find them somewhere else. This is where check valves for breweries and wineries come in, because to ensure quality you need your equipment to […]

Working with Chlorine or Saltwater? We have component recommendations for these applications

Posted on August 18, 2025

Summer is in full swing, and we are reminded of our customers in the water industry with a specific focus on applications dealing with chlorine or saltwater. Due to the customizable nature of our products, we offer solutions to customers working with these highly corrosive substances. For chlorine, our biggest recommendation is to use a […]

Flanged & Side Seal Options in One Valve

Posted on July 17, 2025

Need a flanged AND side seal valve option for your application? Look no further than Model #154 and Model #191, which combine both features in one small 0.455″ length valve. These two options are easily inserted into 5/8” device. The external o-ring side seal keeps the valve in place, while also providing an extra barrier […]

Check Valves for Air Compressors

Posted on July 10, 2025 (July 10, 2025)

Smart Products USA is proud to offer a wide array of custom check valves that feature tailored components, precise opening pressures, and nearly unlimited application possibilities, exclusively for those of a low-pressure, low-flow nature. Among our product offerings, we can supply check valves for air compressors to help ensure that your systems operate functionally, reliably, […]

Did you know? Most Smart Products USA Check Valves are also Pressure Relief Valves

Posted on June 10, 2025

Practically all of our check valves have a dual role as pressure relief valves. The reason some customers might not realize you can use our valves for anything other than a check valve is because flapper, disc or ball type check valves don’t have a spring to resist pressure in the flow direction. These valves […]

BACK TO BASICS: VALVES 101

Posted on May 13, 2025

If you have new people in your organization that need a primer on check valve operation, let us take you back to the basics. At Smart Products USA, you will find 40 years of experience working with check valve operation in countless low flow, low pressure environments. Check out the link below for a 1:40 […]

Buna vs. Viton® O-Rings: What Are the Differences?

Posted on March 26, 2025 (April 3, 2025)

O-rings are essential components in countless applications, providing reliable sealing abilities in diverse products and being made from many different materials. Two of the most commonly used materials for O-rings are Buna and Viton®. While both offer unique advantages, they also differ in terms of performance, cost, material composition, and more. We’ve created this guide […]

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