EVR Duckbill Check Valve: The Smart Solution for Backflow Prevention

EVR Duckbill Check Valve: The Smart Solution for Backflow Prevention

Apr 8th 2025

Introduction to Efficient Flow Management

Managing fluid flow efficiently is crucial for industries like waterworks, plumbing, and HVAC. The right valve prevents backflow, reduces maintenance costs, and ensures system longevity. The EVR Duckbill Check Valve is a game-changer in this space. Its flexible design allows for smooth operation without the need for external power or manual adjustments. This makes it a reliable choice for industries looking for hassle-free flow control.

A major advantage of this valve is its ability to prevent backflow in pipelines. Whether handling wastewater, stormwater, or industrial fluids, this valve ensures unidirectional flow. Unlike traditional check valves with moving parts, this design eliminates wear and tear, reducing the risk of system failures.

How EVR Duckbill Check Valve Works

The design of this valve is both simple and highly effective. It features a flexible rubber sleeve that opens when forward flow pressure is applied. When there is no flow or backpressure, the valve closes automatically. This mechanism prevents backflow without requiring any mechanical intervention.

Its construction allows it to function in low-pressure conditions, making it ideal for storm drains, outfalls, and industrial discharge systems. Because it operates without hinges, seals, or moving parts, maintenance needs are minimal. Unlike metal check valves, this one resists rust, corrosion, and clogging.

Its adaptability is another plus. It can be installed in various orientations, including inline or end-of-line applications. This flexibility makes it suitable for diverse environments, from municipal wastewater systems to industrial plants handling aggressive chemicals.

Advantages for Industrial Applications

Industries looking for reliable flow control solutions benefit greatly from this valve. One key advantage is its durability. Made from high-quality elastomers, the valve can withstand harsh environments, including exposure to seawater, chemicals, and extreme temperatures.

Another advantage is its self-cleaning ability. The rubber sleeve flexes during operation, reducing the buildup of debris. This minimizes clogging issues, which are common in traditional check valves. Less clogging means fewer maintenance disruptions, reducing overall operating costs.

Additionally, the valve’s low head loss design improves system efficiency. Since it requires minimal force to open, it allows fluid to pass through without significant resistance. This enhances energy efficiency in pumping systems, leading to cost savings.

Why Choose Lehigh Valley Valve?

Finding the right supplier is just as important as selecting the right valve. Lehigh Valley Valve stands out as a full-service distributor, offering high-quality valves, instrumentation, and repair parts. Our commitment to customer satisfaction sets us apart.

We provide expert support from selection to installation. Whether you need a standard valve or a custom solution, our team ensures that you get the best fit for your application. With nationwide shipping and most items ready to ship within 1-2 days, we deliver reliability and convenience.

Additionally, our inventory is constantly expanding. We serve industrial, commercial, and municipal markets, ensuring that our customers have access to the latest flow control solutions. Whether you need a single valve or a bulk order, we offer competitive pricing and prompt service.

The Bottom Line

The EVR Duckbill Check Valve is an excellent choice for industries seeking efficient and reliable backflow prevention. Its unique design, durability, and low maintenance requirements make it a superior alternative to traditional check valves.

Lehigh Valley Valve is the trusted source for high-performance valves and accessories. Our team provides expert guidance, quick shipping, and top-notch customer service. Whether for waterworks, plumbing, or industrial applications, we have the right solutions to keep your systems running smoothly.

Trust Lehigh Valley Valve—where quality and service come first.

Frequently Asked Questions (FAQs)


Ques: How long does an EVR Duckbill Check Valve last?

Ans: The lifespan varies based on operating conditions, but with proper installation, it can last for several years without significant wear.

Ques: Can it be used in saltwater applications?

Ans: Yes, the rubber construction is resistant to corrosion, making it suitable for seawater and other harsh environments.

Ques: Does it require regular maintenance?

Ans: No, it has a self-cleaning design that minimizes clogging and reduces the need for frequent maintenance.

Ques: Can it handle high-pressure systems?

Ans: It performs best in low- to moderate-pressure applications but can be customized for higher pressure needs.

Ques: How quickly can I get a valve from Lehigh Valley Valve?

Ans: Most items ship within 1-2 days, ensuring fast delivery for your project needs.