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DFT

DFT® has been making the in-line check valves for over 70 years. It started with a customer’s need for a small metal-seated check valve that could be installed in any position while providing tight shut-off. The Basic-Check® valve was developed to satisfy that need. Over the following decades, other customers’ needs led to the development of the ALC®, DLC®, DSV®, Excalibur®, FBC™, GLC®, GPV™, PDC®, SCV® and WLC® styles of in-line silent check valves. Each of these DFT® in-line check valves addresses the particular needs of a modern day customer.

DFT’s objective is to solve check valve problems and prevent check valve failures. DFT® has learned by listening to customers like you that each industry has special needs that can exceed other check valve designs. DFT specializes in providing in-line check valves that meet customer requirements as opposed to simply meeting line size. In some cases, minor modifications to our valves have solved customer problems by improving performance and extending service life. The “Check Valve Doctor™” continues to grow from satisfying these needs and solving problems.
 
The DFT® silent check valves are known around the world as the valve to use to prevent or eliminate water hammer problems. Whatever your size, pressure or piping configurations, DFT® has the valve that’s right for you.

ALC Wafer Check Valves

The ALC® is an in-line, spring-assisted, single-guided “wafer” check valve designed to prevent “water hammer” and “reverse” flow. The lightweight compact design fits between mating flanges and meets API 594

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DLC Flanged Check Valves

The DFT® Model DLC® is a corrosion-resistant, dependable, versatile, and economical spring-assisted, in-line check valve for a wide range of applications. Whether the fluid is liquid, gas, or steam, the

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Excalibur Flanged Check Valves

The DFT® Excalibur® Silent Check Valve is a spring-assisted, center-guided, in-line, check valve that provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists

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GLC Flanged Check Valves

The DFT® Model GLC® Silent Check Valve is a spring-assisted, center-guided, in-line, flanged check valve that provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations. The

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PDC Flanged Check Valves

The DFT® Model PDC® Silent Check Valve is specially designed for use on the discharge side of reciprocating air or gas compressors. The DFT® model PDC® Check Valve is a

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WLC Wafer Check Valves

The DFT® Model WLC Wafer Style Silent Check Valve is a lightweight, spring-assisted, in-line check valve that provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations.

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