View how the DFT® Model GLC® Silent Check Valve, a spring-assisted, dual guided, non-slam, flanged check valve provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. See GLC® Video compared to a Swing Check Valve.® (read more)

Watch DFT's Video: GLC vs. Swing Check Valve and see how the axial flow non-slam GLC® check valve closes silently as the flow stops, but before reversal of flow, thereby eliminating water hammer.

Built for reliability, longevity, and low maintenance, the GLC® Check Valve provides tight shut-off and protects other equipment in the system from water hammer. (read more)

DFT's engineers have been working with professionals in a range of industries for decades, helping to identify and resolve the underlying causes of water hammer.

We are sharing the knowledge in our Understanding Water Hammer eBook that outlines the causes and most effective solutions for Water Hammer in fluid flow systems. (read more)

The DFT® Wafer style model ALC® easily replaces unreliable double door or butterfly check valves.

• No more door springs or hinge pin failures
• No more leakage due to misalignment of the doors and seat
• No more internal parts going downstream
• No more reverse flow

DFT® Axial-Flow Check Valves are known for pump and compressor protection from reverse flow and water hammer. To find out more, download this DFT® white paper. (read more)

The DFT® model PDC® Check Valve is specifically designed for reciprocating compressors and as a direct replacement for Failing Piston Check Valves.

The PDC® features include a pulse damping chamber to maintain the disc in the open position during the momentary reductions in flow associated with each cycle of a reciprocating compressor and... (read more)

Have a problem with failing double door style check valves? Who doesn't!

Want to prevent "water hammer" and "reverse flow" and have tight shut-off? Sure you would! Find out more... (read more)

The DSV® Sanitary Check Valve is an in-line spring-assisted check valve designed to prevent process backflow. It is Clean-In-Place and 3-A Certified. The DSV® is available in "Vertical" or "Horizontal" to accommodate various piping arrangements. (read more)

The DFT® models GLC® and Excalibur® NAB (Nickel-Aluminum Bronze) Silent Check Valves are spring-assisted, axial flow, nozzle style, non-slam check valves that are designed to withstand the harsh environments of salt and brine water applications where corrosion resistance and marine life deterrents are a must. (read more)

DFT's axial-flow silent check valves are known worldwide as the valve to use for preventing or eliminating Water Hammer problems. Available in many styles and install horizontally or vertically. Can be sized for your specific application. (read more)

DFT® check valves are designed to work in any orientation: vertical flow up, vertical flow down, or horizontal.
Whether you need a wafer, flange, threaded, or butt weld style ends– DFT® has the Check Valve for you! Valve sizing available to meet your specific application. (read more)

DFT’s model TLW®, a Tapped Lug Wafer Check Valve, was built to address safety requirements and precautions in refinery and chemical applications but relevant for industries where studs are required not to be exposed to fire, corrosion, or harsh chemicals. The TLW® is a tight sealing, non-slam, check valve with 1-piece solid body construction (to prevent leak paths) and no e... (read more)

The DFT® model DLC® check valve is one of many corrosion resistant, dependable, and economical spring-assisted, non-slam in-line check valves built for a wide range of applications. Whether the fluid is liquid, gas or steam, the DLC® provides tight shut-off and protects other equipment in the system from water hammer. Its 316 stainless steel construction ensures a long servic... (read more)

Available now on-demand is the DFT Webinar "Hydrogen Production and the role of the engineered check valve"

Just click the link to register and watch on-demand. Hear about what hydrogen is, how it is produced, the hydrogen rainbow, and methods of storage and transmission.

Explore selecting the appropriate check valves within the hydrogen processes, valve sizing, materials,... (read more)

This DFT® Model WLC® Wafer Style Silent Check Valve is a lightweight, spring-assisted, center-guided, non-slam check valve that provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations. (read more)

Featuring the WLC® BF model Severe Duty Wafer Style Check Valve with a proven design that lasts 2-3 times longer than other valves. For horizontal and vertical installations. (read more)

DFT® silent check valves are known around the world as the valve to use for preventing or eliminating Water Hammer problems. Our in-line, axial flow, silent check valves can be installed either horizontally or vertically and can be sized for your specific application. (read more)

Built to last over a million cycles, the DFT® Model SCV® is a corrosion-resistant, reliable, and economical spring-assisted, in-line check valve for a wide range of applications. Whether the fluid is liquid, gas, or steam, the SCV® provides tight shut-off and protects other equipment in the system from water hammer. The stainless steel construction ensures a long servi... (read more)

The DFT® Excalibur Silent Check Valve is a spring-assisted, center guided, axial flow, non-slam check valve that is B16.10 face-to-face and provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations. Horizontal or Vertical Installation. (read more)

The DFT® Basic-Check™ Valve has a simple yet rugged design, designed to prevent or eliminate water hammer. It is a reliable all-purpose, non-slam valve that provides low-maintenance service for a wide range of liquids, steam, and gases at various pressure/temperature combinations. Tight shutoff and built to last. (read more)

Water hammer is a relatively common problem that is often only briefly touched upon in engineering school curriculums. This DFT webinar Water Hammer- What is it? How do I prevent it in my facility? explains what water hammer is and steps to take to prevent or mitigate its occurrence. (read more)

Choosing the right check valve is critical to a properly designed process system. The right check valve not only improves overall system reliability, it lowers maintenance costs in the long term. Learn about fundamental differences between many styles of check valves. Learn how to specify and size a check valve to ensure proper flow, increase efficiency, and reduce the total cost of owne... (read more)

DFT^® Model SCV^® Check Valve is a corrosion-resistant, dependable, versatile, and economical spring-assisted, in-line check valve for a wide range of applications. SCV® Check Valves provide tight shut-off and protect other equipment in the system... (read more)

DFT has an eBook - Axial Flow Check Valves for Pumps and Compressors which addresses a number of important details to guide you in your check valve procurement journey. Download it now! (read more)

DFT's model DSV® non-slam Sanitary check valves meet 3A Sanitary Standard 58-02 and are designed to prevent flow reversal in industries complying with strict cleanliness codes. It is available as a Vertical or Horizontal valve, to accommodate various piping arrangements. (read more)

Featuring 2 of DFT’s high-performing check valves, the Excalibur® flanged check valve and the WLC® wafer check, both built for use in chemical applications. They have a tight seal, protect other equipment in the system from reverse flow, and are designed for low maintenance with long service life. (read more)

Download the latest DFT® Check Valve Catalog to view our complete line of non-slam, axial flow, silent check valves, and find out more about how they help our customers solve problems like reverse flow, vertical flow, and more. (read more)

DFT’s PDC® Check Valve: Designed specifically for reciprocating compressors

The PDC® includes a pulse-damping chamber to maintain the disc in the open position during the momentary reductions in flow associated with each cycle of a reciprocating compressor and to protect against premature seat wear. Meets API 6D. (read more)

The DFT® model FBC® is an economical, compact, lightweight, insert wafer check valve that easily installs between two flanges. This in-line, spring-assisted design prevents "water hammer" and reverse flow". The FBC® contains all of the proven features of the Basic-Check® valve developed by DFT over 75 years ago. (read more)

For installation tips and guidelines to ensure the most efficient use of the check valves in your system, download DFT's eBook here. (read more)

Learn the Importance of Check Valve Design Flexibility

When it comes to the flow of fluids or gasses in the system you are designing, a small change can make a huge difference. To help you evaluate the best solutions for your particular needs, we’ve created an eBook outlining the benefits of flexibility in design for check valves. (read more)

The DFT® Y-Calibur® Silent Check Valve is an in-line repairable, spring-assisted, center-guided, non-slam check valve that provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, bonnet, gasket, seat, spring, disc with stem, and guide bushing. (read more)

DFT® has a line of Severe Service Check Valves engineered to withstand extreme conditions. Commonly used in severe service or digester applications, they provide reliable low maintenance service. (read more)

The DFT® model PDC® and model GLC® are our most in-demand check valves that meet API-6D. They provide tight shut-off and protect other equipment in the system from reverse flow, chattering, and water hammer. Install horizontally or vertically, and provide superior reliability with a long maintenance life. (read more)

The DFT® model Excalibur® and GLC® Check Valves, provide tight shut-off and protect other equipment in the system from reverse flow and water hammer. Provides superior performance and is built for reliability, longevity, and low maintenance. View DFT’s video on how a GLC performs against a swing check valve. (read more)

The DFT® HI-100® is a severe service control valve that can handle a wide variety of fluids, from gases and liquids to light slurries, as well as high pressures and a wide range of temperatures. The unique straight-thru Venturi design performs in the harshest applications. Maintenance can be performed inline without expensive tools using our quick-change trim. (read more)

DFT® Vacuum Breakers provide reliable and effective protection against the collapse of pressure vessels, tanks, and rolls. They prevent condensate “back-up” and are used to break siphons, prevent pipe collapse during transient pressure drops, see more. (read more)

For severe service applications, the DFT® model HI-100® Control Valve features a straight-thru venturi flow design, providing reduced turbulence and high recovery. This self-purging design will not clog from solid particles and is cavitation resistant. Find out more... (read more)

For improved performance and reduced effects of water hammer, DFT’s ALC®Wafer Check Valves help to solve hydraulic shock problems. Read more in this case study from a wastewater treatment facility. (read more)

Watch this DFT® model DSV® Sanitary Check Valve video to see how this 3A in-line spring-assisted check valve is designed to prevent flow reversal in industries with strict cleanliness codes. (read more)

Watch this on-demand webinar, and hear about the many natural gas applications in which check valves are used throughout the journey from well to distribution.
Discover the important role of check valves and how to resolve flow issues and avoid failures. (read more)

Superior Protection for your Pumps and Compressors. Find out why Axial flow check valves are the best choice of protection to safeguard your expensive investments.
View DFT's webinar to learn more about protecting your pump and compressor investments! Now available ON-DEMAND. (read more)

DFT’s ALC® and WLC® Wafer Style Check Valves are designed to prevent water hammer and are the answer to unreliable double door/butterfly check valve problems. These reliable, low-maintenance axial flow check valves are for a wide range of fluids and pressure/temperature combinations.

• No more door springs or hinge pin failures....

Power Plants are well known for severe service conditions. If you are experiencing frequent maintenance or valve repairs, this can be an indication of a severe service condition.

In the DFT ebook, The Importance of reliability: Severe Service Control Valves Explained, we review what severe service control valves are and the types of applications that require them. Download... (read more)

The ULTRA-TROL® is designed for lined pipe applications requiring flanged end connections. The internal design features are similar to the HI-100®. They include the in-line through ported venturi flow shape and the contained spherical ball. (read more)

DFT® has a full line of Steam Service Check Valves available in sizes 1/2" and up. They feature tight shut-off, reliability, and long service life. DFT check valves for 4" & under steam service applications include:

•DFT Basic Check® •DFT Restrictor Check

• DFT SCV® • DFT SCV-R® • DFT Vacuum B... (read more)

DFT has put together a quick guide to understanding the fluid conditions that will most heavily impact the control valve selection process. In DFT's Selecting Control Valves eBook you will learn:

• What conditions are most critical to valve selection and why
• How process conditions affect the choice of control valves (read more)

The DFT model HI-100 ® Severe Service Control Valve features an in-line straight-thru Venturi flow design. The unique nozzle design smoothes turbulence which eliminates body, trim and piping damage caused by high velocity fluid impingement in your system. (read more)