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)

Built to last over a million cycles, the DFT® Model SCV® is corrosion-resistant stainless steel, 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 reverse flow and water hammer. (read more)

DFT ALC® Axial Flow Check Valves delivers low pressure drop, silent operation, and reliability for mission‑critical cooling system applications. It provides pump protection, minimizes energy loss, and supports high‑efficiency cooling loops. (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, installs horizontally or vertically. Can be sized for your specific application. (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)

Protect pumps and compressors from costly reverse‑flow damage. This white paper explains how DFT® axial‑flow check valves deliver non‑slam performance to prevent water hammer and ensure reliable operation across demanding process industries. Learn how to select the right valve for effective system protection. (read more)

DFT® silent check valves deliver engineered reliability for demanding fluid systems. Designed to prevent or eliminate water hammer, our in-line, axial‑flow check valves provide fast, non-slam closure and stable operation across a wide range of flow conditions. Can be installed horizontally or vertically and is available in sizes and materials tailored to your specific sy... (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)

The TLW® tapped lug wafer check valve is engineered to meet safety requirements in refining, chemical, gas, and other demanding applications. Its one-piece body provides a tight seal with no exposed studs, supports horizontal or vertical installation, and delivers reliable performance with long service life. (read more)

DFT’s spring-assisted, non-slam check valves are engineered to support the unique challenges of natural gas systems. Their axial-flow design helps minimize turbulence and vibration, while corrosion-resistant materials and tight shutoff capabilities contribute to long service life and system protection. (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)

For over 80 years, DFT’s valve engineers have partnered with professionals across industries to identify and resolve water hammer. Now, we’re sharing that expertise with you!

Download our Understanding Water Hammer eBook to learn about causes water hammer and explore proven solutions to keep your fluid systems running smoothly. (read more)

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

Available on-demand, DFT's webinar is designed for valve professionals and engineers seeking to deepen their understanding of check valve applications within LNG processes. Contains an overview of LNG fundamentals, setting the stage for a detailed exploration of how various valves, especially check valves, are best utilized. (read more)

The DFT® DSV® Sanitary Check Valve is 3-A compliant and clean-in-place (CIP) ready, ideal for hygienic applications. With vertical and horizontal configurations, a quick-release clamp, and sizes from ½" to 4", it ensures reliable, non-slam performance and easy maintenance. Made from 316L stainless steel with a 32Ra internal finish (opt 15Ra). (read more)

Saltwater Disposal: Check Valves for Oil & Gas - This whitepapter provides an overview of produced water processes and highlights how check valves contribute to the success of saltwater disposal systems. (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)

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)

DFT® WLC® Wafer Style Check Valve: Spring-assisted, non-slam design for fluid flow systems. Prevents reverse flow, minimizes leakage, and supports horizontal or vertical installation across multiple ASME classes and sizes. (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 80 years ago. (read more)

Choosing the right check valve is vital for system reliability and efficiency. Cut maintenance costs by understanding key differences between valve styles. Learn how to specify and size check valves for optimal flow, improved performance, and lower total cost of ownership. (read more)

We get these questions a lot—let’s clear a few things up:
Thinking of working with DFT®? Here are 3 of the top questions we get (and the answers):
1. Can I order directly from DFT®?
We sell exclusively through our network of distributors—so we don’t take direct orders from end users. However, we’ll gladly connect you with... (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)

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, DFT has created an eBook outlining the benefits of flexibility in design for check valves. (read more)

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

DFT® has engineered the TLW® Tapped Lug Wafer Check Valve, a tight-sealing, non-slam axial flow check valve to address safety requirements and precautions in refinery and chemical applications. The TLW® has a 1-piece solid-body construction (to prevent leak paths) and no exposed studs. Find out more... (read more)

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)

To manufacture semiconductors, fabs require significant amounts of water and steam. Check valves are critical components... (read more)

DFT^® Model SCV^® Check Valve is a corrosion-resistant, dependable, versatile, and economical spring-assisted, in-line silent 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 a line of Severe Service Check Valves engineered to withstand extreme conditions. Commonly used in severe service, boiler Feed, or digester applications, they provide reliable low maintenance service. (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)

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

DFT® non-slam check valves are designed to solve reverse flow, vertical flow, and water hammer issues in critical applications. Download our Check Valve Catalog to discover the right solution for your system. (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. They install horizontally or vertically, and provide superior reliability with a long maintenance life. (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)

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

The PDC® has a pulse-dampening 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)

DFT® has a full line of Steam Service Check Valves in sizes 1/2" and up. Stainless Steel with tight shut-off, low maintenance, 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)

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

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

DFT’s ALC® and WLC® Wafer Style Check Valves are designed to mitigate 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...

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)

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

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® 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® 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)

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)

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 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)