DFT® Inc. makes in-line check valves and severe-service control valves, with a problem-solving focus that grew from its original Basic-Check® design. Founded as Durabla Manufacturing Company in New York City in 1911, the company has more than 80 years of valve experience and is known for silent check valves that help prevent water hammer. DFT operates under an ISO 9001:2015 quality system and tests every check valve for pressure and leakage before shipment.
ISO 9001:2015
certification
3-A Sanitary Standards
certification
MSS Certification
certification
API 6D Certificate
certification
PED Module H Certificate
certification
U.S. Valve CorpU.S. Valve Corp. carries forward the Techno check-valve tradition, whose elastomer-hinge design was first patented in 1952, from its Linthicum, Maryland facility. After acquiring the Techno product line from Cameron in 2016, the company has focused its manufacturing on low-pressure-drop check valves for industrial applications. Its Maryland operation is ISO 9001:2015 certified and typically assembles and tests orders within one to two days.LINTHICUM, MD
Dunn's Valve Testers, IncDunn’s Valve Testers traces its Houston-area manufacturing legacy to 1978, when founder Emmitt Dunn produced the company’s first valve-testing machine for the U.S. Navy. Today, the company builds made-in-USA testing equipment to customer specifications and supports machines throughout their working lives, including systems that have remained in service for more than 30 years.MIDDLETOWN, NY
Valv-Trol LLCFounded in Akron in 1947 to solve tough valve problems for the rubber-molding industry, Valv-Trol LLC now manufactures standard and custom high-pressure water-hydraulic valves for demanding industrial systems. The Stow-based company also reconditions valves with original OEM parts, pressure-tests every valve before shipment, and supports applications ranging from hydraulic presses to hydrostatic pipe testing. Its more than 75 years of experience show in a product line shaped by difficult, abrasive service and extensive custom-engineering work.STOW, OH
Red Valve Company, IncSince 1953, Red Valve has made elastomer-based pinch and check valves for difficult flow-control work, beginning with a custom valve for the world’s first coal slurry pipeline. Its products and Tideflex® engineered mixing systems are built for abrasive, corrosive and solids-laden service in municipal and industrial plants around the world. Acquired by DeZURIK in 2021, Red Valve holds ISO 9001:2015 certification across its products and operational processes.PITTSBURGH, PA