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Inside their control valve test and research facility, a major valve manufacturer was using two reciprocating air compressors that were designed to run until the stored air pressure in the extremely large volume tanks reached a set point. They would then shut off for anywhere from several minutes to several hours, depending on demand. During… Read More

Water hammer is a phenomenon that can be either a mild nuisance or a severe problem. It is usually considered a safety hazard. The extreme pressure caused by water hammer can blow out gaskets and cause pipes to suddenly rupture, causing serious injury to anyone nearby. Identifying Water Hammer Usually, you can identify water hammer… Read More

Check valves are among a system’s essential components. For greatest efficiency and maximum protection, however, check valves must be properly sized in order to work at their highest level. A properly sized check valve will make a system reliable and provide the longest service with the minimal amount of manual attention. Proper sizing will eliminate… Read More

DFT has been producing high quality check valves and control valves for a range of applications for decades. In that time, we’ve become known for quality and that is most apparent in our HI-100™ Control Valve. In-Line Straight Thru Design The HI-100™ severe service control valve features an in-line straight-thru venturi flow design, as opposed… Read More

Check valves perform a crucial function in pumping systems by permitting the forward flow of water when open, and preventing reverse flow when shut. When selecting a valve for your water and wastewater pumping system, you will likely want one that not only executes this task, but also does so efficiently. Check valves should minimize… Read More