Category: Blog

Introduction The interface between a valve and its control mechanism remains one of the most frequent points of failure in modern water and wastewater treatment plants. A substantial share of reported “valve failures” are actually actuation or interface failures—issues with sizing, mounting, signal loss, or power delivery—rather than a failure of the pressure boundary itself. […]

Introduction In the design and operation of municipal and industrial wastewater treatment plants, few components cause more disproportionate downtime relative to their cost than isolation valves. A seized gate valve in a grit chamber or a leaking knife gate in a sludge line can force partial plant shutdowns, bypass pumping, and significant unplanned maintenance expenditure. […]

MLE Process for Wastewater Treatment: Implementation and Benefits Understanding the MLE Process in Wastewater Treatment When it comes to wastewater treatment, the MLE process isn't just a fancy acronym; it's a game-changer for municipalities looking to enhance their treatment capabilities. Picture this: a city with a population of 100,000 generates about 10 million gallons of […]

Introduction In municipal water distribution and wastewater treatment, the isolation valve is the most critical yet frequently overlooked asset. A substantial proportion of installed gate valves in North America are inoperable or pass water when isolation is attempted during an emergency. For the consulting engineer or utility director, the choice of manufacturer is not merely […]

Introduction The operational resilience of a wastewater treatment plant or lift station is often determined not by its pumps, but by the equipment protecting them. With the rise of non-dispersible wipes and textiles entering municipal collection systems, ragging has transitioned from a nuisance to a critical operational failure mode. Unscheduled maintenance due to pump clogging […]

1. Introduction The sound of a check valve slamming shut—resembling a sledgehammer striking the pipe—is more than a nuisance; it is an audible indicator of kinetic energy rapidly converting to pressure energy, potentially exceeding the structural limits of the piping system. For municipal and industrial engineers, the selection of check valves is the primary line […]

Introduction In the municipal wastewater sector, a single incorrect valve specification can lead to catastrophic ragging, seized actuation, and thousands of dollars in unscheduled maintenance. Engineers often default to tried and true manufacturers, but nuances in product lines and specification details can obscure the best choice for specific hydraulic conditions. The Henry Pratt Company is […]

Advanced Odor Control Strategies for Wastewater Treatment Facilities Chemical Odor Control Techniques When it comes to odor control for wastewater, the stakes are high. A single whiff of that unmistakable scent can lead to complaints, lost business, and even fines. In fact, studies show that nearly 60% of residents near wastewater facilities report issues related […]

Introduction In the design of municipal wastewater treatment plants and pumping stations, the eccentric plug valve serves as the workhorse for isolation and throttling of sludge, slurry, and raw sewage. However, a persistent challenge for consulting engineers is navigating the specific mechanical nuances between major manufacturers. Often, specifications are copied from previous projects without a […]

Introduction In municipal water and wastewater treatment infrastructure, valves act as the critical control points for hydraulic stability, process isolation, and flow regulation. While valves typically constitute a modest share of a plant’s capital cost, they account for a disproportionate share of the maintenance burden over the facility’s lifecycle. This imbalance is frequently the result […]