Proper Feeding Of A Submersible Pump By Kevin Clemons
Most manufacturers employ a semi-open impellers in their self priming centrifugal sewage and trash pump designs. While other types of impellers (enclosed, open, or recessed) are sometimes used, this type of impeller has a proven field record for clog resistance and high efficiency.
Hydrant Security: Taking That First Step By Mueller Co.
Until 9/11, fire hydrant security had more to do with “hindrance” than “prevention.” It was the theft of hydrant parts, vandalism, and unauthorized operation of hydrants for water that utilities tried to thwart. Times have changed. Since 9/11 there has been a heightened awareness that the ubiquitous fire hydrant, with its need to remain highly visible and immediately accessible in emergencies, could become the target for a determined agent bent on introducing contaminants into the public water supply.
From The Editor
The Road To Energy Sustainability
Sometimes the hardest part of a journey is taking the first step, especially when the road ahead seems long and difficult to navigate. When it comes to sustainable energy management, many municipalities want to get there, but are afraid to get lost along the way. What if they had a guide to see them through the organizational and technical roadblocks? Such a guide exists — it’s called the Energy Roadmap.
It's Not Too Late To Innovate Will we embrace the call for change in how we review and approve new technologies, establish mechanisms to reward risk-taking, and employ value-based procurement practices that offer long-term savings? Or will we continue to conduct business as usual and miss the opportunity to embrace the next generation of technologies that offer needed advancements to better protect and preserve our water environment?
This vinyl double containment piping system is fast and easy to install, and is available with a complete selection of pipe, fittings, leak detection and access tees, closure couplings, and termination fittings.
The Aquaray SLP-DW (Drinking Water) and SLP-PW (Process Water) UV systems offer compact and high-efficiency disinfection for small and medium applications, with a range of flowrates from 115 to 2645 GPM, and exceptional reliability and ease of operation.