PARSIPPANY, N.J. (Nov. 17, 2016) – The Hydraulic Institute (HI) will celebrate its centennial in 2017 and is pleased to announce a new logo as part of a larger initiative to position HI for the next...
PARSIPPANY, N.J. (Sept. 12, 2016) – Hidden to the general public, pumps are constantly at work behind the scenes providing clean water, heating and cooling, generating energy, and ensuring we can...
PARSIPPANY, N.J. (April 26, 2016) –The Hydraulic Institute will be presenting on pumping efficiency at the NJWEA John J. Lagrosa 101st Annual Conference and Exhibition in Atlantic City, New Jersey. ...
PARSIPPANY, N.J. (June 12, 2015) – The Hydraulic Institute (HI) and its members have worked closely with the Department of Energy (DOE) throughout the rule-making process for the Energy Conservation...
This 10-year project concluded with the recent publication of recommended guidelines for pump professionals.
Q.What are “nonclog pumps,” and in what applications are they used? Figure 1. Dry pit pump – overhung flexibly coupled vertical end suction A. “Nonclog pumps” are rotodynamic...
Q. What are some adverse effects that can occur from mechanical processes during pumping operations? A. Numerous mechanical processes during pumping operations are not typically duplicated in...
Outside- Versus Inside-Mounted Seals, Pump Input Power & Rotodynamic Pump Motor Cooling
Q. What are the advantages of single, outside-mounted seals versus that of single, inside-mounted seals?A. Single seals have one set of sealing surfaces. The lubricant for the seal faces is usually...
PARSIPPANY, N.J. (Sept. 17, 2013) – The Hydraulic Institute (HI) & Pump Systems Matter (PSM) will host a one-day pump systems optimization course on Oct. 22 at the Grand Historic Venue & Embassy...
Boiler Feed Pumps, Chemical Metering Pumps and Hydrostatic Pressure Tests
Q. How are chemical metering pumps used in combined-cycle power plant applications?A. Numerous applications in a combined-cycle power plant require the delivery of precisely metered quantities of...
Outdoor Installations, Rotodynamic Vertical Pumps & Drooping Head
Q. What is a rotodynamic vertical pump? What pumps are classified in this way?A. Rotodynamic pumps are kinetic machines in which energy is continuously imparted to the pumped fluid by using a rotating...
Magnetic Couplings, NPSH Margin &  Reverse Runaway Speed
Q. What are the effects of increasing temperature on the magnetic couplings in a rotary sealless pump?A. Eddy currents in the containment shell are one source of heat in a sealless pump. Heat is also...
Effects of Solids on Slurry Pumps, Corrosion & the Alignment of Flexible Couplings
Pumps & Systems, April 2013Q. What are some effects of solids on a rotodynamic slurry pump?A. The performance of a rotodynamic pump moving slurries will differ from one moving water, which is the...
Axial Thrust, NPIPR & Hydraulic-Coupled Tubular Diaphragm
Pumps & Systems, February 2013 Q. How does axial thrust compare among different impeller types for a rotodynamic vertical pump?A.  The net axial downthrust force is carried by the pump shaft....