Valves & Pumps

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National Technical Letter of Intent Signing Day is a successful event that has been held each of the last four years, helping thousands of students achieve their moments of glory at more than 40 schools as they prepare for rewarding careers in the skilled trades.

Many companies are beginning to integrate capacitor testing into their regular diagnoses and maintenance practices, and I applaud this; however, it does lead to a debate on how to do it.

Unprecedented. Unconventional. Chaotic. Exhausting. Whatever adjective you use to describe them, the first 100 days of the Trump presidency were a crazy time for our nation. People across the country — and around the world — have watched and tried to understand the policy directions of this White House. What have the first 100 days meant for the HVACR industry and what do they portend for the future?

Members of The NEWS’ trainer panel examined compressor valves and determined the best methods for maintaining valves, diagnosing faulty ones, and implementing proper troubleshooting techniques when they go bad.

The NEWS recently sat down with Mark Handzel, vice president, product regulatory affairs, and director, HVAC commercial buildings, Xylem, to discuss the state of the pump industry and what prospective employees should know before they enter the industry.

The Model 700 industrial vertical non-clog waste ejector pump is used for service in industrial wastes, sanitary wastes, process wastes, and rendering wastes. It is designed for long life in tough services with heads to 100 feet total dynamic head (TDH) and flows to 1,500 gallons per minute (gpm).

This recirculation pump incorporates with variable-speed control and built-in control algorithms that can adapt to continuously changing system requirements. Featuring on-demand mode, this pump includes a sensorless demand-based control that allows users to obtain instant hot water when needed.
 

This stainless steel solenoid valve is ideal for ammonia, but can also control CO2, fluorinated refrigerants, glycols, pure water, light oils, and other approved liquids.

This close-coupled, horizontal, end suction pump is designed for service in general pumping, chemicals, wash systems, deionized water, process, and OEM applications. It is designed for long life in tough services with flows to 240 gallons per minute (GPM).