Valves & Pumps

Taco Inc.: Commercial Variable-Speed Pump

December 16, 2013

The Taco SelfSensing Series with ProBalance™ integrates KV or KS pumps with a variable frequency drive. 


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The Professor: TXV Dos and Don’ts

The Externally Equalized Thermostatic Expansion Valve
December 2, 2013

The thermostatic expansion valve (TXV or TEV) is a metering device located between the liquid line and the evaporator. 


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NEWS Hosts Danfoss Webinar on Electronic Expansion Valves

Free Webinar Will Take Place on Nov. 21
November 11, 2013

The webinar will help field-service technicians gain a better understanding of the function and operation of, as well as key troubleshooting strategies for, stepper motor and pulse-width-modulating electronic expansion valves.


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Armstrong Fluid Technology: High-Efficiency Wet-Rotor Circulator

November 11, 2013

The new COMPASS circulator helps contractors and wholesalers with easy selection, fast installation, and extremely broad performance capabilities for application to a wide variety of installations, the company said. 


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Ice Breaker: Relief Valves 101

Safety Device Helps Protect Equipment, Workers
November 4, 2013

Relief valves are used to release abnormally high pressure inside a vessel before that pressure causes the vessel to erupt. 


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Variable-Speed Pumps Reduce Energy Use

Ultrasonic Flow Meters are Key to Controlling Energy Management
October 28, 2013

WM Group recently helped a large New Jersey pharmaceutical company save nearly $400,000 per year in energy costs by upgrading the chiller system at its 100-acre research and development campus.


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Emerson Climate Technologies: Valve Replacement Kit

September 30, 2013

Designed to provide contractors with a quick and efficient way to service residential air conditioning and heat pump systems, the TXV Connect kit is a valve replacement kit. 


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Armstrong Fluid Technology: Pump Controller

September 30, 2013

The Parallel Sensorless Pump Controller is an add-on control device that coordinates the output of multiple pumping units in a parallel configuration to achieve significant energy savings. 


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Ashcroft Inc.: Differential Pressure Switch

September 23, 2013

The DDS-Series differential pressure switch is designed to sense low differential pressures between high-pressure sources. 


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Cimberio Valve Co. Inc.: Lead-Free Balancing Valves

September 23, 2013

Lead-free balancing valves have been added to the CimCLIMA product line. 


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2014 ACI Home Performance Conference

The 2014 ACI National Home Performance Conference & Trade Show was held in Detroit.

Podcasts

Jeff Hutchinson, Energy Solutions Manager for mechanical contractor Bruner Corp., talks about the ductless market and how it can be profitable for a commercial contractor.

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NEWS 07-21-14 cover

2014 July 21

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R-22 PHASEOUT POLL

Some in the industry are calling for the EPA to halt production of R-22 as of 2015. What do you think?
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HVACR INDUSTRY STORE

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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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