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Valves & Pumps

RectorSeal Corp.: Mini-Split Condensate Pump Software

For engineers, distributors, and installers, FastFind™ Pump Selector is an interactive Web-based ductless mini-split condensate-pump selection tool. 


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2014 AHR Expo: HVAC Components + Accessories

The NEWS was very busy at the AHR Expo in New York City, visiting as many booths as possible in search of new products. Here is a comprehensive list of all the components and accessories we found on the show floor.


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Ice Breaker: Evap. Pressure Regulators

A Look at Familiar Refrigerant Flow Control Device

Joe Marchese explains the refrigerant flow control device, which prevents the refrigerant pressure in an evaporator from operating below a minimum value, and discusses how to select the right one for the job. 


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Palmer Wahl Instrumentation Group: Hand Calibration Pressure Pumps

A new line of hydraulic and pneumatic hand-calibration pressure pumps includes the PV10K hydraulic calibration pressure pump and PV600 combination pneumatic pressure and vacuum calibration pump. 


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Taco Inc.: Commercial Variable-Speed Pump

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

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

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

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

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

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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2014 SMACNA Annual Convention

Views from the 2014 SMACNA Annual Convention in San Antonio.

Podcasts

NEWSMakers: Chris Mathis

Chris Mathis, president of Mathis Consulting Co. and vice chair of ASHRAE’s residential ad hoc committee, talks about ASHRAE’s exploration into the residential market. Posted on Oct. 17.

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ACHRNEWS

NEWS 10-20-14 cover

2014 October 20

Check out the weekly edition of The NEWS today!

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EFFICIENCY STANDARDS

DOE has denied AHRI’s petition for reconsideration of walk-in standards. Is it getting harder to reach consensus on efficiency standards?
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HVACR INDUSTRY STORE

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2015 National Plumbing & HVAC Estimator

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

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