Compressors - Articles - Page 11

Bitzer’s two-stage reciprocating compressors can now be run with R-448A and R-449A refrigerants and thermostatic expansion valves.

Regulations, Efficiency Demands Shape Compressor Market

Refrigerant restrictions, operational efficiency requirements dictate performance

February 22, 2016

As the DOE mandates minimum efficiency performance and the EPA delists ozone-depleting refrigerants, manufacturers are being tapped to create speed-controlled compressors that run on an array of natural refrigerants.

Emerson Climate Technologies Inc.: BPM Motor Compressor

February 15, 2016

The second-generation Copeland Scroll variable-speed ZPV2 compressor features intermediate discharge valves to boost efficiency, optimized scroll elements for variable-speed performance, a positive displacement oil pump for enhanced reliability in low-speed operation, and brushless permanent magnet (BPM) motor technology.

The Professor: Understanding Compressor Amperage Curves

Table-style charts are easy to read and provide valuable information about system function

John Tomczyk

February 1, 2016

Compressor performance curves can provide a service technician with the Btu pumping rate (capacity), mass flow rates, operating amperage, and operating wattage of a compressor when the suction pressure and head pressure are known for the system.

Congresswoman Gwen Graham Visits Danfoss Turbocor Facility

Company welcomes U.S. representative to its facility in Tallahassee, Florida

February 1, 2016

The meeting included a tour of the factory where Danfoss Turbocor Compressors are engineered and produced, emphasizing the importance of the advancement of energy-efficient technologies and the resulting impact on the industry, economy, jobs, and local communities.

2016 AHR Expo – New Product

Danfoss: Scroll Compressors

January 24, 2016

Danfoss DSH scroll compressors with Intermediate Discharge Valves (IDVs) are designed for the next generation of rooftop units and chillers by saving energy and improving system part-load efficiency, enabling systems to meet energy regulations and standards with minimal redesign or retrofit costs.

Congresswomen Gwen Graham Visits Danfoss

Danfoss recently broke ground on new state-of-the-art laboratory

January 22, 2016

Danfoss welcomed U.S. Rep. Gwen Graham (D-Florida) to its facility in Tallahassee, Florida. The meeting included a tour of the factory where Danfoss Turbocor Compressors are engineered and produced, emphasizing the importance of the advancement of energy-efficient technologies and the impact on the industry and economy.

Energy Recovery Technology Inc.: Compressor Regulator

December 28, 2015

This device sits on top of a compressor and will either heat or cool the compressor based on outside temperatures.

Commercial Equipment Crafted for Institutional Settings

HVAC products designed to provide comfort in multitenant facilities

Ron Rajecki

November 2, 2015

From building automation systems, chillers, compressors, temperature control valves, and more, here’s a look at some of the equipment commercial contractors working in this sector may want to consider.

Ice Breaker: Preventing Repeat Compressor Failures

Determining the cause of the failure is a necessary post mortem

Joe Marchese

November 2, 2015

Not only do repeat failures take away from the contractor’s profit margin, they also tarnish a company’s professional image. Finding the cause and repairing it not only keeps the customer happy, it keeps the contractor profitable.

Frascold Opens United States Subsidiary

Frascold USA Inc. will support both the U.S. and Canadian markets

October 5, 2015

Frascold, the second largest manufacturer of semi-hermetic compressors in Europe and the third largest in the world, has opened a subsidiary company in the United States: Frascold USA Inc. Frascold USA will directly support both the U.S. and Canadian markets on behalf of Frascold. The head office will be located in Seattle.