MRBRAZ becomes bronze partner on

By Michael Garry, May 02, 2018, 22:44 1 minute reading

The U.S. company specializes in environmentally oriented refrigeration projects and low-charge ammonia systems.

MRBraz low-charge ammonia chiller.

MRBRAZ & ASSOCIATES, an engineering design firm based in Azle, Texas, has become a bronze partner with

With more than 30 years of experience, MRBRAZ offers engineering and design, manufacturing and fabrication, construction, service and parts on behalf of the industrial refrigeration industry. In particular, the company focuses on “environmentally oriented refrigeration projects and low-charge, high-efficiency ammonia refrigeration systems,” according to its web site.

Its product line includes air-cooled condensers, critically charged ammonia DX chillers, mobile critically charged packages, ammonia distillers and air-handling units.

Its areas of specialization include: refrigerated facilities, industrial refrigeration equipment, condensation control, pressurization/air filtration, pipe stress analysis, computational fluid dynamics, refrigeration process integration (poultry, meat and cereal), troubleshooting and master planning for new and existing refrigeration systems, process safety management for ammonia refrigeration plants, mechanical integrity and process safety management documentation, refrigeration equipment design, refrigerated building envelope inspection, support during construction, start-up and comissioning, and energy conservation.

At the IIAR Natural Refrigeration Conference & Heavy Equipment Expo in 2017, MRBRAZ said it designed and installed a low-charge DX ammonia chiller that provides air conditioning in office space at about 10 warehouse locations run by a major U.S. retailer, including four in the past year.

The rooftop chiller was designed with only 1 lb./TR of ammonia, which is confined to the unit; it pumps chilled water to an air-handling unit, which delivers cool air to the office space. The typical chiller contains about 100 lbs. of ammonia and employs a VFD screw compressor and ECM motors. 

By Michael Garry

May 02, 2018, 22:44

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