Items Tagged with 'refrigeration system'

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Star Refrigeration Completes Retrofit for 2 Sisters Food Group

Project Extends Cooling Capacity of the Largest Refrigeration System It Has Ever Built
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Star Refrigeration designed and built Rogerstone Park’s existing refrigeration system in 1999 and extended the plant’s cooling capacity in 2005. In 2013, Star was again chosen to further extend the refrigeration capacity as part of an expansion plan at the site.


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The Professor: Low Ambient Controls Reduce Head Pressure

Control Is a Style of Head-Pressure Control Valve
By John Tomczyk
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When refrigeration systems are exposed to low-ambient conditions, the condensing pressure (head pressure) will fall. If the head pressure gets too low, the metering device will not have enough pressure drop across it to operate properly.


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Ice Breaker: What a Tripped Oil Pressure Control Means

Avoiding Compressor Shut Down
By Joe Marchese
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Any time an oil pressure control shuts down a compressor, the cause of the shutdown must be identified. The tripped control is a warning of another existing problem. Simply resetting the control will not solve the problem.


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Ice Breaker: Suction Line Insulation

Elastomeric Material Means Condensation Prevention
By Joe Marchese
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The suction line of a refrigeration system is normally insulated with a flexible, closed-cell elastomeric material. Insulating the suction line is done to prevent condensate from developing and dripping off. It also limits the amount of heat added to the refrigerant as it travels back to the compressor.


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March 18, 2013: New Healthy Living Market Features CO2 and Glycol Refrigeration

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A new Healthy Living Market opening today in Saratoga Springs, N.Y., features a Hillphoenix Second Nature® refrigeration system that runs on the natural refrigerant CO2 and food-grade glycol. 


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Mueller Refrigeration: Refrigeration Steel Isolation Valves

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A complete line of Steel Isolation Valves (SIV) has been designed to provide flexibility and performance when used in any refrigeration system. The SIV products feature a unique design with a flexible three-port configuration that allows easy access to any service port, no matter where the valve may be mounted in the system.


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Controller Delivers Energy Savings, Tighter Temperature Control, and Eliminates Icing Issue

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With ongoing refrigeration system problems, and no replacement parts available for its old Beacon systems, the McDonald’s owner in Godfrey, Ill., looked to the ingenuity of its service company, R.E.C. Service Corp., for a solution.


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Ice Breaker: Selecting Thermostatic Expansion Valves

By Joe Marchese
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One of the basic components selected when installing a walk-in cooler/freezer or any field-assembled refrigeration system is the metering device, typically the thermostatic expansion valve (TXV). The TXV needs to be selected to match the Btu capacity of the system’s evaporator and compressor.


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Perlick Extends Refrigeration Warranty

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Perlick Corp., a maker of undercounter refrigeration, announced it has extended its residential products warranty to three years. The warranty is applicable to products built after Feb. 1. The warranty covers all parts and labor to repair or replace any part of the product, for three years from the date of the original purchase.


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Ammonia: Dangerous and Deadly

By John R. Hall
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Ammonia is both a friend to refrigeration contractors and a danger, too. When used properly in refrigeration units, its outstanding heat transfer capabilities can keep food cold for long periods of time, it does not harm the environment, and it is biodegradable. But exposure to ammonia does pose a danger to human health.


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