IIARThe Official Magazine of the All-Natural Refrigeration Industry
JUNE 2016 CONDENSER
Condenser issues are available as a PDF downloads for both IIAR Members and Non-members, or as individual article posts below. Click the button below to view the full issue, or scroll through all the individual issue articles below.
Now that the IIAR conference has ended and we’re back at work, your IIAR Board of Directors, IIAR Staff and member volunteers are putting forth great effort to carry the momentum of our Orlando Conference forward into the rest of the year
Read MoreThere’s a lot going on at IIAR headquarters these days. We’re growing and expanding with new initiatives, programs and goals for the new membership year. That growth just reflects the expansion of our industry in general.
Read MoreOwners and operators of ammonia refrigeration equipment have a number of regulatorydriven documentation requirements, and the level of understanding regarding those requirements can vary from company to company.
Read MoreThe Ammonia Refrigeration Foundation, IIAR’s education and research foundation, is launching an effort to expand the outreach of the organization through a new legacy planned giving program. At the same time, leaders said the Foundation would build its visibility and impact this year by celebrating its 10-year anniversary with renewed attention to mission, scholarship, talent development and research.
Read MoreThe Environmental Protection Agency has released its latest proposed rule that would make changes to the Significant New Alternatives Policy program, further restricting uses of what it terms higher global warming potential refrigerants, including HFCs.
Read MoreAwareness of International Institute of Ammonia Refrigeration’s IIAR-2 standard is increasing among regulatory agencies, and is beginning to shape recognized and generally accepted good engineering practices, industry and government sources said.
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With the completion of IIAR-2 – the first comprehensive standard for the safe design of ammonia refrigeration systems – along with a companion suite of IIAR standards addressing installation, commissioning, operations and decommissioning, IIAR has evolved to become internationally recognized as a standards development organization, or SDO, said Jeffrey Shapiro, P.E., IIAR’s code consultant and president of International Code Consultants.
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Is it feasible to apply lowcharge ammonia technology in an application that has traditionally been dominated by the use of HFCs and other synthetic refrigerants? That’s what a big-end user wanted to know when it approached Azane Inc., a package supplier based in California, to manufacture a lowcharge ammonia chiller that provides chilled water to a HVAC air conditioning system.
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The movement toward low-charge systems is growing in popularity in the ammonia refrigeration industry for several reasons, and one effective way to significantly reduce ammonia charge is to design and operate evaporators using DX [direct expansion] technology.
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On March 14, 2016, the Environmental Protection Agency (EPA) published in the Federal Register a proposed rule to modernize the Risk Management Program. The rulemaking comes as a part of the Obama Administration’s efforts to implement Executive Order 13650 – Improving Chemical Facility Safety and Security. The Executive Order was issued in response to an incident at a fertilizer plant in West, Texas in April 2013.
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The use of carbon-dioxide refrigeration systems has been gaining in popularity in recent years as an alternative to ammonia systems, as companies learn about their energy efficiency, safety benefits and resiliency. Although CO2 , like ammonia, is classified as a “natural refrigerant,” there are a number of differences between the two refrigerants, related to the significantly higher operating pressure of CO2 systems that are critical to understand from a safety perspective.
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Business owners and operators must take steps to ensure that contractors working on or near ammonia refrigeration systems have the necessary qualifications and work experience to help employers understand their responsibilities related to ammonia refrigeration contractors, and demonstrate their proficiency in working with the system, Tony Lundell, IIAR director of standards and safety said. Lundell led an IIAR webinar in April entitled, “Qualifying Ammonia Refrigeration Contractors.”
Read MoreThe revision of IIAR-2 involved discussions of many philosophical and practical matters. Among the topics discussed was that of the need for eyewash/safety showers in areas other than machinery rooms, and specifically in cold environments such as a freezer or on the roof.
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Fitting screw compressors with economizers and side-loads provides a significant advantage over reciprocating compressors by improving energy efficiency and reducing the number of compressors needed.
Read MoreThe information contained in the present document is provided by the authors only as indication, without implicit or explicit warranty. It is the user’s responsibility to validate the parameters applicable to the specific usage and make the necessary adjustments.
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