Heating & Boilers

Gateway City Apartment Builiding Goes Single-Pipe

By Dan Vastyan
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This large complex is welcoming a host of new arrivals, from new boilers and chillers to an overhaul of its hydronic strategy. Avoiding a whole lot of drilling was one benefit of their new design choice. Balancing first cost, maintenance costs, and the system itself were additional positives for keeping all 225 units comfortable and affordable.
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“T” for tankless: Texas schools’ water heaters save space and energy

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A series of successful installations has made construction manager Cliff Holden a big believer in tankless water heating systems for the school-building projects he oversees. Since 2007, the 15-unit Burleson (Texas) Independent School District (BISD) has erected six new educational facilities under Holden’s direction, and the latest three have all featured multiple-unit, tankless solutions — in no small part because he wholeheartedly championed the idea.
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Congress extends regulatory limbo

By Randy Rawson
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The U. S. House of Representatives passed H.R. 2250, the "EPA Regulatory Relief Act of 2011,'' last month by a vote of 275 to 142 (not enough to override an expected Presidential veto)?—?and then they went home for a week of campaigning.
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New Technology & Application For Drum Level Measurement

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To keep boiler drum water level in an acceptable range is an important safety guideline for boiler operation. In recent years, accidents have occurred frequently due to boiler drum level measurement and control problems.
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Chemical Manufacturer Offered Unique Perspective and a Solution to a Common Problem

By Gerald Blain
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The GEO Specialty Chemicals company (Lafayette, IN) manufactures over 300 products for a worldwide customer base and boasts an impressive list of leadership positions as a manufacturer of various industrial grade resins, coagulants, and dispersions used in gypsum, oil, gas, agrochemical, and water treatment industries.
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Steam Injection

Energy-Efficient Ultra Low-NOx Burners for California OTSG
By The Coen Company, Inc.
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Injection of steam in the oil field is extensively used for thermal enhancement of oil recovery in California.
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When Does Zero Not Equal Zero?

By Kevin Hunt
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One of the biggest stories of 2010 involved valve failure. From April to July, engineers were scrambling to stop the hundreds of millions of gallons of crude oil being released into the Gulf of Mexico after the blowout preventer (BOP) on the Deepwater Horizon rig failed to seal the pipe.
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Are Your Boiler Drum Level Instruments Measuring Up to the Latest ASME Code Requirements?

By Jim Kolbus
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Over the past 20 years, there have been a number of significant revisions to Section 1 of the ASME Boiler and Pressure Vessel Code relating to water level instrumentation.
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What You Need to Know About The EPA’s New Boiler Rules

By Paul Welch Goggins
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On March 21, 2011, the EPA published three rules regarding air emissions standards in the Federal Register.
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Educating by Example

By Sergiu Pelau P.E., LEED and Markus Yakren P.E., LEED
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Through a flexible design incorporating radiant heating and cooling, demand ventilation, energy recovery, and VAV, Manhattan’s Cooper Union leads its class in sustainable performance in classrooms, labs, and beyond.
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2014 September

Check out the September 2014 issue of Engineered Systems, with features on radiant panels, refrigerant flow systems, and much more!

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