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	<title>Brazed plate heat exchanger applications and advantages of use</title>
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	<description>Domestic Hot Water Heating</description>
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		<title>Brazed plate heat exchanger applications and advantages of use</title>
		<link>http://brazedplateheatexchangers.wordpress.com</link>
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		<item>
		<title>When is brazing of tubes-to-tubesheet is done?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/09/22/when-is-brazing-of-tubes-to-tubesheet-is-done/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/09/22/when-is-brazing-of-tubes-to-tubesheet-is-done/#comments</comments>
		<pubDate>Wed, 22 Sep 2010 21:42:11 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[Brazing]]></category>
		<category><![CDATA[brazing]]></category>
		<category><![CDATA[crevice corrosion]]></category>
		<category><![CDATA[thermal stress]]></category>
		<category><![CDATA[welding]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=161</guid>
		<description><![CDATA[Brazing is done when the stress concentration and the crevice corrosion cannot be tolerated, but neither the temperature is very high nor is the possibility of leakage of one fluid into the other is hazardous. It is generally preferred only in cases where welding cannot be done, such as joining dissimilar materials such as aluminum [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=161&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<title>What harm does hydrogen cause to carbon steel? What materials should be used if hydrogen is present?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/09/03/what-harm-does-hydrogen-cause-to-carbon-steel-what-materials-should-be-used-if-hydrogen-is-present/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/09/03/what-harm-does-hydrogen-cause-to-carbon-steel-what-materials-should-be-used-if-hydrogen-is-present/#comments</comments>
		<pubDate>Fri, 03 Sep 2010 13:34:31 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[1]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/2010/09/03/what-harm-does-hydrogen-cause-to-carbon-steel-what-materials-should-be-used-if-hydrogen-is-present/</guid>
		<description><![CDATA[Carbon in steel combines with hydrogen to form methane and other products under high pressure and temperature (above 200 degrees C or 390 degrees F). This first results in decarburization followed by localized fissuring of the vessel due to high gaseous pressure, leading to the failure of the vessel. Chromium- and molybdenum-containing steels are best [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=160&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<title>What is the difference between IRON and STEEL?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/08/27/what-is-the-difference-between-iron-and-steel/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/08/27/what-is-the-difference-between-iron-and-steel/#comments</comments>
		<pubDate>Fri, 27 Aug 2010 15:38:03 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[Steel and its properties]]></category>
		<category><![CDATA[carbon]]></category>
		<category><![CDATA[iron]]></category>
		<category><![CDATA[steel]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=158</guid>
		<description><![CDATA[Iron, in industrial terminology, generally refers to cast iron, which is an alloy of elemental iron and carbon. Steel is refined form of iron with carbon in solution as Fe3C, while cast iron has carbon in the form of graphite besides that in the solution, which gives it non-uniform structure and makes it brittle.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=158&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<title>When is welding of tubes-to-tubesheet is done?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/08/21/when-is-welding-of-tubes-to-tubesheet-is-done/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/08/21/when-is-welding-of-tubes-to-tubesheet-is-done/#comments</comments>
		<pubDate>Sat, 21 Aug 2010 15:05:39 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[Shell and Tube]]></category>
		<category><![CDATA[welding]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=155</guid>
		<description><![CDATA[A simple rolled tube-to-tubesheet joint may spring a leak due to fatigue or stress relaxation. Welding is done for more leak-tightness and for high-temperature operations.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=155&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>1</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<item>
		<title>Oppose Efforts to Impose New Tax Burdens on the Internet &#124; eBay Main Street &#8211; Public Policy and Breaking Ecommerce News</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/07/31/oppose-efforts-to-impose-new-tax-burdens-on-the-internet-ebay-main-street-public-policy-and-breaking-ecommerce-news/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/07/31/oppose-efforts-to-impose-new-tax-burdens-on-the-internet-ebay-main-street-public-policy-and-breaking-ecommerce-news/#comments</comments>
		<pubDate>Sat, 31 Jul 2010 23:15:18 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[1]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=153</guid>
		<description><![CDATA[Oppose Efforts to Impose New Tax Burdens on the Internet &#124; eBay Main Street &#8211; Public Policy and Breaking Ecommerce News.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=153&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<item>
		<title>What are the affects of tube material on the performance of heat exchanger?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/07/30/what-are-the-affects-of-tube-material-on-the-performance-of-heat-exchanger/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/07/30/what-are-the-affects-of-tube-material-on-the-performance-of-heat-exchanger/#comments</comments>
		<pubDate>Fri, 30 Jul 2010 20:33:21 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[heat transfer]]></category>
		<category><![CDATA[heat exchanger]]></category>
		<category><![CDATA[thermal stresses]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=151</guid>
		<description><![CDATA[Type material has the following effects on the performance of heat exchanger: -          Resistance to corrosion, erosion, and vibration damage (natural frequency of the tube) -          Thermal stresses induced due to differential thermal expansion of the tube bundle and the shell -          Extent of fouling -          Extent of microbial deposit -          Resistance to heat transfer [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=151&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://brazedplateheatexchangers.wordpress.com/2010/07/30/what-are-the-affects-of-tube-material-on-the-performance-of-heat-exchanger/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<title>What materials are used for tubes in saltwater coolers?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/07/16/what-materials-are-used-for-tubes-in-saltwater-coolers/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/07/16/what-materials-are-used-for-tubes-in-saltwater-coolers/#comments</comments>
		<pubDate>Fri, 16 Jul 2010 16:26:47 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[Steel and its properties]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=147</guid>
		<description><![CDATA[Salt water can be brackish, brine, or sea water, the last being used a lot in coolers and condensers in plants on the sea coast. Titanium is widely used for saltwater coolers. Aluminum bronzes are also used if there are no pollution.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=147&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>2</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<title>Which types of steel can be used for high-temperature service?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/07/01/which-types-of-steel-can-be-used-for-high-temperature-service/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/07/01/which-types-of-steel-can-be-used-for-high-temperature-service/#comments</comments>
		<pubDate>Thu, 01 Jul 2010 14:19:55 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[Steel and its properties]]></category>
		<category><![CDATA[carbon steels]]></category>
		<category><![CDATA[stainless steel]]></category>
		<category><![CDATA[steel]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=144</guid>
		<description><![CDATA[There are basically 4 different types of steel used for high-temperature service: Carbon steels – for most usage up to 750 degrees F (400 degrees C). Carbon steels are cheaper, very strong, with highest thermal conductivity. Above 750 degrees F, their creep increases; above 950 degrees F (510 degrees C) they get oxidized too. Chromium-molybdenum [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=144&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<title>What is an ALLOY STEEL?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/06/22/what-is-an-alloy-steel/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/06/22/what-is-an-alloy-steel/#comments</comments>
		<pubDate>Tue, 22 Jun 2010 13:15:42 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[heat transfer]]></category>
		<category><![CDATA[alloy]]></category>
		<category><![CDATA[steel]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=140</guid>
		<description><![CDATA[It is steel that contains, besides carbon, one or more of the following materials: Aluminum Boron Chromium Cobalt Manganese Molybdenum Nickel Niobium Silicon Titanium Tungsten Vanadium Zirconium, etc. Each of these alloying elements affects the properties of steel. The amount of added elements depends on the end use of the steel.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=140&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">miklelewis</media:title>
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		<title>What factors generally cause mechanical failure of heat exchangers?</title>
		<link>http://brazedplateheatexchangers.wordpress.com/2010/06/17/what-factors-generally-cause-mechanical-failure-of-heat-exchangers/</link>
		<comments>http://brazedplateheatexchangers.wordpress.com/2010/06/17/what-factors-generally-cause-mechanical-failure-of-heat-exchangers/#comments</comments>
		<pubDate>Thu, 17 Jun 2010 19:01:42 +0000</pubDate>
		<dc:creator>miklelewis</dc:creator>
				<category><![CDATA[Classification of Heat Exchangers]]></category>
		<category><![CDATA[heat exchangers]]></category>

		<guid isPermaLink="false">http://brazedplateheatexchangers.wordpress.com/?p=137</guid>
		<description><![CDATA[Among the several factors that can cause mechanical failure of heat exchangers, both of PHEs and shell-and-tube, are: Corrosion of parts Excessive thermal or mechanical stresses acting alone or in combination Unexpected seismic load Vibration Inferior workmanship and poor inspection Defective or unsuitable materials of fabrication Poor maintenance<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=brazedplateheatexchangers.wordpress.com&amp;blog=11441733&amp;post=137&amp;subd=brazedplateheatexchangers&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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