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	<title>Surface Production Facility &#187; Mechanical Design of Pressure Vessels</title>
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	<description>Oil and Gas Production Facility Design</description>
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		<title>Pressure Vessels &#8211; Pressure Relief Devices, Corrosion Protection</title>
		<link>http://www.process-facility.com/pressure-vessels-pressure-relief-devices-corrosion-protection.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-pressure-relief-devices-corrosion-protection.html#comments</comments>
		<pubDate>Thu, 24 Sep 2009 02:32:02 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Specification and Design]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1961</guid>
		<description><![CDATA[




Pressure Relief Devices
All pressure vessels should be equipped with one or more pressure safety valves (PSVs) to prevent overpressure. This is a requirement of both the ASME Code and API RP 14C (refer to Chapter 14). The PSV should be located upstream of the mist extractor. If the PSV is located downstream of the mist [...]]]></description>
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		<title>Pressure Vessels &#8211; Vessel Supports, Ladder and Platform</title>
		<link>http://www.process-facility.com/pressure-vessels-vessel-supports-ladder-and-platform.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-vessel-supports-ladder-and-platform.html#comments</comments>
		<pubDate>Thu, 24 Sep 2009 02:27:11 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Specification and Design]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1955</guid>
		<description><![CDATA[




Vessel Supports
Small vertical vessels may be supported by angle support legs, as shown in Figure 12-11. Larger vertical vessels are generally supported by a skirt support, as shown in Figure 12-12. At least two (2) vent holes, 180° apart, should be provided at the uppermost location in the skirt to prevent the accumulation of gas, [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Pressure Vessels &#8211; Vortex Breaker, Manways</title>
		<link>http://www.process-facility.com/pressure-vessels-vortex-breaker-manways.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-vortex-breaker-manways.html#comments</comments>
		<pubDate>Thu, 24 Sep 2009 02:11:11 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Specification and Design]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1949</guid>
		<description><![CDATA[




Vortex Breaker
As liquid flows out of the exit nozzle, it will swirl and create a vortex. Vortexing would carry the gas out with the liquid. Therefore, all liquid outlet nozzles should be equipped with a vortex breaker. Figure 12-9 shows several vortex breaker designs. Additional designs can be found in the Pressure Vessel Handbook. Most [...]]]></description>
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		<title>Pressure Vessels &#8211; Nozzles</title>
		<link>http://www.process-facility.com/pressure-vessels-nozzles.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-nozzles.html#comments</comments>
		<pubDate>Thu, 24 Sep 2009 02:05:23 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Specification and Design]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1944</guid>
		<description><![CDATA[Nozzles should be sized according to pipe sizing criteria, such as those provided in API RP 14E. The outlet nozzle is generally the same size as the inlet nozzle. To prevent baffle destruction due to impingement, the entering fluid velocity is to be limited as:


If an interior centrifugal (cyclone) separator is used, the inlet nozzle [...]]]></description>
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		<title>Pressure Vessels &#8211; Shop Drawings</title>
		<link>http://www.process-facility.com/pressure-vessels-shop-drawings.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-shop-drawings.html#comments</comments>
		<pubDate>Thu, 24 Sep 2009 00:37:19 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Specification and Design]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1939</guid>
		<description><![CDATA[Before the vessel fabrication can proceed, the fabricator will develop complete drawings and have these drawings approved by the representative of the engineering firm and/or the operating company. These drawings are called shop drawings. They will show detailed vessel design and fabrication/welding, nozzle schedules and locations, details of vessel internals, and other accessories. Examples are [...]]]></description>
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		<title>Pressure Vessels &#8211; Specifications</title>
		<link>http://www.process-facility.com/pressure-vessels-specifications.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-specifications.html#comments</comments>
		<pubDate>Thu, 24 Sep 2009 00:34:50 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Specification and Design]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1935</guid>
		<description><![CDATA[Most companies have a detailed general specification for the construction of pressure vessels, which defines the overall quality of fabrication required and addresses specific items such as:
• Code compliance
• Design conditions and materials
• Design details
• Vessel design and tolerances
• Vessel connections (nozzle schedules)
• Vessel internals
• Ladders, cages, platforms, and stairs
• Vessel supports and lifting lugs
• [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Pressure Vessels &#8211; Estimating Vessel Weights</title>
		<link>http://www.process-facility.com/pressure-vessels-estimating-vessel-weights.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-estimating-vessel-weights.html#comments</comments>
		<pubDate>Wed, 23 Sep 2009 09:24:32 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Mechanical Design of Pressure Vessels]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1878</guid>
		<description><![CDATA[It is important to be able to estimate vessel weights, since most cost estimating procedures start with the weight of the vessel. The vessel weight, both empty and full with water, may be necessary to adequately design a foundation or to assure that the vessel can be lifted or erected once it gets to the [...]]]></description>
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		<title>Pressure Vessels &#8211; Inspection Procedures</title>
		<link>http://www.process-facility.com/pressure-vessels-inspection-procedures.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-inspection-procedures.html#comments</comments>
		<pubDate>Wed, 23 Sep 2009 09:20:39 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Mechanical Design of Pressure Vessels]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1876</guid>
		<description><![CDATA[All ASME Code vessels are inspected by an approved Code inspector. The manufacturer will supply Code papers signed by the inspector. The nameplate on the vessel will be stamped to signify it has met the requirements of the Code. One of these requirements is that the vessel was tested to 1.5 times MAWP. However, this [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Pressure Vessels &#8211; Determining Wall Thickness</title>
		<link>http://www.process-facility.com/pressure-vessels-determining-wall-thickness.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-determining-wall-thickness.html#comments</comments>
		<pubDate>Wed, 23 Sep 2009 07:37:53 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Pressure Vessels - Design]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1862</guid>
		<description><![CDATA[The following formulas are used in the ASME Code Section VIII, Division 1 for determining wall thickness:
Wall thickness—cylindrical shells




Figure 12-1 defines the various types of heads. Most production facility vessels use ellipsoidal heads because they are readily available, normally less expensive, and take up less room than hemispherical heads. Cone-bottorn vertical vessels are sometimes used [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Pressure Vessels &#8211; Maximum Allowable Stress Values</title>
		<link>http://www.process-facility.com/pressure-vessels-maximum-allowable-stress-values.html</link>
		<comments>http://www.process-facility.com/pressure-vessels-maximum-allowable-stress-values.html#comments</comments>
		<pubDate>Wed, 23 Sep 2009 04:25:14 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Pressure Vessels - Design]]></category>
		<category><![CDATA[Pressure Vessels]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1844</guid>
		<description><![CDATA[The maximum allowable stress values to be used in the calculation of the vessel&#8217;s wall thickness are given in the ASME Code for many different materials. These stress values are a function of temperature. Section VIII of the ASME Code, which governs the design and construction of all pressure
vessels with operating pressures greater than 15 [...]]]></description>
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