Fuel Gas Pipe size & Flange Rating

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JBK Associate Join Date: Jun 2011 Posts: 32	Fuel Gas Pipe size & Flange Rating 08/11/2011 4:38 AM

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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#1 Re: Fuel gas Pipe size & flange rating 08/11/2011 4:46 AM
	Er, all the information needed is on the drawing. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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ducon Guru Join Date: Dec 2006 Location: Hop around Toronto, New York & Karachi Posts: 1876 Good Answers: 19	#4 In reply to #1 Re: Fuel gas Pipe size & flange rating 08/12/2011 1:15 AM
	__________________ I not only use all the brains that I have, but all that I can borrow. Woodrow Wilson
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pipeit Power-User Join Date: Dec 2007 Posts: 142 Good Answers: 1	#2 Re: Fuel Gas Pipe size & Flange Rating 08/11/2011 12:17 PM
	Homework? Some of the pipe sizes seem odd.
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sabriahmad Commentator Join Date: Nov 2009 Posts: 78 Good Answers: 9	#3 Re: Fuel Gas Pipe size & Flange Rating 08/11/2011 10:14 PM
	Dear JBK 1. Line size - it depends on the future demand, the length of pipe and the pressure at the terminal. However, I believe that this info is not currently available, then my suggestion is for you to use the same diameter as the main header. 2. Flange rating - for C.S at 16 bara and 65 C, 150# just meet your requirement. However, I propose that you use 300# rating to be on the safe side. Hope the above helps. Sabri Ahmad
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prdp2344 Commentator Join Date: Aug 2011 Location: India Posts: 59 Good Answers: 11	#5 Re: Fuel Gas Pipe size & Flange Rating 08/13/2011 7:23 AM
	Gas velocity as per the data is around 25 m/s, which is in order for fuel gas. Every thing looks like for future connections, except the last one. You should decide the pipe size & flange ratings for future connections 1,2,3 in the same way as present. Follow the same velocity limit of 25 m/s and calculate the pipe size. Rating shall be same as present because pressure is the same. Different flow units for future connection 180 MMSCF/d is not understood. __________________ When there is smoke, there must be fire.
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ducon (1); pipeit (1); prdp2344 (1); PWSlack (1); sabriahmad (1)

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