RE: temporary strainer removal

From: <Saha>
Date: Tue Aug 30 2005 - 10:47:00 EDT


Although it is called temporary strainer but mostly people do not remove it. May be a permanently temporary strainer.

-----Original Message-----

From: <a href="/group/PipingDesign/post?postID=4RgGS1TQmtfKvObhCRoZdAHs2Vlxl_pQUmhesQFW_fpmdbbFW72Y-GpMqTWYLAu8AMn8FVlZ069zQQaUBXAs1ydgZWmrnRQ">PipingDesign@yahoogroups.com</a> [mailto:<a href="/group/PipingDesign/post?postID=4RgGS1TQmtfKvObhCRoZdAHs2Vlxl_pQUmhesQFW_fpmdbbFW72Y-GpMqTWYLAu8AMn8FVlZ069zQQaUBXAs1ydgZWmrnRQ">PipingDesign@yahoogroups.com</a>] On Behalf Of George McKinney
Sent: Tuesday, August 30, 2005 6:32 PM
To: <a href="/group/PipingDesign/post?postID=4RgGS1TQmtfKvObhCRoZdAHs2Vlxl_pQUmhesQFW_fpmdbbFW72Y-GpMqTWYLAu8AMn8FVlZ069zQQaUBXAs1ydgZWmrnRQ">PipingDesign@yahoogroups.com</a> Subject: Re: [PipingDesign] temporary strainer removal

Hello Pipe Design (Somebody is writing anonymously, maybe as a result of recent flaming on this site?)
You are correct on the spacing. You could have just a spacer ring, but I would recommend an alternate strainer with large holes - something that would stop large pieces of trash but not clog.

George McKinney

   Hello everybody
   Temporary strainers are specified on piping connected to pumps and compressors during commissioning.They are placed between two flanges, so there is a gasket specified on both sides of the strainer.If the thickness of the strainer plate is 't' mm , then the total space between the two flanges is (6 + t )mm .(taking gasket thickness = 3mm ).The same is reflected on the isometrics.

   Now , after commissioning , when this strainer is removed , how is the gap created by removal of the strainer ( 3+t )mm compensated for ?

   Is a spacer ring of thickness 't' installed in place of the strainer.? If this is not the case , then strain is being imposed on the equipment nozzle for which there is no accounting during stress analysis.

   Regards,


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