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Where we are using concentric and eccentric reducers?

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تم إضافة السؤال من قبل ELDHO GEORGE , MECHANICAL ENGINEER , ARKAD ENGINEERING AND CONSTRUCTION CO. KSA
تاريخ النشر: 2018/04/17
Mohammad Ahmad Zia
من قبل Mohammad Ahmad Zia , Project Engineer , Albanna Engineering LLC

Concentric Reducers are used for vertical piping whereas eccentric reducer are used at Pipe rack to maintain bop and  Flat side Up at Pump Suction to avoid cavity.

Subhasis Deb
من قبل Subhasis Deb , Piping Lead Engineer , CH2MHill India Ltd

Eccentric reducers are used to maintain the same bottom of pipe. It is extensively used when the pipe is on a long run on a sleeper/pipe rack and there are other pipes which are also supported from the same top of steel. Exceptions are at pump suction where we should haveflat side up in order to avoid bubble formation in the pump inlet which could lead to cavtation and damage of impellars of the pump. All other places concentric reducer is fine.

bahram haghighi
من قبل bahram haghighi , Project Manager , SSK - construction contractor

Where pipe laying on a pipe rack or a slipper without any support,Eccentric Reducers are  used with flat side  down. And Eccentric Reducers also used in pumps suction side with flat side up.

Where pipe on a pipe rack or a slipper with support under the pipe ,Concentric Reducers may  be used too. It is used in pumps discharge side.

 

 

Mohamed Albeeta
من قبل Mohamed Albeeta , Piping Design Engineer , SAIPEM

normaly we use the eccentric reducers on pipe rack to keep BOP  in the same level..

Bassem Kdeiss
من قبل Bassem Kdeiss , MEP Engineer Manager , United Development Co

Eccentric reducers are used in chilled and heating water pipes networks.

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