reducers
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12 years 1 month ago - 12 years 1 month ago #6546 by AbhijitN
Replied by AbhijitN on topic Re: reducers
Also it will be interesting to know the effects of all of the other situation than mine which can affect the reducers selection. You can exclude the Pump situation as you have already told us the same.
Pls tell us more on the other situations ...thnx
Pls tell us more on the other situations ...thnx
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12 years 1 month ago - 12 years 1 month ago #6544 by Jop
Do it once and Do it Right
Replied by Jop on topic Re: reducers
How far does the 4" travel after the reduction (from 12") before it changes direction?
And which direction does it go?
And which direction does it go?
Do it once and Do it Right
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12 years 1 month ago - 12 years 1 month ago #6545 by AbhijitN
Replied by AbhijitN on topic Re: reducers
just 1.5meters horizontal travel after the 4" reduction....& is going down!.............curious to know...the reasons 
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12 years 1 month ago - 12 years 1 month ago #6542 by Jop
Do it once and Do it Right
Replied by Jop on topic Re: reducers
Here is my recommendation:
Option "A"
Continue the 12" pipe 2'-0" past the point where the 4" turns down. Place a 12" Weld Cap on the end of the pipe. Place a 12" x 4" WOL (Weld-O-Let) on the bottom of the 12" pipe and then attach the 4" pipe and continue the 4" run.
Reason: "Cost"! The Weld Cap and a few feet of pipe is cheaper than the two reducers and the extra welds.
Option "B"
Continue the 12" pipe 2'-0" past the point where the 4" turns down. Place a 12" Weld Neck Flange & a 12" Blind Flange on the end of the pipe. Place a 12" x 4" WOL (Weld-O-Let) on the bottom of the 12" pipe and then attach the 4" pipe and continue the 4" run.
Reason: "Future expansion"! The Weld Neck flange allows for the extension of the 12" header for future connections to other equipment. The cost of the flanges is possibly the same as the reducers and the welds.
Option "A"
Continue the 12" pipe 2'-0" past the point where the 4" turns down. Place a 12" Weld Cap on the end of the pipe. Place a 12" x 4" WOL (Weld-O-Let) on the bottom of the 12" pipe and then attach the 4" pipe and continue the 4" run.
Reason: "Cost"! The Weld Cap and a few feet of pipe is cheaper than the two reducers and the extra welds.
Option "B"
Continue the 12" pipe 2'-0" past the point where the 4" turns down. Place a 12" Weld Neck Flange & a 12" Blind Flange on the end of the pipe. Place a 12" x 4" WOL (Weld-O-Let) on the bottom of the 12" pipe and then attach the 4" pipe and continue the 4" run.
Reason: "Future expansion"! The Weld Neck flange allows for the extension of the 12" header for future connections to other equipment. The cost of the flanges is possibly the same as the reducers and the welds.
Do it once and Do it Right
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