Condensate Return Pipes

[hshank]

Hello Everyone,

 

Can anyone tell me what type of pipe(s) you guys use on your condensate return system?

 

Thank you in advance,

 

Hendrik Shank

[Maciejczyk, Joseph]

Hendrik

 

This is based on our inspection work.  We are not Owner/Operators, we are an Engineering and inspection company.

 

·         We typically see Schedule XS on condensate lines. 

o   For 8-inches and below this is schedule 80. 

o   Over 8-inches, the schedule starts to vary. 

·         Fittings are usually 3000 pound rated. 

·         Most material we see is A106 Grade B “Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service”

                                                                                      

We have seen some installations that utilize schedule 160, but rarely.  160 is more than double the cost of 80. 

 

I hope this helps.  Give me a call or email if you have any follow-up questions.

 

Regards,

Joe

 

Joseph P. Maciejczyk, P.E.

Associate
Structural Integrity Associates, Inc.
Experts in the prevention and control of structural and mechanical failures

Cell:  804-502-2820

E-mail:  jm...@structint.com
Web Site:  www.structint.com

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[Jauch, Carl]

In Minneapolis we use commercially available, steel pipe from vendors such as Thermacor, Tricon, Perma-Pipe, etc.  The piping is seamless, Schedule 80, and factory insulated.  We take great care at the joints to retain the integrity of the insulation so that no external water can get to the pipe.

 

Carl     

 

Carl Jauch Director MEC Engineering NRG Energy Center Minneapolis Direct: 612.436.4112 Mobile: 612.360.8574 Carl....@nrgenergy.com

 

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From: distribut...@googlegroups.com [mailto:distribut...@googlegroups.com] On Behalf Of hshank
Sent: Monday, April 01, 2013 12:15 PM
To: distribut...@googlegroups.com
Subject: {Distribution Forum} Condensate Return Pipes

 

Hello Everyone,

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[David Christiansen]

U of M uses standard carbon steel pipe, schedule 80, seamless, welded construction.  Our low pressure return temps are usually around 170F at max loads, around 25ft head pressure.  The high pressure return piping uses the same materials, but is designed for 250 psig @ 500F, the same as our steam system.

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Comments and Feedback are Always Appreciated.

 

David Christiansen

Principal Mechanical Engineer Supervisor

Energy Management

 - a division of Facilities Management

UNIVERSITY OF MINNESOTA

chri...@umn.edu

Office:  612-626-3766

Cell:  952-607-5596

ASME Plant Engineering and Maintenance Division (PEMD) Vice-Chairman

SMRP Certified Maintenance and Reliability Professional