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Design of boiler blowdown piping

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yama21250

yama21250

Mechanical
Joined
Oct 3, 2017
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Does boiler blowdown piping need to have sweep elbows (3 x radius) or double 45* elbows? I have some info from a boiler inspector requesting this on our blowdown piping but can not find any documentation to support this.

Thanks!
 
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May check the AMSE B31.1 Power Piping Code for the design requirements of the Boiling blowdown piping for your system.
 
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B31.1 Section 122.2 has a should statement for 3D pipe bends.

 
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"...should..." and "must" are two different animals.
 
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From 2016, B31.1 Section 100.2
should: “should” or “it is recommended” is used to indicate that a provision is not mandatory but recommended as good practice.

suggest using good engineering judgement as you likely know the overall system layout and requirements.
 
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