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Anonymous Poster

design code for chemicals

09/05/2008 8:46 AM

Kindly suggest me the applicable design code for storage & pumping of following chemicals

Methanol ,Di ethylene glycol, petane,benzene,polyethylene glycol,, hydrochloric acid,caustic solution NaOH

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vicini
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#1

Re: design code for chemicals

09/05/2008 9:12 AM

ASME B31.3. , API 620, 650 and 653.,API-610, ASME section VIII
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PWSlack
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#2

Re: design code for chemicals

09/05/2008 10:52 AM

All bar the last two have varying levels of flammability, which affects the line sizing for static electricity control, and the pump motor and electrical instrument selections. Further, their density and viscosity will affect pump selection and line sizing.

Hydrochloric acid will probably require a plastic pump and double-containment plastic pipework.

NaOH freezes at about 8degC at bulk storage concentrations, though everything it's in can be mild steel. Consider trace heating, tank heating and line insulation, the materials and covering of which will need to be compatible with local conditions.

The end Client's piping standards may give some more clues.

Anything else?

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