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Food Grade Oil Spray Pump


Best Answer LDG_Honey, 25 April 2019 - 06:35 PM

I think you'll have to have one built custom for your purposes.

 

Classic Stand N spray are designed for water based liquids. this mean the body of the pressure vessel, the internal diameter of the pipes, the pressure rating are chosen to work well with liquids as or nearly as viscous as water.

 

Vegetable oil is significantly more viscous than water. As example, olive oil @68F has a viscosity of 84mPa*s, where water at the same temperature has a viscosity of 1mPa*s. https://physics.info/viscosity/

 

In order for vegetable oil to spray, you'll need to raise the pressure and temperature inside the vessel, far above to what I would consider ''safe'' in a plastic stand N spray.

Hot oil loves plastics and it will infiltrate through and softens it, (even teflon has limits!) leaching plastifiers and staining it. Cleaning and sanitation will be a nightmare.

 

So yeah...look for one made out of stainless steel just to be safe!

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#1 QA_123

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Posted 25 April 2019 - 01:11 PM

Hello,

I am looking for basically a stand 'N spray pump like you use for weed killer, fertilizer, etc. but food grade.  I was hoping somebody here would know where I can find one if there is such a thing.  I need it for spraying vegetable oil.  

 

Thank you



#2 LDG_Honey

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Posted 25 April 2019 - 06:35 PM   Best Answer

I think you'll have to have one built custom for your purposes.

 

Classic Stand N spray are designed for water based liquids. this mean the body of the pressure vessel, the internal diameter of the pipes, the pressure rating are chosen to work well with liquids as or nearly as viscous as water.

 

Vegetable oil is significantly more viscous than water. As example, olive oil @68F has a viscosity of 84mPa*s, where water at the same temperature has a viscosity of 1mPa*s. https://physics.info/viscosity/

 

In order for vegetable oil to spray, you'll need to raise the pressure and temperature inside the vessel, far above to what I would consider ''safe'' in a plastic stand N spray.

Hot oil loves plastics and it will infiltrate through and softens it, (even teflon has limits!) leaching plastifiers and staining it. Cleaning and sanitation will be a nightmare.

 

So yeah...look for one made out of stainless steel just to be safe!



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#3 QA_123

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Posted 03 May 2019 - 01:15 PM

We found a stainless steal one that works great.  






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