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Filters, Screens and Strainer Calibration


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#1 SPL

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Posted 01 August 2014 - 12:28 PM

I'll only dealt with changeable filters that come with a certificate.  

 

Can anybody provide with some information on the calibration of reusable filters, screens and strainers. How are strainers sized, I have a couple of strainers in the plant no one knows the size of.  



#2 jel

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Posted 11 August 2014 - 12:09 AM

The following link contains information about the size of the filters http://www.filters-s.../meshchart.html.
 
As for how calibrated, it is similar to any mesh, ie, must use a standard with calibration certificate. In this link will find a supplier of that standard: http://www.coleparme..._PDF/T_1885.pdf
 
Also, you should also use these standards for the monitoring activities


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#3 Charles.C

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Posted 11 August 2014 - 07:50 AM

I'll only dealt with changeable filters that come with a certificate.  

 

Can anybody provide with some information on the calibration of reusable filters, screens and strainers. How are strainers sized, I have a couple of strainers in the plant no one knows the size of.  

Dear SPl,

 

Some info. on, for example, what is written on the filters, might elicit more direct information.

 

Or perhps the previous post has answered yr query ? IMEX, the size is usually stamped on the product >> Reference Table depending on BS, US, etc

 

Or did you want something like this ? -

 

Attached File  Calibration of Filter Media Using NIST Traceable Reference Standards.pdf   651.1KB   67 downloads

 

Rgds / Charles.C


Kind Regards,

 

Charles.C


#4 SPL

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Posted 11 August 2014 - 01:15 PM

Charles,

 

Thanks for the information. The only strainer I have trouble identifying is the inline strainer basket with 100% certainty but using jel's links, I believe its a 1/4 diameter strainer.

 

 Please see the following link for reference.  http://www.coleparme...ons/UX-29590-22.

 

The strainer socket, is 300 mesh and made out of cotton.

 

I would like to develop a fail or pass inspection procedure for these inline strainers.






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