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Thread: Identifying R404A
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28-06-2012, 06:37 PM #1
Identifying R404A
Gents,
How can anyone identify whether the refrigerant supplier has supplied genuine refrigerant
R404a?
Please help me.
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28-06-2012, 06:53 PM #2
Re: Identifying R404A
.
Use the pressure temperature relationship test.
At any given temperature the refrigerant will be at a certain pressure.
Measure the temperature of the cylinder, measure the pressure of the
cylinder and they should corrispond with what it should be on a chart
or comparitor.
Regards
Rob
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01-07-2012, 10:11 PM #3
Re: Identifying R404A
thats the only way i know,why do you ask the question if you doubt your supplier find another not worth the risk!!
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01-07-2012, 10:33 PM #4
Re: Identifying R404A
http://www.sanwatsusho-global.com/pr...df/ta_400a.pdf
refrigerant identifier
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02-07-2012, 09:59 PM #5
Re: Identifying R404A
normaly for cooling down to 0C. the suction pr = 50, discharge pr = 300 psi.
and these nos. could be slightly diff due to weather and charge.