I need to know what are normal operating pressures for r404a ... are they extremely high compared to automotive?
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Matt
Independent shop parts and airconditioning specialist.
Edited: Thu January 15, 2004 at 2:04 PM by calairematt
r12 24PSI=24 * 200PSI= 138*
R134 24PSI= 27* 200PSI=131*
R404A 24PSI= -10* 200PSI= 88*
Are guages that read up to 800 psi on the highside overkill ... can i just use r-12 guages?
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Matt
Independent shop parts and airconditioning specialist.
They are for automotive use! Wait until the CO2 system are out then a 1000 plus gauge set may be needed.
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the reason that i ask is that i am helping a marine corps unit. They have a robinair 17800B machine (Automotive) that they are using for equipment that is meant to be serviced by commercial service equipment. for their r134a items i am selling them retrofit adapters so they can use existing hoses and couplers with their machine. The marine that i am working with said he also needs guages that go over the regular 500 psi . he just got out of refrigeration school and just wondering if he is crazy or if it really neccesary.
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Matt
Independent shop parts and airconditioning specialist.
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