R12 to R134a Conversion Chart & Formula - techtown
R12 to R134a Refrigerant Charge Conversion Charts. While the formula above is helpful, you might be strapped for time and need an answer quickly. Below is a PDF of tables that show …
R32 vs R290 vs R134a vs R12 Refrigerant - techtown
When technicians and facility managers search the web to learn about the refrigerant in the unit they're working on, there are four types that often get linked to one another. In the chart below, …
Use the formula below to calculate the change in charge level from R12 to R134a refrigerant. This applies to specifications listed in pounds only. (R12 Charge Specification x 0.9) – 0.25 lbs. = …
What is the value of R12 refrigerant? - Discussion Forums
2016年9月21日 · Someone I know has a leftover canister of R12 (Freon) refrigerant. He is in the heating and air conditioning business and is cleaning out some "unnecessary" old supplies. …
Retrofit R-12 to 134A - what about the oil? - Discussion Forums
2019年11月8日 · But what about the refrigerant oil? My new 134A compressor came with a 3 oz. charge. My original service manual states that the factory compressor should have 10.5 oz of …
What Happens If You Put R134a in an R12 System? - techtown
What are the Differences Between R134a and R12 Refrigerant? While both R12 and R134a are refrigerants and are used for cooling and refrigeration, they are two different compounds …
1990 Robinair R12 recovery machine - how does it work?
2020年10月23日 · I recently picked up this neat machine. It is a Robinair R-12 recovery and recycle machine Model 17300. It is dated 1990 but I can find no documentation about how it …
Converting 1990 from R12 to 134A - Discussion Forums
2022年5月4日 · R134 is a lot smaller molecule than R12, so I have heard stories of it leaking out from R12 designed systems, however I had it done professionally on a 73 Volvo 1800ES …
Anyone used Enviro-Safe Refrigerant yet? - Discussion Forums
2011年4月16日 · On the hoses, if you are replacing hoses, triple wall OR used R-12 hoses will work. The entrained refrigerant oil will impregnate old hoses and provide a molecular seal. If …
What is the value of R12 refrigerant? - Discussion Forums
2016年9月21日 · OK I have one car still with R12 and that is the Judge, all of the rest have R134A. The original problem with converting R12 to R134 was the oil. R12 mineral oil did not …