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Freon Question -- Ounces and Pounds
Hey, quick question about weights and measures for R-12.
Is a pound of refrigerant equal to 16 ounces? i.e. is a 12oz can equivalent to three quarters of a pound? Sometimes it's a liquid, and sometimes it's a gas, and I measuring either one in pounds seems counterintuitive. Thanks. |
#2
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It doesn't matter if you charge as a liquid or gas. If you add a 12oz can your adding 3/4 of a pound. PS. charge as a gas. Danny
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
#3
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measuring in kgs or slugs would be better. Lbs is kind of a clumsy measurement for mass. It is unfortunate that weight and fluid measures both use onces in the english system. If you notice it says nt wt on the bottle instead of fl ozs. I don't remember if this is so I would suspect an fl oz of distilled water weights 1 oz. If so the system is even more screwed up think I think. If you struggle with mass concepts be sure to study extra hard before taking up this job. It is hard to keep straight.
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My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
#4
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This with cans upsidedown?
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#5
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NO, keep the can right side up on a normal recharge can. You don't want any liquid in your low side line to the compressor.
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-Randy Wakefield 1969 220D 4 speed (parts car) 1976 280C 1976 280S 1981 240D 4 speed (parts car) 1982 300D 1983 300TD (Ivory) 1983 300TD (gold) 1985 300TD (gray) 1987 190D 2.5 1970 280SEL (sold) 1977 240D 4 speed (sold) 1974 280 (rusted to death) --- 1927 Chevy 4 door sedan 1938 Chevy 2 door sedan 1950 Willys Jeepster 1955 Studebaker President 4 door 1977 Ford F250 1979 Glastron 17' 1948 John Deere A 1960 John Deere 2010 1979 Satoh S650G -- 2000 Bichon (Doby) |
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WHOA... this is important because accidentally putting liquid into the suction side WILL BREAK THE REED VALVES...
If you use the very handy side tappers and have it at the bottom then you need to have the can upside down... You have to take the refrigerant out of the HIGH part of the can..... |
#7
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freeze 12
r12 is 100 bucks to install and 100 bucks a pound go to ebay and
buy yourself some freeze 12 and just ad it to your r12 there compatable. |
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Blue that is like yelling fire in a crowded building. Never add freeze 12 to a system with r-12. All you get is contaminated r-12. It is an acceptable but not preferred replacement. R-12 is about 25-30 a lb on ebay and 15 dollars to get your license....
Leathermang. I got a side tapper. How do you suggest to use it with 12 and 14 oz cases or r-12. On evaporating the fluid. As long as you don't hang the can like an IV and take reasonable precautions you should have no problem getting vapor only. I think most taps have an atomizer anyway....
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My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
#9
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blueranger is a spoof ID used to harass....
As long as the position of the place where the tap occured is UP in relationship to gravity you will be pulling vapor...
Since I was among those who recommended a side tapper lately I wanted to be sure it was the concept of pulling from the vapor area was mentioned.... as compared to the blanket statement about which way the can was pointing... I have not heard of any atomizers... and they will not atomize if only liquid refrigerant under pressure is supplied to them... Compressors are way expensive in my book..... |
#10
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Agreed that compressors are to expensive and to big of hassle to be breaking. Thanks for the info.
__________________
My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
#11
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R-12 Price
Blueranger -
Interesting. I bought 2 cans of R-12 on ebay last friday. Total refrigerant weight, using my newly honed "weights an measures" skills is 1.5 pounds. Total cost was $25 delivered, or $16.60 per pound. I think I got lucky, but even so, it's a long way from your $100/lb figure. I just don't see any reason today to convert an A/C system to something other than the refrigerant it was designed for. |
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I just got my side tapper, haven't used it yet. The puncture fitting on one side - does that screw out to put can in and then move back in after the can is locked in to puncture it? Dumb question I suppose.
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'82 300SD - 361K mi - "Blue" "Good judgement comes from experience. Experience comes from bad judgement." listen, look, .........and duck. |
#13
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Pete if you have the side tapper I do I think you use the handles to push the tap into the can. That is your source of leverage as opposed to a screw on a top tapper.
__________________
My Daily : 96 E-300 Diesel with 195,000 miles Retired: 92 300D 2.5 T 345K miles and for sale Retired: 95 E320 157K miles and currently parked with blown engine Both retired cars are for sale as is my w124 shop inventory |
#14
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Have a great day, |
#15
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Have a great day, |
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