Full Answer
Are all R12 fittings the same size?
The low-side R12 port is always 1/4" male flare thread. While the high-side is usually the same size as the low, in certain applications it could be a smaller 3/16" male flare. Click to see full answer. Herein, are r12 and r22 fittings the same?
What size fitting for a R12 fuel tank?
It will be for either R134a or R22. R12 and R22 share the same size fitting. In either case it is a 1/2" ACME thread fitting. Odds are your gauge set is for R12 and the tank is threaded for a R134a charge hose.
What are R12 to R134a adapter fittings?
These R12 to R134a adapter fittings allow for easy conversion of the R12 charge ports to R134a charge ports without having to modify any of the existing fittings or hose. Pay particular attention to the R12 fitting size you have while ordering.
What size threads are used for R12 refrigerant?
These fittings are used with most refrigerants including R-12 and R-22, and stationary systems with R-134a. Cylinders of R-134a sold for automotive use have 1/2 inch acme threads. These threads are larger diameter and coarser thread pitch.
What size is a R12 port?
This set is for GM vehicles which used a unique high side R12 port, which is smaller in diameter (3/16") than the low side port (1/4").
Are R12 and 134a fittings the same?
There are a lot of differences between the R12 and the R134a fitting. If they left the R12 fittings on the converted R134a system, you can accidentally fill it with R12. One will not interchange with the other because the fitting is so far away from the function and operation.
What size are refrigerant hose fittings?
Co... Elitech refrigerant charging hoses set with standard 1/4" flare fittings.
What size are R22 fittings?
Newer R410A Ductless Mini Split Systems are usually equipped with a different charging port size to avoid charging of wrong refrigerant into the system (ie R22). This new port size is 5/16" SAE and some gauge sets carry 1/4" SAE connectors.
Can you top off R12 with R134a?
No. Federal law prohibits topping off an R12 system with a different refrigerant. Your options are to locate some R12, however you must be certified to purchase, and add it with an R-12 recharge hose.
How do I change from R12 to 134a?
7:4012:07How to Convert Your Car's A/C System from R12 to R134a - YouTubeYouTubeStart of suggested clipEnd of suggested clipSince r134a operates at a slightly higher pressure than r12. You only need to fill the system to 85MoreSince r134a operates at a slightly higher pressure than r12. You only need to fill the system to 85 percent of its original capacity when performing a conversion.
What size is #12 AC hose?
Please contact us for price and availability of reduced barrier hose.HOSE SIZEINSIDE DIAMETEROUTSIDE DIAMETER#813/32”45/64”#101/2”25/32”#125/8”61/64”#143/4”11/8”1 more row
What size are r134a fittings?
Fittings are 7/16" Flare x 14MM Hose for Automotive R-134a.
How do you size an fitting?
AN Fittings and Hose Sizes ChartAN SizeHose / Tube O.D.SAE Thread Size-21/8 in.5/16 in.-24-33/16 in.3/8 in.-24-41/4 in.7/16 in.-20-55/16 in.1/2 in.-209 more rows•Feb 25, 2020
What thread are refrigerant hoses?
Standard refrigeration charging hoses with 1/4" SAE Male and Female Thread. Fit for R134a, R12, R22 refrigerants. Working Pressure: 3000 psi burst / 600 psi Max.
How are AC fittings measured?
Use a thread pitch gauge to determine the number of threads per inch or the distance between threads in metric connections. Place the gauge on the threads until the fit is snug. Match the measurement to the charts. Measure the thread diameter with an I.D./O.D.
What type of fitting is R134a?
R134a HOSES WITH 1/2″ ACME-F AND 14MM-M AUTO A/C FITTINGS.
What is ACME fitting?
Secondly, what is an Acme fitting? An ACME fitting is a piece of pipe that either connects one or two pieces of pipe together. Continental NH3 carries various types of ACME fittings, such as couplings and adapters. Our fittings are manufactured specifically for the agricultural industry and used for Anhydrous Ammonia.
Is R134A bigger than R12?
The oils are different and not compatible and can cause an explosion. R134a is also a smaller molecule than r12 so if you HAD a small leak with r12 that you did not fix you have an even bigger leak now. R134a is so much smaller than r12 that it will leak right through the older hoses used for r12.
Can you replace R134A with R12?
There is a lot of differences between the R12 and the R134a fittings, you can't mistake them. Yes, you can accidently fill a converted R134a system with R12, only if they left the R12 fittings on it. The fittings themself are so far apart from the function and operation, one will not interchange with the other.
