A term usually applied to fittings having a 45 ํ angle flare or seat. Soft copper tubing is generally used in such applications as it is easily flared to the 45 ํ angle. These are for low-pressure applications - such as for fuel lines and refrigerant lines.The SAE 45 ํ flare male will mate with an SAE 45 ํ flare female only or a dual seat JIC/SAE 45 ํ.The SAE male has straight threads and a 45 ํ flare seat.The SAE female has straight threads and a 45 ํ flare seat. The seal is made on the 45 ํ flare seat.Some sizes have the same threads as the SAE 37 ํ flare.Carefully measure the seat angle to differentiate.
SAE 45 ํ Flare Male SAE 45 ํ Flare Swivel Female
AM AS