What Is The Angle On A Flare Connection? Best 7 Answer

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Fitting Flare Angle AN Aircraft Flare fittings have a 37 degree flare angle. Many industrial fittings use a 45 degree flare angle. Most of the time, when you are working on aircraft, the hoses have a 37 degree flare and you don’t think about the flare angle.37° flare fittings perform well in severe applications where vibration, high pressure, and thermal shock exist. The flare fitting sleeve insures tube alignment with the fitting body axis and minimizes mechanical strain on the tube.45 Degree Male Elbows

Inverted and extruded flare fittings resist mechanical pull out and are designed for use with aluminum, brass, copper, and welded steel tubing. Use in gas and liquid applications.

What Is The Angle On A Flare Connection?
What Is The Angle On A Flare Connection?

Why are flare fittings 37 degrees?

37° flare fittings perform well in severe applications where vibration, high pressure, and thermal shock exist. The flare fitting sleeve insures tube alignment with the fitting body axis and minimizes mechanical strain on the tube.

What is a 45 degree flare fitting?

45 Degree Male Elbows

Inverted and extruded flare fittings resist mechanical pull out and are designed for use with aluminum, brass, copper, and welded steel tubing. Use in gas and liquid applications.


FAQ SPIN Tools: Flare Angle with the Flaring SPIN Tool

FAQ SPIN Tools: Flare Angle with the Flaring SPIN Tool
FAQ SPIN Tools: Flare Angle with the Flaring SPIN Tool

Images related to the topicFAQ SPIN Tools: Flare Angle with the Flaring SPIN Tool

Faq Spin Tools: Flare Angle With The Flaring Spin Tool
Faq Spin Tools: Flare Angle With The Flaring Spin Tool

Is an a 37 degree flare?

This fitting design was the forerunner of the current AN and SAE 37° flare fittings. The U.S. Air Force, with help from Wright Patterson Air Force base, developed a fitting with 37° flare angle, before WWII, which became known as the “AN” fitting.

What the difference between 37 and 45 degree flare?

JIC 37 degree flare union fittings is in most hydraulic systems in high pressure application such hydraulic excavator, loader and tractor etc. SAE 45 degree flare fittings is used in low to medium pressure applications such as military and aerospace equipment. they doesn’t interchangeable into each other.

Are all an fittings 37 degree?

What are the differences between the two standards? AN and JIC (SAE J514 standard) both have a 37° flare connection on the male and female sides of the fitting and straight threads.

What angle are brake line flares?

The basic types of brake line fittings.

The head of the flare is made at a 45 degree angle. AN or army/navy fittings are always a 37 degree fitting. They CAN NOT be interchanged.

What is a 37 degree flare fitting?

A 37-flare fitting is an excellent pressure fitting having a broad selection of styles & shapes and is very extensively used all over the globe. Main features that call for its use are its simplicity, compactness in design, ease of assembly, high reliability, easy availability & global acceptance.


See some more details on the topic What is the angle on a flare connection? here:


Flare fitting – Wikipedia

The most common flare fitting standards in use today are the 45° SAE flare, the 37° JIC flare, and the 37° AN flare. SAE 45° flare connections are commonly used …

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AN 37° Flare vs Industrial 37° Flare Fittings – Details Home

AN 37° Flare: Available commonly in carbon steel, stainless steel (CRES), aluminum, titanium and copper-nickel; SAE/ISO 37° Flare: Available …

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Make a Flare Connection – Fine Homebuilding

The flare angle used for copper tubing in residential plumbing is 45°, while 37.5° is the standard in industry and automotive work. In other …

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SAE 45 Degrees – Fittings Space

The refrigeration and air conditioning industry usually uses 45° flare connections while hydraulic hoses are usually 37-1/2° flare connections. Flared fittings …

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What angle are an fittings?

Many industrial fittings use a 45 degree flare angle. Most of the time, when you are working on aircraft, the hoses have a 37 degree flare and you don’t think about the flare angle.

What degree is a double flare?

– double flares are used with 45 degree inverted flare fittings, which is what’s stock on older cars on brake, fuel, hydraulic, and vacuum lines. Part of this is based on the fittings – if single flared the nut may bottom out before the fitting seals.

What is a standard flare?

The most common flare fitting standards in use today are the 45° SAE flare, the 37° JIC flare, and the 37° AN flare. SAE 45° flare connections are commonly used in automotive applications as well as for refrigeration and air conditioning. SAE fittings are typically made from brass.

What degree is an inverted flare fitting?

Inverted Flare Hydraulic Tube Fittings

Seats and threads are internal and protected. Short nut (available in brass or steel) allows very close tube bends. Working pressure: up to 2,000 psi depending on tube size. Temperature range: -65°F to +250°F at maximum operating pressures.


How to Install a BrassCraft® Flare Fitting

How to Install a BrassCraft® Flare Fitting
How to Install a BrassCraft® Flare Fitting

Images related to the topicHow to Install a BrassCraft® Flare Fitting

How To Install A Brasscraft® Flare Fitting
How To Install A Brasscraft® Flare Fitting

Will 45 degree flare seal on 37 degree?

flared at 45 degrees would seal against a 37 degree fitting. Pay attention to what type reducer you’re using.

Are brake lines 37 or 45 degree flares?

Original equipment brake line with an inverted flare (i.e. Mustang brake lines) uses a 45° double flare (SAE standard). 37° single flare is ONLY for AN fittings. If AN fittings are used, only STEEL AN fittings are acceptable for brake lines. correct!

Will a 45 degree flare work on a 37 degree fitting?

Note that 37° AN and 45° SAE fittings and tooling are not interchangeable due to the different flaring angles.

ARE AN fittings the same as flare fittings?

Technically speaking, AN fittings are manufactured to MIL-F-5509, and industrial 37-degree flare fittings are manufactured to meet SAE J514/ISO-8434-2. (Learn how to cross reference Military Specification numbers with this Air-Way tutorial.) The most notable difference between these standards are in the threads.

Are JIC and flare fittings the same?

JIC fittings are dimensionally identical to AN (Army-Navy) fittings, but are produced to less exacting tolerances and are generally less costly. SAE 45-degree flare fittings are similar in appearance, but are not interchangeable, though dash sizes 2, 3, 4, 5, 8, 10, 14, and 16 share the same thread size.

Why do some AN fittings have O rings?

Port fittings and adapter fittings using straight thread require use of an O-ring boss seal technique to seal against leakage.

How do you measure brake line fittings?

First, use calipers to measure the thread diameter. The male threads will be slightly smaller than the nominal size, and the female threads will be slightly larger than their nominal size. Next, measure the pitch. For imperial sizes, count the number of crests within a ½” section and multiply it by two to get TPI.

Do brake lines need to be double flared?

All brake lines need to be double flared, due to the high hydraulic pressure. If your brakes leak or the hoses crack, it could prove to be fatal. Single flared lines are suitable for low-pressure lines in other applications, but not your vehicle’s brakes.

What is the difference between a single and double flare?

The single flare is very identical to the double flare. Although they look a lot alike, the double flare is much stronger and can hold more pressure build up inside the braking system. The double flare is a flare that is especially popular in vehicles imported from Europe.


How to Flare Copper Pipe!

How to Flare Copper Pipe!
How to Flare Copper Pipe!

Images related to the topicHow to Flare Copper Pipe!

How To Flare Copper Pipe!
How To Flare Copper Pipe!

How do you size an fitting?

AN Fittings and Hose Sizes Chart
AN Size Hose / Tube O.D. SAE Thread Size
-6 3/8 in. 9/16 in.-18
-8 1/2 in. 3/4 in.-16
-10 5/8 in. 7/8 in.-14
-12 3/4 in. 1 1/16 in.-12
Feb 25, 2020

What’s the difference between an and JIC fittings?

JIC fittings are also commonly confused with AN (Army Navy) fittings. Although the two are dimensional identical, the AN military standard calls for tighter tolerances and defines all fitting types, where the JIC uses AN specifications as the base line for their own standards and covers fewer sizes.

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