What is an A/C flaring tool used for?

A/C flaring tools are specialized tools used to create a flared end on metal tubing, typically copper or aluminum. This flared end provides a secure, leak-proof connection when joined to other components with a threaded fitting. In automotive A/C systems, flaring is essential for connecting refrigerant lines to components like evaporators, condensers, and compressors. A proper flare ensures a tight seal that can withstand the high pressures and temperature fluctuations within the A/C system.

What's the difference between a 45-degree flare and a double flare?

A 45-degree flare creates a single, outward flare on the end of the tubing. A double flare, on the other hand, folds the tubing back on itself before creating the flare. Double flares are generally stronger and more resistant to cracking or leaks, especially in high-pressure systems or when working with harder metals. Some applications, like brake lines or certain A/C connections, specifically require a double flare for enhanced reliability. Mastercool offers adapters like the 3/16" 45° & Double Flaring Adapter Tool for creating both types of flares.

What size flare do I need for my A/C lines?

The correct flare size depends on the specific fittings and tubing used in your A/C system. A/C systems often use standard SAE flare sizes. Always consult your vehicle's service manual or the component manufacturer's specifications to determine the exact flare size required. Using the wrong size can lead to leaks or damage to the fittings. Adapters like the CPS Products R410A Adapter can help with transitioning between different fitting sizes.

Can I use a standard brake flaring tool for A/C lines?

While some brake flaring tools might appear similar, it's generally not recommended to use them interchangeably with A/C flaring tools. Brake lines often require double flares, while A/C lines might use single or double flares depending on the application. The dies and adapters in a brake flaring kit may not be the correct angle or size for A/C tubing. Using the wrong tool can result in an improperly formed flare, leading to leaks or component failure. Always use a flaring tool specifically designed for A/C lines to ensure a proper seal.

What are some common mistakes to avoid when flaring A/C lines?

Several common mistakes can compromise the quality of a flared connection. Not properly deburring the inside and outside of the cut tubing can leave sharp edges that cause leaks. Over-tightening the flare nut can also damage the flare. Ensure the tubing is properly aligned in the flaring tool before creating the flare. Always inspect the finished flare for cracks, imperfections, or unevenness. If you're unsure, it's best to cut the tubing and start over to ensure a reliable connection.

What type of tubing is compatible with A/C flaring tools?

A/C flaring tools are primarily designed for use with soft, malleable tubing such as copper, aluminum, and sometimes soft steel. The specific type of tubing your A/C system uses will dictate the correct flaring procedure and whether a single or double flare is required. Always verify that the tubing material is compatible with the flaring tool and the fittings you are using. Attempting to flare hardened steel or other rigid materials can damage the tool and result in an unusable flare.

Are there specific A/C flaring tools for metric tubing?

Yes, some A/C systems, particularly those in import vehicles, may use metric-sized tubing. While some flaring tools can accommodate both SAE and metric sizes, it's essential to ensure the tool you're using is compatible with the specific tubing size. Using an incorrectly sized flaring tool on metric tubing can result in a poorly formed flare that leaks. Always double-check the tool's specifications and use the correct adapters or dies for the metric tubing size.

Search

Manufacturers [more]

Imperial | 537-F | 37 Degree Large Size Rol-Air Flaring Tool

Name: 37 Degree Large Size Rol-Air Flaring Tool
Brand: Imperial
SKU: 116371
Price: 561.14 USD
Availability: InStock
Rating: 3 (1 reviews)

larger image

Specifications

Manufacturer: Imperial
Model Number: 537-F
Product Weight: 13 lbs (5.9 kg)

Key Features

Precision 37-Degree Flares: Engineered to create accurate 37-degree flares, essential for specialized high-pressure connections.
Large Size Tubing Compatibility: Designed to flare larger diameter tubing, expanding its application range for various industrial and commercial needs.
Rol-Air Flaring Mechanism: Incorporates a smooth, consistent flaring action, which helps minimize effort and produces uniform flares.
Durable Construction: Built with robust materials to withstand demanding work environments and frequent use, indicated by its substantial 13 lb weight.
Heavy-Duty Performance: Optimized for professional use, offering reliable performance on a range of tubing materials.

Applications

The Imperial 37 Degree Large Size Rol-Air Flaring Tool is ideal for creating secure, leak-proof connections in a variety of demanding systems.

HVAC Systems: Essential for installing and repairing refrigeration and air conditioning lines that require precise 37-degree flares.
Hydraulic Systems: Used for flaring tubing in hydraulic lines where high-pressure integrity and exact angles are critical.
Aerospace Industry: Suitable for specialized aerospace applications requiring highly accurate and durable tubing connections.
Automotive Repair: Applicable for certain automotive fluid lines, ensuring reliable performance under pressure.
Industrial Piping: Facilitates robust tubing installations in various industrial settings.
Maintenance and Installation: A vital tool for technicians and professionals engaged in new installations, repairs, and system maintenance.

Benefits

Ensures Connection Integrity: Produces precise 37-degree flares consistently, reducing the risk of leaks and ensuring the reliability of high-pressure systems.
Increases Efficiency: The Rol-Air mechanism provides smooth operation, allowing users to create flares with less physical effort and in less time, particularly with larger tubing.
Extends Tool Lifespan: Its heavy-duty design and durable construction contribute to a longer service life, providing a reliable tool for professional use.
Reduces Rework: Consistent, high-quality flares minimize the need for adjustments or re-flaring, saving time and material costs.
Versatile Performance: Capable of handling a broad range of large tubing sizes and materials, making it a valuable asset for diverse projects.

Other products
Imperial Homepage
Model: 116371
Shipping Weight: 13lbs
Manufacturers Part #: 537-F
Manufactured by: Imperial
Also Known As: IM537-F, IMP537F