Flare fittings

Flare fittings

Flare Fittings

SAE 45°/ JIC 37° Flare Fittings

ATFIT Flare Fittings are an economical and reliable choice for a metal-to-metal seal that resists mechanical pull-out. Our fittings meet the stringent requirements of SAE J512 and SAE J513 standards.

1. Assembly

  • Cut the tubing squarely and clean the end thoroughly to remove burrs.
  • Place the nut onto the tube with the threaded end facing the tube end.
  • Use a flaring tool to create a 45° flare at the tube end.
  • Clamp the flared tube end between the nut and the fitting body. Tighten the nut finger-tight, then secure it with a wrench for an additional 1/4 to 1/2 turn to ensure a leak-proof metal-to-metal seal.
  • Flare fittings are easy to disassemble and can be reassembled repeatedly, maintaining a leak-proof connection.

2. Material Specification

  • Free cutting IS-319/CZ-121
  • CA360 Brass for bar stock fittings
  • CA377 Brass for forged fittings
  • Lead-free, DZR, bronze, and other special copper alloys as per customer specifications.

3. Threads

  • UNFE, BSPT, BSP, NPT, and any special thread as per customer specifications.

4. Pressure

  • Working pressure up to 2000 PSI, depending on the tubing used.

5. Temperature Range:

  • -65°F to +250°F (-53°C to 121°C) at maximum operating pressure (refer to tubing temperature range).

6. Vibration Resistance

  • Good vibration resistance; use long nuts for greater vibration resistance.

7. Finish and Coating

  • Natural brass
  • Nickel-plated
  • Tin-plated
  • Special plating as per customer requirements

8. Standards

  • Conforms to SAE, ASA, and ASME specifications.

9. Applications

  • Copper, brass, aluminium, and steel tubes that can be flared.
Flare-Short-Nut

Flare Short Nut

Flare Long Nut

Flare Long Nut

Flare Cap Nut

Flare Cap Nut

Flare End Plug

Flare End Plug

Flare Male Connector

Flare Male Connector

Flare-Union

Flare Union

Flare Female Adaptor

Flare Female Adapter

90° Flare Male Elbow

90° Flare Union Elbow

90° Flare Union Elbow

90° Flare Female Elbow

90° Flare Female Elbow

Flare Tee Union

Flare Tee Union

Flare Reducing Tee

Flare Reducing Tee

Flare Male Branch Tee

Flare Male Branch Tee

Flare 4-Way Union

Flare 4-Way Union

Flare Male Run Tee

Flare Male Run Tee

Flare Reducing Union

Flare Reducing Union

90° Flare Reducing Elbow

90° Flare Reducing Elbow

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