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1/2 inch Flare Nut

Brass High‑Quality HVAC & Gas Pipe Fitting

1/2 inch Flare Nut

Brass High‑Quality HVAC & Gas Pipe Fitting

1/2 inch Flare Nut

Widely used brass flare nut for secure copper tubing connections in HVAC, refrigeration, gas pipelines, and hydraulic lines.

The 1/2 inch Flare Nut (Brass) is one of the most widely used and essential fittings in air conditioning and refrigeration systems. Designed for secure copper tubing connections, this precision-engineered component ensures leak-proof performance, durability, and high-pressure resistance. Manufactured from premium-grade brass, it is ideal for applications where reliability and long service life are critical.

Key Features

Customization available
  • Metal‑to‑metal leak‑proof seal (no washers or rubber seals required)
  • Corrosion resistant against rust, moisture, and environmental conditions
  • Easy installation (no brazing/welding; use flaring tool and wrench)
  • High pressure resistance for HVAC and gas systems
  • Durable & long‑lasting under demanding conditions

Material

Forged Brass / Free Cutting Brass (IS 319 Grade)

Size

1/2 inch (Tube Outer Diameter - OD)

Thread

UNF (Unified Fine Thread)

Compatibility

Copper Tubing Systems

Applications

Where this product is commonly used — from standard assemblies to custom requirements.

HVACRefrigerationGas LinesHydraulic

Air Conditioning Systems

  • Widely used in split AC units (1 ton to 1.5 ton) to connect copper pipes between indoor and outdoor units.

Refrigeration Systems

  • Ideal for refrigerators and cold storage systems, ensuring secure gas flow through copper piping.

Gas Pipeline Connections

  • Suitable for PNG and LPG gas lines in both residential and industrial applications.
  • Provides safe and leak‑proof joints with proper 45° flared copper tubing.

Hydraulic Systems

  • Used in low to medium pressure hydraulic lines where reliable sealing is required.

Important Installation Notes

  • Proper tightening is essential to avoid gas leakage.
  • Ensure accurate thread quality and finishing—minor defects can lead to leakage in high‑pressure lines.
  • Always use the correct flaring tool to achieve a perfect 45° flare for best results.

Why Choose This Product?

Built for accurate fitment, consistent finishing, and reliable performance in real‑world applications.

Benefits

  • Precision manufacturing with strict quality control
  • Smooth finishing and accurate threading
  • Reliable performance in HVAC, refrigeration, and gas systems
  • Trusted quality for industrial and commercial use

Technical Specifications

Standard technical information. Custom specs are available on request.

Product Name

1/2" Flare Nut

Material

Forged Brass / Free Cutting Brass (IS 319 Grade)

Type

Flare Fitting (Tube Fitting)

Size

1/2 inch (Tube Outer Diameter - OD)

Thread Type

UNF (Unified Fine Thread)

Flare Angle

45° Standard

Compatibility

Copper Tubing Systems

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Need Custom Brass Components?

We can manufacture components as per your drawings and specifications. Contact us for a free quotation.

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