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Course Overview

This is a theoretical and practical skills test course. It would introduce the student to the safety aspects and application of brazing allowing them to appreciate the concept of best practice of reducing refrigerant leakage. The student would braze a test piece in the workshop.

Course Features




16 hours

next period

Jan - Mar 2019




theory & practical

Grantley N. Parris


Copper Tubing

  • Introduction
  • Soft Drawn
  • Hard Drawn
  • Cutting Copper Tubing
  • Bending Coper Tubing
  • Flared Connections
  • Swaged Joint
  • Fittings

Oxy - Acetylene Equipment

  • Cylinder Safety Precautions
  • Oxygen
  • Gas Pressure Regulators
  • Backfires & Flashbacks
  • Setting the Gas Pressures
  • Lighting the Blowpipe
  • The Neutral Flame
  • The Carburizing Flame
  • The Oxidising Flame
  • Brazing Alloys

Brazing Techniques

  • Cutting & Fitting
  • Cleaning
  • Proper Fluxing
  • Purging System with Dry Nitrogen
  • Heating and Flowing the Alloy
  • Cleaning After Brazing
  • Pressure Testing