This test setup allowed the customer to fully evaluate the induction heating parameters and induction heater needed to braze all 4 different piping assemblies.

The successful and efficient usage of induction brazing for different piping assemblies has been demonstrated by UltraFlex Power Technologies, per request of a customer from the Tube & Pipe industry. The test scenario had been set up so the customer would be able to evaluate the heating process parameters for several different pipe brazing setups, including the time needed, power to be applied, profile, etc, as well as to identify the most appropriate induction heater equipment he would need.

The 4 samples that were provided for brazing were a 16mm OD x 1 mm W/T stainless steel coupler, an 8 mm OD x 1 mm W/T brass coupler, a 16 mm OD x 1.5 mm W/T brass coupler, and a 57 mm OD x 7.5 mm W/T brass coupler. An UltraFlex induction heater from the UltraFlex W series was considered most appropriate for these brazing scenarios. UltraHeat W are advanced, cost-effective 5-15 kW Induction Heaters utilizing the latest switching power supply technology. They feature adaptive digital phase control providing very efficient operation in a wide frequency range.
To perform the brazing for the first 3 samples, a UBraze HandHeld gun along with an open induction coil had been used. With power applied between 7.3 kW and 7.6 kW and target temperature of 700-750°C, it took mere 8 to 11 seconds to complete the brazing for each of those 3 different samples. The largest brass coupler had been brazed with a static induction coil, with power of 8.8 kW applied. It took 2 minutes to reach the target temperature of 629°C and successfully accomplish the brazing for that assembly.

This test setup allowed the customer to fully evaluate the heating parameters and induction heater needed to braze all 4 different piping assemblies. The total time to braze all 4 samples would be less than 5 minutes, which would allow the customer to substantially increase his productivity rates. The faster heat cycles would ensure a very energy-efficient and hence, cost-efficient process. The customer would also be able to achieve consistent and repeatable results that do not depend on the operator skills. Finally, he would be able to ensure a quality, safe working place due to the lack of open flame, smoke and noxious emissions.

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About UltraFlex Power Technologies:
UltraFlex Power Technologies (ultraflexpower.com) offers the most advanced and innovative digitally controlled induction heating equipment in the industry. Its compact modular and flexible systems are used for a wide variety of induction heating, casting and melting applications.