The burner is the area of the blow lamp which dictates the size and heat of the flame. The burner is an interchangeable part and can vary in size and shape, to create different types of flame.
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There is a variety of swivel blow lamp with two burners. The extra burner increases the temperature of the flame.
Adjustment knob
The adjustment knob regulates the flow of the gas from ‘off’ to ‘full’. It also changes the size of the flame from pin point, which is a hot blue flame, to a soft yellow flame. To create a hot flame turn the flame control nozzle anti-clockwise, and to adjust to a cooler flame or turn off, turn it clockwise.
Pivot
The pivot is the joint connecting the burn tube to the blow lamp that the burn tube swivels around.
Piezo ignition
A piezo ignition enables the blow lamp to be lit without the use of an external flame.
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Some swivel blow lamps do not have a piezo ignition switch, so need to be lit manually. This is done by turning the blow lamp on by turning the flame control nozzle, allowing a small amount of gas to be produced, and placing a lit flame into the gas.
Coupling
The coupling on the blow lamp allows it to attach to a gas cannister. The swivel blow lamp can either have an EN417 (7/16″) coupling or a CGA 600 (1″ threaded) coupling.