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Ideal for HVAC and refrigeration brazing or purging applications. Brazing without nitrogen causes internal oxidation scale that can flake off and damage the parts inside a system. Brazing with nitrogen flowing through the system displaces oxygen and eliminates internal scale.
- Visually confirms gas is flowing through system while brazing
- Saves gas by delivering precise flow of nitrogen into system
- Solid brass body and fittings with visible round chromium steel ball
- Inlet and outlet connections use standard 1/4" flare (7/16"-20) fittings
- Set regulator to 50 PSI and adjust flowmeter range from 0-75 SCFH
- Auto-Reset safety protects from regulator over-pressure delivery