1.3 Point Position Dial: This nitrogen purge tool features a quick and simple 3 point position dial for rapid switching between purging, brazing, and shut off settings, ensuring correct nitrogen flow rate for each setting 2.1/4 Inch Port: Quickly attaches to the outlet of standard nitrogen pressure regulator. Setting the purge tool to off and connecting a standard 1/4 inch refrigerating fluid hose, to complete flushing and brazing within seconds 3. Product Usage: Facilitates nitrogen flow smoothly into pipe during purging and brazing processes, removing refrigerants and debris, prevent oxidation and equipment failure, maintaining pipeline cleanliness 4. Stable and Accurate: With an inlet pressure of 50psi, a maximum pressure of 200psi, it offers accurate control over nitrogen flow, achieving more stable purging and brazing effects, minimizing gas wastage 5. For HVAC Equipment: Designed to meet the demands of rigorous HVAC maintenance, ensuring a more consistent running that safeguards against system failures, enhancing overall efficiency and Type:Valves Item Type: Nitrogen Purge Tool Pressure: 50 PSI Application: Nitrogen regulator name:Nitrogen Purge Tool How to Use:Use in conjunction with HVAC equipment Colour:Orange Material:Brass Package Contents: 1 x regulating control valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.