About This

Precise Pressure Control：Equipped with a fine adjustment knob and dual gauges for accurate control of nitrogen pressure during purging or testing.
Reliable Performance：Durable brass body resists corrosion and high pressure, ensuring stable operation in refrigeration and HVAC environments.
Easy Operation：Smooth pressure adjustment with stable nitrogen flow for consistent performance.
Versatile Applications：Suitable for various uses such as refrigeration system welding protection, pressure testing, nitrogen cleaning, and drying.