We use best forging quality brass rods to meet with the specific application of our clients. Manufactured with forging and machining on CNC machines, Brazed with Silver brazing rod as per the specifications of our customers. Tested on 600 PSI pressure, Working refrigerant: - R-22, R-134A, R-410A and R-407C, Air tightness pressure 3.0 MPa. We can also be designed and produced according to our customer specifications.