The BV52 Ball Valve series is a 5-way switching valve with a maximum operating pressure of 2500 psi (172bar). The BV52 has an operating temperature 50F-150F (10C-65C). It's handle indicates flow direction and has a female NPT end connection. The gas enters through the bottom port and exits in one of the four ports. Every valve is factory tested for leakage at 1000 psi adjust packing nut when working pressure is higher that 1000 psi to prevent leakage.