NV5 Series union bonnet needle valves feature integrated forged bodies. The standard NV5 Series has a maximum working pressure of 6000 psig, while the high-pressure NV5H Series reaches up to 10000 psig.With a combined bonnet structure, the valves prevent accidental disassembly. They possess back-sealing function at fully open position. A wide selection of packing materials, port types and sizes is available.