Needle & Regulator ValvesA valve is a device that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways. Valves are technically valves fittings, but are usually discussed as a separate category. VB16Pressure Rating up to 6,000 psig Catalog 2D / 3D Spec. Working Pressure : 6,000psig Compact design Vee Tip / Soft Seat Stainless Steel DK-Lok 1/4 to 1/2 in. OD Pipe thread 1/4 to 3/4 in.Brief Description Two-piece chevron PFA stem packing design with compensating spring packing. Improves sealing integrity. High pressure valve but with compact design.