DK-LOK® VBV Series Bleed Valves are designed to vent the signal line pressure to atmosphere before an instrument is removed, and to assist in calibration of control devices. These are typically used on instrumentation devices such as gauge root valves and multi-valve manifolds and are available in Carbon and Stainless Steel with pressure to 10,000 PSI.
DK-LOK® VPV Series Purge Valves are designed for manually bleeding, venting, or draining system fluids, and the cap is clamped to the valve body for safety in use, it is available in brass and stainless steel with pressure capability to 4,000 PSI.