Profile: OSHA Valve, LLC provides a complete line of air compressor products. We offer OSHA valves, rotary vanes, separators, rotary seals and repair kits. Our OSHA safety check valves are designed to resist tampering and removal of protective working parts. We are a source of rotary air compressor vanes for original equipment manufacturers and the construction & industrial marketplace. We offer a wide range of air/oil separators.