Profile: Robert H Wager Co. Inc. is a manufacturer of valves and deck equipment for the marine industry and smoke opacity meters used for monitoring diesel emissions. We offer a full range of rugged vent valves for marine application. Our deck line includes a large variety of deck drains and sounding tubes for both the work boat industry and the yachting industry. Our smoke opacity meter includes full flow, partial flow and in-line systems, as well as emissions monitoring for large ships and locomotives.