Profile: Bertrem Valve Co., Inc. is a distributor of industrial products and services. Our product line includes pumps, valve plugging and tube pressure testing equipments. Our brands include Bertrem Valve™, Copes Vulvan™, Vaughan Pump™, Topworks-Go Switches™, Xomox™, Air-Vac™, Barksdale™, Royce Technologies™ and Jesco-Lutz™. We offer electric heat trace systems for ordinary and hazardous industrial applications.