Proco Products, Inc. is the global leader in the design and supply of expansion joints for piping/ducting systems. For over 35 years, Proco has prided themselves on offering the most complete line of products to suit a variety of applications. Although our primary focus is rubber and molded PTFE expansion joints for industrial pumps, piping systems and ducting systems, Proco also offers rubber duckbill check valves, braided flexible hose assemblies, low torque sealing gaskets, and pipe penetration seals. Proco Products, Inc. operates worldwide through a global agent and distribution network providing a wide range of products and services. Quality and service will always be Proco’s highest priority.