Proco Products, Inc. is a global leader in the design and supply of piping/ducting system expansion joints and rubber check valves.

They offer the most complete line of rubber and molded PTFE expansion joints, fabric fan connectors, braided flexible hose assemblies and low torque sealing gaskets to the piping industry.
Proco Products, Inc. also offers Proflex rubber check valves manufactured completely of rubber with top quality fungicide and barnacle resistant rubber.