Smart Products USA designs and manufactures one-way check / pressure relief valves, liquid and air pumps, and related components. Products are compact and provide accurate, reliable flow control in advanced, low pressure, low flow systems. An ISO 9001:2015 Certified Company, Smart Products USA serves virtually any industry with the ability to customize components to meet specific application requirements. All valves are made to order by 9+ plastic body materials, 7+ o-ring materials, and opening pressure ranges from 0.09 - 20 PSI. Smart Products USA, Inc. also provides additional services such as custom designs, special testing, custom assemblies, and other value-added services.