Dairy Equipment, Industrial Valves, Adapters; Chemical Management Services; Controls and Controllers; Couplers and Couplings; Dairy Equipment; Dispensers; Elbows; Fluidic Devices; Laboratory Equipment; Medical Equipment; Packaging Materials; Process Machinery; Pumps; Restrictors; Valves; Check Valves: Made to Order. Design your own valve with 9+ plastic body material options, 7+ o ring options and opening pressure ranges from 0.09 to 20 opening PSI ...