Flowserve supplies Slimseal wafer-type butterfly valves manufactured by Serck Audco. The valves feature an integrally-bonded elastomer liner, and are available with a flangeless or lugged body, in sizes from 50-600mm, and with a pressure rating of up to PN 16.

Pentair distributes Keystone-brand wafer-style resilient seated butterfly valves available in sizes ranging from 2" to 48". The various wafer valves feature working pressure of 150 psi up to 250 psi, and working temperature from -40 up to 350F.

Bray International manufactures wafer-style butterfly valves including resilient seated, double offset HP, and triple offset metal types. The valves are available in 1" -120", 1-1/2"-60", and 3"-60" sizes depending on model. The resilient seated butterfly valves feature maximum operating pressure of 250 psi. The company also produces Check Rite wafer check valves in 1"-60" sizes.

Cameron distributes DEMCO wafer-style butterfly valves in 2" to 36" sizes. The valves are used in a number of industries including chemical and petrochemical, agriculture, oil and gas drilling, food and beverage, water and wastewater, cooling towers, power, mining and materials, dry bulk handling, and marine and government.

FMC Technologies manufactured Weco wafer-style butterfly valves that can handle working pressures up to 175 psi. Available in 2" to 24" sizes and with short/long necks and stem extensions, the valves feature a low profile disc design.

Warren Alloy Valve & Fitting Co. distributes industrial wafer check valves in 1-1/2" - 24" sizes. The valves are constructed of 316 stainless steel, 304 stainless steel, Alloy 20, or special metals, and feature pressure of ASME Class 150.