Dual plate check valves and non-lubricated plug valves. Goodwin check valves are available in 5 basic body styles: wafer, flanged, solid lug, buttweld end, hub end, and in an extensive range of sizes, pressure classes and materials.
Its principal features are those of it being retainer less as standard, i.e. no body plugs, and its patented “slim” plate design giving improved flow efficiencies and superior metal-to-metal seating shut-off.