The Advantages of the Discus Versus Reed Valve Technology
The key difference between Discus and standard reciprocating technologies available on the market lies in the valve plate design. The Discus valve plate allows gas to flow into the cylinders with a minimum heat gain while suction cavities are designed to smoothly route the gas to minimize losses. These effects lead to superior capacity and efficiency of Discus compressors compared to conventional “cost efficient” reed type compressors, giving the customer a choice of efficiency.

The Discus technology takes its name from the conical discharge valve. When closed, the Discus “puck” is retained flush with the valve plate reducing the clearance volume to an absolute minimum when the piston is at the top of the cylinder. With a conventional
machine, the suction valve reeds prevent the piston coming close to the top of the cylinder and there is an additional “dead volume” in the discharge ports in the valve plate.