Description Cylinder cup - vacuum operated Used on 7750-0031-168 Surge secondary drain clamp ferrules 7750-0031-482 Surge secondary drain Surge ferrules 7750-0027-055 Vacuum Wash Control auto milk wash valves; 7750-0025-740 7750-0023-244 7750-0025-948 other Surge vacuum operated devices Related Items; 7750-0227-652E - V-packing seal - see link below 7750-0227-701 - Spring for Cylinder cup 7750-0027-651 Piston Made in USA Original Parts by GEA Farm Technologies Inc updated 8/26