Range: KC Series (Single Stage) : KC-2, 3, 4, 5, 6, 9, 12 KC Series (Two Stage) : KC-21, 31, 42, 51, 63, 72, 84, 93, 102 K 110 Series : K20 x 110, K30 x 110, K40 x 110, K60 x 110 AC 70 Series : AC-470, 570, 670, 770, 870, 1070, 1270, 1470, 1670 AC 80 Series : AC-480, 580, 680, 780, 880, 1080, 1280, 1480, 1680 , PC-2 FK-3, FK-4, GK-25, K-70, CLS-61 and CLS-81 RC Series : 11, 12, 12E