TACMINA Direct-drive Diaphragm ( D model) Features High discharge precision, rigid structure and outstanding durability A wide range of liquid-end materials are available to meet all kinds of liquid injection needs. Up to six in-series pumps can be manufactured. ( also connectable to S series) Performance Specifications Model : RYD1-14 RYD2-14 RYD1-44 Max. discharge volume : 50Hz ( l/ min) RYD1-14 : 12 RYD2-14 : 2X12 RYD1-44 : 43 60Hz RYD1-14 : 14.4 RYD2-14 : 2X14.4 RYD1-44 : 52 Max. discharge pressure : RYD1-14 : 0, 5 ( MPa) RYD2-14 : 0, 5 RYD1-44 : 0, 3 Strokes per minute ( spm) : 50Hz RYD1-14 : 97 RYD2-14 : 97 RYD1-44 : 73 60Hz RYD1-14 : 117 RY D2-14 : 117 RYD1-44 : 88 Motor specifications : RYD1-14 : 0, 4 ( standard) RYD2-14 : 0, 75 50Hz/ 60Hz RYD1-44 : 1, 5