Rexroth Pump, New, A2VK12MAOR4G0PE1-SO2. A2VK12SO2 Chemical Metering Pump. Size 12, Open Circuit, Left Hand Hand wheel, Clockwise Rotation. Without Pressure Relief Valve. See P/N R902004079 for pump with Pressure Relief Valve. Typical lead time 6-7 weeks. Contact us for current pricing!