This Gilson 819 Injection Valve Actuator is in real good condition and guaranteed to functions 100%. It came from a local lab that was upgrading equipment and we can accept pay pal or your credit card. Please contact me with any questions. The 819 Injection Module enables you to inject samples onto Gilson's 215 Liquid Handler. The module contains a high-pressure, two-position switching valve that can also be used for fraction collection. It is an effective way to collect fractions when the flow rate is higher than 20 mL/min. Carryover is less than 0.01% Ideal for analytical to preparative injections Make-before-break rotor seal design prevents pressure spikes from injection when operating at high flow rates Track Page Views With Auctiva's FREE Counter