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| | Innovatively Small and Highly Fun ctional: Miniature Isolation Valves | |
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| | Latching solenoid type also available. Referto P9 | |
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| | Miniature Isolation Valves | | |
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| | Pole-piece Spnng Coil Punger | Our solenoid valve consists of two sections; one is the valve part made of highly Inert plastics lite PTFE or PEEK, which opens and closes a flow path. The other Is the actuator made of a coll and metallic parts, driving the valve part. In order to preserve the purity of the fluid, a diaphragm Is Installed between the two sections in our isolation valves. The diaphragm prevents the fluid from flowing into the actuator and protects the metallic parts from being corroded. Also, metal dust generated in the actuator does not contaminate the fluid. This structure is ideal for analytical and diagnostic applications which are sensitive to particles. It is also suitable for handling acids and chemicals which erode metal. By reducing the size of these isolation valves, we have been able to reduce the dead volume, improve the control of the pumping volume, and reduce the installation area, thereby improving accuracy and avoiding wasting chemicals and solvents. | The diaphragm produces a pumping effect on a fluid as the valve opens and closes. As some valve models pump several micro liters of fluid at one time, the pumping volume forms negative factors in metering an accurate fluid volume, and also in preventing fluid from dripping from a dispensing nozzle. Our miniature solenoid valves have a remarkably small pumping volume, particularly the EXAK valve which has a pumping volume 100 times lower than our standard valves. This is achieved due to a special internal structure designed to reduce the pumping volume. | |
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