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Needle metering valves are used for processing low to high viscosity media.
The valve consists of two separated parts. This separation means that it is not possible for any leaking material to flow into the actuating air cylinder that might otherwise cause a malfunction of the valve.
The needle is sealed by means of an adjustable packing set. Speed of metering depends on the material viscosity and the material pressure.
Standard sizes in different optional types allow a shot size from 0.001 up to 1.00 cm3.
