Valve unit for releasing or blocking the flow through the medium along the hollow conduit, and its use in metering system for discharging by metering the medium, and for discharging by metered medium how

摘要

Valve unit for releasing or blocking the flow-through along the hollow conduit of the medium flowing along the (3) a hollow conduit under pressure (3), and the preferred use of the valve unit in the dosing system, and cartridges - Method for discharging by metered medium from the needle structure is described, the cartridge - cartridge needle structure, is bound to the needle structure through the hollow conduit of one (3) of at least has a cartridge end which is formed open and in the cartridge end, the pressure means can be moved for release in the direction of the needle structure through a pressure medium which is provided in the cartridge I'm over the load. [Selection Figure Figure 3