ETK Number: S-HYD-HSO-HAW-16415   Manufacturer: Hawe Hydraulics   Model: Shut-off valves, series AVT and AVM         Price: Request a Quote   Comment: The throttle and shut-off valves types AVT, AV, and CAV, which can be completely blocked, are available in various sizes and belong to the flow valve group. Versions AV...E and CAV are screw-in valves. They generate a pressure drop between inlet a   Description: The throttles type AV.. restrict the flow via an annular gap i.e. a cone enters a valve seat hole (needle valve). Throttles type CAV create back-pressure by means of a slot with a constant width where the area of opening varies proportionally with the distance of the adjustment travel. Valves using this throttling principle are much less sensitive to contamination. Additional versions are available with an integrated check valve to enable Conical seated shut-off valves for pipes to pressure chambers in general, to pressure gauges, pressure switch units, control lines, drain lines, connecting lines etc. The allow the drainage (decompression) of pressurized volumes and also switching (pressure build-up) e.g. in the test rig etc. The functional parts are incorporated in the T-housing of standard pipe connections and allow direct pipe connection by way of an cutting ring and union nut. Valve seats and valve cones are hardened and ground, is electro-galvanized. This results in precise blocking of the opening when the valve is closes without the risk of de maging the cone (pressing in when closed too forcibly) and good protection against corrosion of the outside surfaces.

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