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Non return valves and quick exhaust valves

Learn more about Non return valves and quick exhaust valves
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Selection Guide

Piloted non return valves HGL

The flow of the HGL non return valve is completely blocked in one direction. The blocked connection can be opened by a pneumatic control signal. With this valve the cylinder exhaust air can be blocked and the cylinder movement can be stopped for a short time.

Non return valves VBNF, pilot-operated

The VBNF non return valve is a valve with pilot-operated non return function and manual exhausting function. The pilot-operated non return function can be used for a brief temporary stop. When the pneumatic control signal is applied, the exhaust air can flow out. In the other case, the exhaust air is blocked and the cylinder movement is stopped in the position. Using the manual exhausting function, the actuator can be set to "energy free" (compressed air supply must be switched off beforehand).

Quick exhaust valves VBQF

The VBQF variants are quick exhaust valves that are mounted directly on the actuator. This is an installation-friendly solution – with this valve increased piston speeds can be achieved with single and double-acting cylinders in the return flow. The exhaust noise is reduced by the pneumatic muffler (PE).

Non return valves H, HA, HB

The H, HA, HB variants are non return valves which are optimally suited for free line installation. Non return valves block the flow in one direction. In the opposite direction, the air flows through without throttling.

Quick exhaust valves SE, SEU

The SE, SEU variants are quick exhaust valves that are mounted directly on the actuator. With this "sturdy" valve increased piston speeds can be achieved with single and double-acting cylinders in the return flow. The exhaust noise is reduced by the pneumatic muffler (sintered metal).