Electropneumatic external exhaust pop off valve for turbo diesel and turbo petrol engines. (various diameters in description) IEK

Unlike the pneumatically controlled valve, this model represents the evolution both in terms of the sound (the puff of air) and the speed of operation. The air part is always the same as the previous model. The important change is given by the drive system. While previously in our valve and in all existing valves on the market the control was pneumatic with the relative delays, now it is electric. Therefore zero delay. With a consequent increase in the quantity of air to be discharged and consequently a high level of noise. Furthermore, opening and closing follow the driving style exactly, without imposing unpleasant and inappropriate delay situations.

For completeness of information, know that when we talk about electric or pneumatic valves we always mean valves with the exact same functions. The differences concern only and exclusively the opening command. In the electric one there is a magnet which, when excited by the passage of current, pulls a shutter which in turn opens an orifice through which the air to be discharged will then pass.

The exhaust can be opened (puff valve) or closed with recirculation (silent valve)

In pneumatics, the opening and closing command is given by a small tube which must carry pressure and depression to fill or empty a chamber, with either a membrane or a piston inside. In the pressure phase, the force applied to the face of the piston or diaphragm keeps it pushed downwards, closing the exhaust orifice. While in the depression phase, a negative force will be applied to the face of the piston or diaphragm which will pull upwards, thus freeing the orifice below and discharging air. Having said this, anyone will be able to understand for themselves that the speed of electrical execution is significantly higher than that of air.

Available with various diameter connections:
Ø40 – Ø45 – Ø50 – Ø55 – Ø60 – Ø65

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