Egr Modules, Valves, Coolers
The component that reduces emissions through gas recirculation- 1 August 2020
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- 1 July 2020
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The pop-off valve is also known as air recirculation valve a or dump valve . It was born to eliminate the water hammer due to the sudden increase in pressure in the duct between the compressor and the throttle body when, with the engine under load and with turbo at high revs, the accelerator is removed or when the butterfly on the throttle body is closed . The air from the delivery duct after the compressor is recirculated in suction before the latter.
The free discharge solutions are only a free interpretation not supported by any technical reason. Of course the recirculated pop off loses the noise that many people enjoy.
For this product category SAITO proposes the pop-off valve that is mounted on the turbo 49373-03012 (OE 55243431.01) for Fiat 500, Panda, Punto, Lancia Ypsilon, Alfa Mito with Fiat SGE engine –
Garrett Performance External Wastegates GVW
Uncompromising performance!- 1 April 2016
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Wastegate Valves / Actuators
Allows turbochargers to run fast at low speeds, stabilizing the boost pressure- 1 March 2014
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The waste gate valve was created to make the turbo run faster at low revs with a small size turbine housing, without reaching too high pressures at high rpm. In fact, a small turbine housing allows the turbo to spin sharply from the lower engine revs. Obviously when the engine expels a considerable amount of gas at the top, the narrow turbine housing becomes a bottleneck that prevents the engine from going up and down and at the same time, it makes the shaft wheel to rotate too hard. The problem is solved by providing the turbine housing with the waste gate valve, controlled by an actuator. The actuator feels the supercharging pressure through a tube connected to the compressor housing and it moves the waste gate plate opening an air inlet before the compressor wheel.
The gases and the power generated are sent directly to the evacuation so they are not released to the