The Venturi effect, as gasoline passes by the bleeder poppet it creates a pressure delta. This delta causes air to rush into the gasoline. This is why if you see gasoline being dispensed it is aerated, not just a steady flow of gasoline. This Venturi effect creates a vacuum in the nozzle to keep the valve open for fuel dispensing
Me gustaría saber cómo funciona la válvula de venteo OPW
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Quisiera saber porque se presuriza y de presuriza una pistola OPW y porque no vota al llenar un tanque
but why does the air flow through tube?
The Venturi effect, as gasoline passes by the bleeder poppet it creates a pressure delta. This delta causes air to rush into the gasoline. This is why if you see gasoline being dispensed it is aerated, not just a steady flow of gasoline. This Venturi effect creates a vacuum in the nozzle to keep the valve open for fuel dispensing
Why gas pump keeps shutting off and gas won't flow?