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Valve designed to extract air from pipes, large filters, tanks or any other similar equipment which must work without the presence of air. An exclusive double seal system, one for kinetic performance and another for automatic control, together with its low density float, makes this valve completely watertight as the pipe is being pressurized or emptied, no matter how slowly these operations are carried out. Its new inner design achieves its float to resist the air stream even when it's faster than sound in the outlet. The valve will only shut by means of water. Its outlet elbow features an inner filter to prevent outter objects to enter the valve. PERFORMANCE The valve performs three functions: It extracts the air from pipes es they fill. This stage ends as water reaches the inside of the valve, raising the float and closing the main discharge outlet. It exerts continuous automatic control, eliminating any residual pocket of air that might reach the valve, as when it happens, the float drops, partially or totally opening the discharge outlet. Water pressure will not prevent this function from being carried out. La presión del agua no impide esta función. It prevents pipe collapse, because, at the least decrease in pressure, the float drops, completely opening the main seal, allowing outside air to enter the pipe. |
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