Y strainer is Y-shaped, one end is to make water and other fluids pass through, one end is sediment waste and impurities, the function of Y strainer is to remove impurities in water, to protect the normal operation of valves and equipment, the water to be treated by the filter is The water inlet enters the body, and impurities in the water are deposited on the stainless steel filter screen, thereby generating a pressure difference.