PTFE Y-lined filter is a small equipment that removes a small amount of solid particles in the liquid, can protect the normal operation of the equipment, when the fluid enters the filter cartridge with a certain specification of the filter screen, its impurities are blocked, and the clean filtrate is discharged by the filter outlet, when it needs to be cleaned, as long as the removable filter cartridge is taken out, reloaded after treatment, therefore, it is easy to use and maintain. Y-type filter, also known as dirt remover, filter valve, is a device of the pipeline system of the conveying medium, its function is to filter the mechanical impurities in the medium, can filter the rust, sand, a small amount of solid particles in the liquid in the sewage to protect the fittings on the equipment pipeline from wear and blockage, can protect the normal operation of the equipment, when the fluid enters the filter cartridge with a certain specification of the filter screen, its impurities are blocked, and the clean filtrate is discharged by the filter outlet, when it needs to be cleaned, as long as the detachable filter cartridge is taken out, It is reloaded after handling, so it is easy to use and maintain.