Y type filter is to remove a small amount of solid particles in the liquid of small equipment, can the normal work of the protection device, when the fluid is placed into a certain size of filter cartridge, the impurity is blocked, and clean the filtrate by filter outlet, when need to wash, just remove the removable cartridge, after processing to reload the can, therefore, is very convenient in operation and maintenance.Y type filter and dirt separator, filter, valve, is indispensable to medium pipeline system, a device which is used to filter medium mechanical impurity in the sewage can be of rust, sand, and a small amount of solid particles in the liquid filter to protect equipment such as piping accessories from wear and congestion, can the normal work of the protection equipment.