ABG8820 paver balance beam controller.The flter element removes a small amount of solid particles in the liquid or air, which can protect the normal operation of the equipment or the cleanliness of the air. When the fluid enters the filter element with a certain filter screen, its impurities are blocked, and the clean fluid flows out through the filter element. SANY SAP120CA paver balance beam.ABG9820 paver balance beam controller.SANY SMP100C paver balance beam.