Single row but the line oil separator oil discharge pressure directly from the main oil pipeline oil
1.The lubrication oil enter into the main oil tubing and push the valve core, so that the oil inlet and the oil reservoir connected. 2.Under the mail line pressure, piston pushes the spring. The grease is discharged from the drain and delivered to the specified lubrication points. 3.When the main oil pressure relief, the spring pushes the plunger, and the valve core back to the original position.
Applicable to grease：NLGL-000#、00#、0#