... workmanship 2.Widely applicable Jacket 4-Way Melt ValveAdvantages: (1). Jacket 4-Way Melt Valve can be used to ... pipeline and cut it directly. (2). When the valve is shut off, the feeding mouth of plunger ... meld flow inside the pipeline. (3). Exquisite workmanship (4). Widely applicableRematks: Special size, material, directing of the ... Vaccum; Actuating; Electric, Worm gear Jacket 4-Way Melt Valve