Construction machinery Boom pumps 70 ~ 50M JJRZ70-6.18HP JJRZ70-6.18HP Highest boom in JUNJIN ! Type RZ TYPE Spec Download SPECIFICATION Delivery Line DN 125 / 5" DN 125 / 5" Proportional control Wear plate / Ring Tungsten Carbide Water Pump 20 Bar Water Tank 500 Liter Auto Lubrication Hyd. grease, Hopper Output Rod 177 ㎥/h / Piston 120 ㎥/h Pressure Rod 87 Bar / Piston 130 Bar Delivery Cylinder (Hard-chromed) Φ230 mm Stroke Length 2100 mm S - Valve S2018 System Pressure 350 Bar Switching Type Hydraulic Hopper Capacity 600 Liter Number of booms 6 Sections Folding Type R & Z Vertical Height 70 m Bar Horizontal Reach 65 m Unfolding height 16.6 m End-Hose Length 4.0 m DIMENSIONS & DIAGRAM