Alva Engineers

The strongest hydraulic core drill unit for drilling up to 300 mm with a drill rig. Hydraulic hose set included.Drill rig order no. 9 4101 0090Energy source: HydraulicOperating pressure: 140 barDrilling capacity with drill rig: up to dia. 300 mmUnderwater operationATEX: II2GExhIIBT5Gb

Technical DataORDER NO. 2 1327 0010ATEX Specification II2GExhIIBT5GbEnergy source HydraulicOperating pressure 140 barDrill bit connection 1 1/4" UNC male / R1/2" female mmMax. drill bit dia. 300.00 mmApplication with drill rigGear stages 3Speed stages 380/900/1,800 rpmTorque stages 72/45/25 NmPower 3.10 kWVolume flow 22-45 l/minCentering diameter 60.00 mmMachine length 490.00 mmAnschluss R3/4"male ConnectionHydraulic hose connection Flat-Star A250-OM/OF-1/2”BSPCooling water connection Gardena SystemHydraulic medium Hydraulic oilHydraulic circuit type oopen circuitOil filtration class ISO-level of purity 20/18/13Temperature of oil -34 up to +82 °CViscosity of oil >13 centistokesNoise level LpA 80.0 dB(A)Noise level LWA 91.0 dB(A)Vibration level <2.5 m/s²Weight 9.0 kgFields of application / branch Energy and pipeline construction; Plant and mechanical construction; Underwater Work