엘케이베큠

    ProductsLKH Series

    LKH Series

    LKH Series

    Dry Vacuum Pump

    Structural Overview

    1 Suction
    2 Discharge
    3 Screw
    4 Casing
    5 Seals
    6 Bearings
    7 Timing Gears
    8 Shaft
    9 Cooling Water Jacket

    Characteristics

    • Compact pump design
    • Easy to move and install portable type
    • Water-cooled further lowered by the use of motor noise
    • Simple structure and ease of operation
    • Contamination-free environment friendly products
    • A variety of process applications and high reliability

    Advantages

    Ultimate Vacuum
    • Optimized clearance and continuous compression ensures 0.0075torr vacuum degree with a single pump
    Corrosion Resistance
    • Coating material provides excellent corrosion resistance
    • Process specific coatings or platings available
    • Enhanced Corrosion Resistance by the gas ballast
    Cooling Effect
    • Hydrodynamic spiral jacket design ensures Excellent
    • heat exchange efficiency
    • Maintains optimum pump-inside temperature
    Utility Saving
    • 30% power saving by the variable pitch screw design
    • No extra cooling gas required
    Gear Oil Coolant Jacket
    • Maintains low oil temperature
    • Oil leakage prevention by low temperature and low pressure
    • Maintaining long life time
    Gas ballast nozzle installation
    • Prevent condensation of corrosive vapor
    • Reducing explosive atmosphere

    Benefits

    • No Contamination of Process Stream
    • Deeper Vacuum and More Flexible Operation
    • No Effluent, No Pollution, No Waste Disposal Costs
    • Lower Maintenance Costs
    • Immediate Solvent Recovery at Pump Exhaust
    • Lower Total Cost of Ownership - Lower Utility Costs
    • No variation in vacuum resulting from the changing of seasons and Utility

    Technical Data

    Model   LKH150
    Displacement(50/60Hz) m3/hr 110/130
    Ultimate pressure    
    without Gas Ballast torr 7.5 X 10-3
    with Gas Ballast torr 0.01
    Motor power(50/60Hz)    
    Power Requirement kW 4
    Power Consumption kW 1.8/3.0
    Rotation(50Hz/60Hz) rpm 2,900/3,500
    Process Connection    
    Inlet Connection KF Flange(JIS/ASME) NW40 (40A / 1 ½”)
    Outlet Connection KF Flange(JIS/ASME) NW40 (40A / 1 ½”)
    Cooling water    
    Max. Supply Pressure Barg 7
    Pressure Drop Bar 1
    Flow Rate Liter/min 5~10
    Temperature 5~35
    Connection PT(JIS) ½”(15A)
    Lubricant    
    Gear Oil Type   Shell T-68
    Bearing Grease Type   Mobil 1
    Seal Type    
    High Vacuum(HV) Seal   Single Lip Seal + Single Lip Seal
    Low Vacuum(LV) Seal   Lip Seal & Mechanical Seal + Gas Purge Seal
    Noise Level(50/60Hz) dB 75/78
    Vibration (max.) mm/s 1.8 (4.5)
    Weight(Bare Shaft) kg 230

    Dimensions

    Pumping Capacity

    Pumping Capacity graph