Low pressure pumps LPD
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Std Line Product Description Flow volume: 2 - 20 l/min Max differential pressure: 10 bar Applications: Circulation and lubrication

1. Applications 1.1 Functionality The LPD pumps are used for a number of different fluids: Lubrication oil, vegetable oil, hydraulic oil and other hydraulic fluids, polymers, emulsions and any non-aggressive fluid with sufficient lubricating properties. 1.2 Applications Typical applications are: - Lubrication of machines such as diesel engines, gears etc - Supply and circulation of fuel oil for diesel engines, separators and burners 1.3 Installation The pump is designed to be short coupled directly to an IEC 071 electric motor of flange type. By the angle bracket, the pump might be mounted...

2. Pump model code L P D Pump series LPD Size Power rotor diameter [mm] 015, 020 Generation Design generation 1 Material in pump body I = Cast iron Shaft seal design V = Carbon/Silicone Carbide seal with elastomers in Viton Mounting B = Flange mounting P = Internal pressure relief valve Special design Code group omitted for standard design (A-number)

3. Technical Data 3.1 Pressure Information Pressure relief valve The pump is equipped with an integral pressure relief valve with internal return, limiting the differential pressure across the pump and protecting the pump. Should the discharge line be blocked, the relief valve will be opened by the pressure. The valve is adjustable for different opening pressures. The value of the pressure limit can be set at the factory and should be adjusted at installation (see Installation & Start-up instruction for low-pressure pumps). The maximum pressure accumulation is 3 bar. The valve has a maximum...

3. Technical Data 3.3 Sound level Typical pump sound levels refer to free field conditions at a distance of 1 m from the pump. Noise of driver excluded in the quoted figures. The sound levels are measured at a discharge pressure of 5 bar, 2940 rpm and viscosity 40 cSt, according to ISO-3741. Size 015 020 Sound level dB [A] 50 52 3.4 Moment of Inertia Moment of intertia [10-6 kgm2] Size 015 020 Value 5 10 3.5 Fluid viscosity 1,4 – 600 cSt. For higher viscosity, contact IMO AB.

4. Design 4.1 Ball bearing Ball bearing for the pump is not needed since the forces are handled by the ball bearing of the motor. 4.2 Material & design Material idler Material seal Material elastomer Material pump Material rotor Cast iron Cast iron Carbon/Silicon carbide

5. Performance Guide Typical performance values at 5 bar Flow calculated at 26 cSt, power at 260 cSt.

Drawing remarks: (1) Bend wings of locking clamp(608) over screws(608B) Complete valve element O-ring Valve spindle Locking clamp Screw Pin Complete regulating nut Tension pin Valve piston Valve spring Screw Plate Complete power rotor Shaft Locking screw Shaft sleeve Idler rotor Pump body Screw Shaft seal Retaining ring Front cover O-ring Rear cover Gasket Notes: - Components with Pos No within parenthesis are parts of subassembly

Drawing remarks: (1) Name plate (2) Cover for set screw. Turn set screw clockwise to increase set pressure. (3) Outlet. ISO G3/4” (4) Inlet. ISO G1”

9. Pump Unit dimensions

Drawing remarks (1) Cover for set screw. Turn set screw clockwise to increase set pressure (2) Space for dismantling (3) Inlet. ISO G1” (4) Outlet. ISO G3/4” *) Dimensions and weight are approximate values for Brook Crompton motors 9. Pump Unit dimensions

10. Accessories A bare shaft pump (Fig. 1) can be ordered with the accessories in fig. 2-3. Fig. 1 Bare shaft pump Spare parts for these pumps are easily available from stock. For detailed information and know-how about service, see the Maintenance & Service Instruction for LPD pumps or contact IMO AB.

IMO AB: P.O. Box 42090, SE 126 14 Stockholm, Sweden. Telephone: +46 8 50 622 800 For latest updates, check: www.imo.se