Progressive Cavity Pump · Pumps
Heishin NE Series is a progressive-cavity pump. It is normally installed in sludge, sewage, waste-oil or other viscous-fluid systems where a steady positive-displacement flow is required. Its purpose is to move viscous, shear-sensitive or solids-bearing fluids through shipboard treatment and transfer systems. A helical rotor operating inside an elastomeric or otherwise matched stator forms progressing cavities, making rotor and stator condition central to performance. The exact model designation distinguishes rotor/stator size and installation configuration; capacity and pressure capability must be confirmed from the manufacturer documentation.
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What our service work and the manufacturer documentation say about keeping this model running.
Confirm free suction flow before starting and avoid dry running. Inspect the stator, rotor, joints, seals, coupling and drive for wear, leakage and abnormal temperature. Trend delivery, discharge pressure and motor load because increasing slip or restriction can indicate internal wear or blockage. Flush the pump when required by the handled medium and vessel procedure. Check elastomer compatibility with the actual fluid before replacing the stator. Refer to the manufacturer documentation for the exact wear criteria and assembly settings.
Keep the correct stator, shaft seals, joint or coupling service parts, gaskets and manufacturer-recommended rotor components for critical installations. Elastomer selection must match the handled medium. Confirm exact parts from the pump model and serial number.
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