Water-tight motor pump, especially immersion pump - uses standard motor encased in sheet metal sleeve with plug sealing shaft passage and cable lead-through cover
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Intake for sewage pump with solids shredder - has spiral tapering passage round pump inlet accelerating sewage and generating rotary motion
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Pump for handling domestic sewage - has disc with cutting blades arranged in front of pump inlet
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Arrangement for locking adjustable pitch propeller blades - suitable for water treatment and industrial applications
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Suspension for an immersed motor agitator
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Propeller for stirring, mixing or pumping fluids - comprises blades fitted with pipes via which gas or powder can be mixed with fluid being agitated
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Waste water pumping system - has non-return valves in outlet pipe to reduce pumping energy requirements
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Liquid-tight, rapid-action cable coupling
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METHOD FOR AVOIDING BASIC WHIRLS AT PUMP INLETS
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Ventilation valve for cooling chamber - has three superimposed valve chambers with valve seatings and balls
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Centrifugal pump chamber mfg. method - involves using forming die to form tube section into non-symmetrical chamber
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DEVICE FOR THE AUTOMATIC VENTILATION OF A REFRIGERATION CHAMBER
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Plastics tank beneath corridors and halls - connects with stone layer with top edge of its opening inwardly bent
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Electric motor, especially a submersible motor
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Rotational casting of spherical and hemispherical plastic tanks - has two=part cylindrical tool section inserted between two hemispherical tool ends used for spherical tanks
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Submersible pump
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DEVICE FOR CONNECTING A TUBE TO A LIQUID, WITH A FLANGE SLEEVE OR FLANGE PIPE
