APR Bare Shaft Pump

APR Self Priming Direct Coupled (dc) series pumps for
Standard and Heavy Duty Applications

Standard Design Features

• Self priming operation eliminating the need to pre-fill the pump before operation as with centrifugals.
• Proven mechanical design provides excellent reliability and easy service maintenance.
• Major components manufactured from heavy section
• castings in materials to suit application.
• Shafts as standard - AS2837-316 stainless steel 590 - 620 MPa tensile (material options AS2837-431/UNS S31803 and AS1444 - 4140).
• Mechanical seal as standard to DIN 24960 rubber bellows type with seat options as per application.
• Open and closed impeller designs.
• Gaskets (insertion rubber), oil seals and "O" rings (nitrile, silicone or fluroelastomer rubber).
• Fasteners (zinc plated high tensile steel minimum 4.6 grade or AS - 316 grade stainless steel).
• Bearing assemblies - long life available in sealed for life, grease or oil lubricated to suit direct coupling or pulley drives.
• Direct coupled units fitted with heavy duty pin bush or flexible tyre coupling fully enclosed in an anti-scatter guard.
• Drive options - direct coupled to tropic proof electric motors or direct coupled to petrol or diesel engines.
• Mounting options - heavy duty base frames in materials to AS3679 - open direct mount, open skid type or skid type with fuel tank fitted depending on input drive selected.
• Trailer mounted options available.
• For heavy duty mine dewatering applications please refer to the Heavy duty 250-300mm self priming pump brochure.