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APR Series - Self Priming Bare Shaft Pumps, Standard Duty

Manufactured in Australia, the Stalker Pumps range of self priming pumps are industry leading self priming pumps. Available in a range of sizes and materials, they are a proven pump that also offers easy maintenance.

The Stalker Pumps self priming range is also available in close coupled and long coupled configurations, engine and electric driven, as well as base and trailer mounted options.

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APR Series - Self Priming Bare Shaft Pumps, Standard Duty
  • Features
  • Tech Specs
  • Self priming eliminates the need to pre-fill the pump before operation as with centrifugals.
  • The proven mechanical design provides excellent reliability and easy service maintenance.
  • The primary design application is for dewatering.
  • Major components manufactured from heavy section castings in materials to suit application.
  • Highly durable rotating element designed using AS2837-316 stainless steel for shafts, sealed for life, regreaseable or oil fed long life bearings, DIN 24960 rubber bellows type mechanical seals with a variety of seat face options, both open and closed impeller designs available.
  • Fasteners – 8.8 grade high tensile zinc coated and stainless steel 316 grade.
  • Direct coupled units fitted with heavy duty pin bush or flexible tyre coupling fully enclosed in an anti-scatter guard.
  • Pulley drive option features a heavy duty double row bearing fitted for overhung loading.
  • Various material options available.
Part number Suction
(mm)
Discharge (mm) Impeller Diameter 
(mm)
Shaft Diameter 
(mm)
Seal Size (in) Pedestal
25APR 32 25 117/121 24 1.25 09
32APR 40 32 150 24 1.25 09
50APR 50 50 149 25.4 1/1.375/1.625 09
65APR 65 65 180/212 31.75 1.375 10
80APR 80 80 125/135/148 28.57 1.375/1.625 10
100APR 100 100 210/212/227 38.09 1.625 11
150APR 150 150 267 40 1.57 12
250APR 300 250 405 70 3.94
4050 FIREJET 50 40 149 24 1/1.375 10