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 material and sizes, they are a reliable pump that is easy to maintain. 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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Industries Served

  • 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 numberSuction
(mm)
Discharge (mm)Impeller Diameter 
(mm)
Shaft Diameter 
(mm)
Seal Size (in)Pedestal
25APR3225117/121241.2509
32APR4032150241.2509
50APR505014925.41/1.375/1.62509
65APR6565180/21231.751.37510
80APR8080125/135/14828.571.375/1.62510
100APR100100210/212/22738.091.62511
150APR150150267401.5712
250APR300250405703.94
4050 FIREJET5040149241/1.37510