Item Detail

3:1 Stub Pump
Item Number: SMN353120

Supplied by SAMSON CORPORATION (see all)
Price: $378.40* *

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The Samson 3:1 Stub Pump has double acting air operated medium pressure pumps for dispensing lubricants form portable units or in medium size installations including multiple dispensing points with no simultaneous use. Will pump all types of lubricants, even those of higher viscosity.


  • Bung adapter
  • Highly efficient and reliable, very low noise level, low air consumption
  • Patent double action pump design assures even flow of fluid - only three parts in the air motor - quick and easy maintenance
  • Precision corrosion resistant parts, high alloy materials, quality seals
  • Heavy duty, distortion free pump tubes


One (1) Year

Product Specification

Pressure Ratio3:1
Pump Tube Diameter1.33" (30mm)
Air Piston Diameter2" (51mm)
Air Piston Stroke3" (75mm)
Maximum Free Flow Capacity7.8 g.p.m. (30 l/min)
Minimum Air Pressure40 p.s.i.
Maximum Air Pressure140 p.s.i.
Maximum Fluid Pressure420 p.s.i.
Air Inlet1/4" NPSM (F)
Fluid Inlet 3/4" NPT (F)
Fluid outlet3/4" NPSM (F)

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