Manually Operated Pump

Product Brand: Sprague

S525 - Hand Pump J-style

Single-acting hand pump suitable for applications with low volumes at high pressures.

  • 4 ratios
  • Max pressure to 10,000 psig
  • Weight: 12 lbs
  • Suitable or water, oil and a wide range of chemicals
  • Stainless steel wetted parts

The Sprague Products single-acting, hand pump is suited for hydrostatic testing and other industrial applications that requires low volumes at high pressures.


The S-525-JB Hand Pump has improved alignment through a new peek bushing and a polyurethane seal, which will provide improved seal life.

  • Same as S-525 Hand pump
  • 9 ratios, with a pressure range 0 – 17,400 psig
  • Suited for hydrostatic testing


SM3 - Hand Pump Mini

Manually Operated back up pump for low flow volume applications

  • 8 Ratios
  • Max output pressure to 25,900 psig
  • Dim: 8 “ x 4 “ x 5”
  • Supplied with muffler/silencer
  • 1/8” threaded port is provided in the air cylinder body as standard to separate the air drive from the liquid section.
  • Easy maintenance do to unique air valve and non bolted construction
  • No lubrication required
  • SM-3S stainless steel and SM-3A aluminum liquid ends
  • All plastic air modules

The SM-3 pump was designed for manual operation. The pump can be used as a back up to a main pump or in low flow volume lab application.

Manually Operated Pump
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