Bi-Directional Variable Area Flow Meter


Ideal for testing in bi-directional applications – hydraulic cylinder testing and hydrostatic transmissions.

  • Flows up to 100 GPM (375 Lpm).
  • Pressures up to 6000 PSI (414 bar).
  • Rugged and Reliable – These meters are constructed with all metal pressure vessels that allow safe & permanent installation.
  • Bi-Directional – Measures bi-directional flow measurement for liquids.
  • Use these flow meters to set up, adjust, and test hydraulic pumps, motors, cylinders, and more!
  • The only way to test a pump and motors safely and effectively is to use a flow meter.


  • Materials: Anodized aluminum casing and end ports with stainless steel internals. Stainless steel casing and end ports with stainless steel internals.
  • Pressure Seals: Buna-N®
  • Threads: SAE J1926/1
  • Temperature Range: -20 to +240 °F (-29 to +116 °C)
  • Pressure Rating: Aluminum Operating: 3,500 psi/241 bar max. Stainless Steel Operating: 6,000 psi/414 bar max with a 3:1 safety factor.
  • Accuracy: ±4% of full scale.
  • Repeatability: ±1%
  • Calibration: 0.873 Specific Gravity – For use with hydraulic oil.
  • Viscosity: Up to 110 cSt.
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