Inline Flow Meter With Reverse Flow, 75 GPM, 5000 PSI


Ideal for monitoring pump performance and media flows in hydraulic systems.

Why choose a reverse flow, flow meter?
Generally, one-way flow, inline flow meters have an integral check valve assembly that prevents the oil from flowing in reverse. This feature is safe when testing hydraulic pumps, but creates a potential hazard when testing double-acting cylinders and reversible motors.

Due to area difference, when flow is restricted at the rod-end of a double-acting, single-rod cylinder, the forces can cause the pressure to increase to a hazardous level – as much as two times the pressure relief valve setting!

  • 10 – 75 GPM (40 – 280 Lpm).
  • Use these flow meters to setup, 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: T303 Stainless body, 2024 – T351 Anodized aluminum piston and cone.
  • Pressure Seals: Viton®
  • Threads: SAE J1926/1
  • Temperature Range: -20 to +240 °F (-29 to +116 °C)
  • Pressure Rating: Stainless Steel Operating: 5,000 psi/345 bar max. with a 3:1 safety factor.
  • Accuracy: ±2% of full scale
  • Repeatability: ±1%
  • Calibration: 0.876 Specific Gravity – For use with hydraulic oil

RECOMMENDATION: If you are going to purchase one flow meter for testing all your hydraulic components, a reverse flow, inline flow meter would be the best choice.

SKU: HC-800S-075RF Categories: ,
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Additional information

Weight 15.1875 lbs
Dimensions 13.5 × 5.25 × 5.25 in

5000 PSI
(345 Bar)


10 to 75 GPM
(40 to 280 LPM)


12.2 inches (310 mm)

Port Thread

#20 ORB (SAE)