BSPP Adjustable Compensated Flow Control Valve - Approved Hydraulics Limited

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BSPP Adjustable Compensated Flow Control Valve

CFR1B

The CFR series are pressure‑compensated flow‑control valves that provide free flow in one direction and controlled flow in the reverse direction. An internal compensator keeps the flow rate stable despite load changes, giving consistent actuator speed. The valves have steel bodies and come in 1⁄4, 3⁄8 and 1⁄2 BSPP port sizes; the largest (CFR3B) measures about 109 mm long and 73 mm high and handles up to about 45 l/min. Smaller sizes carry up to roughly 25–30 l/min and weigh as little as 0.5 kg. Because pressure ratings are not specified, these valves are typically matched to the system’s working pressure.

Key specifications

  • Function: Pressure‑compensated flow‑control valve allowing free flow in one direction and metered, load‑independent flow in the opposite direction.

  • Port sizes: Available with 1⁄4, 3⁄8 and 1⁄2 BSPP threaded ports.

  • Dimensions (CFR3B): Approximately 109 mm body length, 73 mm height and 46 mm end dimension; CFR1B version is about 87.5 mm long and 66 mm high.

  • Flow capacities: Rated for 25 l/min (≈6.6 US gpm) for 1⁄4 BSPP, 30 l/min (≈7.9 US gpm) for 3⁄8 BSPP and 45 l/min (≈12 US gpm) for 1⁄2 BSPP sizes.

  • Weight & construction: Steel body with weights around 0.5 kg for the smallest size and 0.8 kg for the 1⁄2 BSPP model.

Data Sheet 2
Data Sheet