CFR1B
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.
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