Blue-White Industries F-41000LN-12 Flow Meter

F-41000LN-12 Blue-White’s F-410 series acrylic flow meter is an inline, vertical flow meter for water on 3/4" FNPT pipes, reading 2–20 GPM (8–80 LPM) with a dual GPM/LPM scale and a white back reflector for easy visibility. The unit features a one‑piece polished acrylic meter body with a 316 SS float and guide rod, polypropylene adapters, and Viton O‑rings (EP optional via part‑number modification); it carries a maximum working pressure of 150 psi at 70°F and a maximum temperature of 150°F (65°C) at 0 psi. Scale length is 5 inches, and full‑scale accuracy is ±5% of full scale, calibrated for water with specific gravity 1.0. The F-41000LN‑12 is designed for vertical inline mounting on water pipes (suitable for Schedule 40/80 piping) and is commonly used for monitoring flow in RO/DI systems, cooling loops, processing plants, and other water‑handling equipment.