F-410 Acrylic Flow Meter

F-410

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The F-410N Series Acrylic Flow Meter offers reliable, accurate flow measurement for industrial, water treatment, and chemical process applications. Each F-410 is machined from high-quality, annealed acrylic and polished to a glass-like finish for superior clarity. The screen-printed permanent scale, backed by a white reflector, ensures easy, direct readings in any environment—even in direct sunlight.

Reinforced polypropylene adapters with aluminum stress rings and Viton (FKM) O-rings deliver excellent chemical resistance and durability under pressure. The F-410N is available for ¾” and 1” FNPT pipe sizes and handles up to 150 PSI, with an accuracy of ±5% full scale.

F-410N acrylic flow meter with clear body and stainless steel float

Manufacturer: Blue-White Industries

Model: F-410N Series

Product Type: Acrylic Flow Meter

Applications: Industrial flow monitoring, water treatment, chemical dosing, OEM skid manufacturing

Display: Direct-reading, screen-printed GPM/LPM scale with white reflector

Pipe Sizes: ¾”, 1” FNPT

Body Material: Clear, annealed acrylic

Adapters: Polypropylene with aluminum stress rings

Float & Guide Rod: 316 Stainless Steel

O-Rings: FKM (Viton); EP options available

Technical Specifications
Flow Range1–20 GPM / 4–80 LPM (varies by model)
Pipe Sizes¾”, 1” FNPT
Max Pressure150 PSI (10.3 bar) @ 70°F (21°C)
Max Temperature150°F (65°C) @ 0 PSI
Accuracy±5% F.S.
Scale Length5” (127mm)
Maximum Pressure Drop2 PSI
Body MaterialAnnealed, polished acrylic
Adapter MaterialPolypropylene w/ aluminum ring
O-Ring SealFKM (Viton), EP optional
Float/Guide Rod316 Stainless Steel
EnvironmentAcceptable for direct sunlight
Approx. Shipping Weight2 lb. (0.91 kg)
Catalog Number Description / Flow Range Pipe Size
F-40750LN-121–10 GPM Acrylic, .75″ F/NPT¾”
F-41000LN-122–20 GPM Acrylic, .75″ F/NPT¾”
F-40750LN-161–10 GPM Acrylic, 1.0″ F/NPT1″
F-41000LN-162–20 GPM Acrylic, 1.0″ F/NPT1″
How to order: Select the catalog number by desired flow range and pipe size. Example: F-41000LN-16 for 2–20 GPM, 1” FNPT.