Dwyer Instruments HFB-5-100
$1.580
Rugged in-line variable area flowmeter with brass body, designed for accurate measurement of compatible gases or liquids. Features a magnetically coupled indicator and ±2.5% center-range accuracy.
Dwyer HFB-5-100 In-Line Variable Area Flowmeter – Brass Body for Gas & Liquid Applications.
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The Dwyer Instruments HFB-5-100 is part of the HF Series In-Line Flow Monitors, engineered for durable and reliable flow measurement in both industrial and process applications. This variable area flowmeter utilizes a floating orifice disk and magnetically coupled follower for precise, direct-reading flow indication.
Constructed with a brass casing and Buna-N seals, the HFB-5-100 is well-suited for measuring compatible gases, oils, or water-based liquids. Whether you’re monitoring low-flow lubrication systems or controlling process loops in fluid handling, this flowmeter delivers dependable performance and repeatable readings.
Key Features
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Brass body (HFB model) for compatibility with a wide range of fluids
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Direct-reading magnetic flow indication through a ring follower
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±4% FS accuracy across the range; ±2.5% in the center third
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High repeatability: ±1% FS
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Handles up to 3500 psig (241 bar) for liquid systems
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Maximum fluid temperature: 240°F (116°C)
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Accepts fluids with viscosity up to 500 SSU
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Compact in-line installation with female NPT connections
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Ideal for setting valves, detecting low-flow conditions, and system maintenance
Why Choose the Dwyer HFB-5-100?
Built for tough environments, the HFB-5-100 offers accurate visual flow indication without the need for external power or complex installation. The magnetically-coupled indicator makes it easy to read flow values in real time, and the brass construction ensures chemical compatibility for most water-based and petroleum fluids.
This flowmeter is a cost-effective choice for engineers and technicians across fluid power, pulp & paper, and industrial maintenance sectors.
Explore more in our Flowmeters category or learn how to compare technologies in our article: Flowmeter Types Explained: Ultrasonic vs Magnetic – Choosing the Right Technology for Accurate Flow Measurement.
Applications
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Pressure relief valve setting
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Lubrication flow monitoring
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Fluid handling and transfer systems
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Heating and cooling loop verification
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Pulp and paper production
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General industrial maintenance
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Fluid power systems
Technical Specifications
Specification Details Series HF In-Line Flow Monitors Model HFB-5-100 Service Compatible gases or liquids Wetted Materials Brass casing, Buna-N seals, PTFE-coated Alnico magnet, SS disk Max Viscosity 500 SSU Temperature Limit 240°F (116°C) Pressure Limits Up to 3500 psig (241 bar) for liquids Accuracy ±4% FS overall, ±2.5% in center third Repeatability ±1% of FS Flow Indication Magnetic follower ring on visible scale Connection Female NPT (size dependent) Shipping Weight Varies: 2 lb to 13.5 lb depending on size -
