Variable Area Flow

Variable area flow meters deliver simple, visual measurement for gases and liquids in diverse applications. Compact and intuitive, they suit everything from plant utilities to process lines. Eleven57 connects you to reliable solutions and the expertise to optimize your measurement strategy, helping you build resilient, modern infrastructure.

Variable Area Flow
FAM541

Armored variable-area flowmeter (standard flanged version) for high-pressure, high-temperature flow measurement with local indication and transmitter options.

Starting from:

$1,475.00

FAM545

Armored variable area meter with PTFE-lined flow tube for safe, reliable indication of flow rates in corrosive or aggressive fluid applications.

Starting from:

$1,475.00

A6Q
Expedited delivery offering for standard glass tube rotameters (Purgemaster series), ensuring the most common low-flow meter configurations can be obtained on a short lead time.
The A6 Purge Flowmeters are low flow variable area flowmeters for liquids and gases, offering excellent material and scale length/accuracy options in a single product family design. The meter features a corrosion-resistant stainless steel body, maintenance friendly snap-in tube construction, and a safety-tested operator protection shield. This model provides optimum flexibility with minimal components.

Starting from:

$290.00

FAM541

Armored variable area flowmeter with sanitary connections, combining robust operation with cleanability for use in food, beverage, and pharmaceutical flow monitoring.

The FAM544 flowmeter is ideal for the chemical, pharmaceutical, and food industries, measures liquids, steam, and gases, including aggressive or opaque fluids. Connections sizes range from ½” to 4″ with flanged connections and available with optional alarms, transmitter, digital display, pulse totalizer and HART communications.

Starting from:

$1,475.00

FAM541

The FAM541 flowmeter is ideal for the chemical, pharmaceutical, and food industries, measures liquids, steam, and gases, including aggressive or opaque fluids. Connections sizes range from ½” to 4″ with flanged connections and available with optional alarms, transmitter, digital display, pulse totalizer and HART communications.

Starting from:

$1,475.00

FAM32

The FAM3225 and FAM3255 are compact, fully integrated flow computers designed for high-accuracy measurement in gas, steam, and liquid applications. These models combine a smart flow computer with a built-in differential pressure (DP) transmitter, reducing installation space and wiring needs.

  • FAM3225: For gases and steam

  • FAM3255: For liquids
    Both offer up to two independent DP inputs, temperature/pressure compensation, and compliance with ISO 5167 and AGA standards, making them ideal for energy and mass flow calculations in demanding industrial settings.

Starting from:

$890.00

FAM32

The FAM3220 and FAM3250 are versatile, high-precision flow computers engineered for flexible integration with external transmitters.

  • FAM3220: For gases and steam

  • FAM3250: For liquids
    They support up to three analog inputs, temperature and pressure compensation, and provide real-time energy and mass flow computation. Ideal for custody transfer, utility monitoring, and process optimization, these units are approved for fiscal metering and energy balancing applications.

Starting from:

$255.00

A6
Compact purge rotameter with vertical inlet/outlet, used for accurate reading of small flow rates in an inline configuration. Its durable design and simple tube interchange make it practical for many low-flow industrial tasks.

The A6 Purge Flowmeters are compact purge flowmeter for low-flow gas and liquid applications. Ideal for panel mounting, continuous flow verification, and measurement stability under low pressure.

Starting from:

$290.00

D10A11

Glass tube variable area flowmeter with threaded connections for versatile use in measuring and monitoring flows of liquids or gases, offering clear visibility and reliable performance.

The FMG1195 is a compact, horizontally mounted electromagnetic flowmeter with threaded process connections, ideal for conductive liquids in low to medium flow ranges. Designed for clean or slightly contaminated media, it offers precise bidirectional flow measurement and is perfect for applications where space is limited and a threaded fitting is preferred.

Starting from:

$425.00

D10A11

Glass tube rotameter with flanged end connections, suitable for permanent installation in process pipelines to provide clear, direct flow indication under moderate pressure and temperature conditions.

MD1198 is a flanged, vertically oriented electromagnetic flowmeter optimized for upright installations in pipelines. Suitable for process industries requiring durable and secure connections, it offers high accuracy, robust construction, and seamless integration with control systems for flow monitoring of water, wastewater, and other conductive fluids.

 

Starting from:

$455.00

D10A11

Glass tube rotameter with hygienic/vertical threaded connections, combining the visibility of a glass flowmeter with convenient sanitary installation for clean or regulated environments.

The FMG1197 features a threaded connection with vertical installation, combining compact design with installation flexibility. It’s ideal for applications requiring upward or downward flow, such as dosing systems or confined piping layouts. Accurate and reliable, it is well-suited for OEM integration and general-purpose fluid measurement.

Starting from:

$375.00

D10A11

The FGM1187 is a robust, flanged electromagnetic flowmeter designed for inline installation in industrial process applications. Engineered for high accuracy and long-term stability, it is ideal for measuring the flow of conductive liquids in sectors such as water treatment, chemical processing, and food & beverage. The FGM1187 supports bidirectional flow, minimal pressure loss, and integrates easily with control systems via standard output protocols.

Starting from:

$375.00