AcuFlow™

AcuFlow flow meters

A revolution in reliable flow measurement for industrial gray and potable water applications

Ingenious in concept and flawless in operation, AcuFlow is revolutionizing the way flow is measured.

With its impressive accuracy and installation flexibility, it’s easy to see why AcuFlow is a flow meter that you can put your trust in.

Looking for a similar flow meter solution for pool & spa applications? Click here to learn about our FlowVis flow meter.

KEY FEATURES

Installation flexibility; installs horizontally, vertically, or even upside-down
Can be installed with little-to-zero straight pipe requirements with no effect on accuracy
≥98.1% accuracy across the entire model range
Models available for 1.5” - 8” and metric units for DN80 - DN200
Models feature independent certification of accuracy (NSF 50)
Doubles as a check valve (1.5”, 2”, and 2.5” models)
Digital upgrade (model AF-D) available for all AcuFlow models
Clear, easy-to-read scale in GPM or optional LPM or m3/h
Unique velocity scale displaying ft/s of head on suction and discharge sides of pump
Installs quickly and easily with no calibration required
Manufactured in the USA
15-year design life, 3-year warranty

Where to Buy

AcuFlow and AcuFlow Digital flow meters are available from these authorized partners. For more information, click on the linked logos below, or contact us.

Expect More

Don’t settle for less. AcuFlow offers significantly better accuracy, reliability, and installation flexibility when compared with similarly priced flow meters.

Product Literature

AcuFlow, AcuFlow Digital Product Brochure (Imperial): English

AcuFlow, AcuFlow Digital Product Brochure (Metric): English | Spanish

AcuFlow Instruction Manual (Imperial): English

AcuFlow Instruction Manual (Metric): English | Spanish

AcuFlow Digital Instruction Manual (Imperial): English

AcuFlow Digital Instruction Manual (Metric): English | Spanish

Technical Data

Specifications
Pipe Diameter	1.5", 2", 2.5", 3", 4", 6", 8", DN40, DN50/65, DN80, DN100, DN150, DN200
Average Accuracy	≥98.1% across the entire model range
Pressure Rating	125 psi
Warranty	15-year design life, 3-year warranty
Approvals	NSF 50 certified
Head Losses	Please refer to product manual

Upgrade to AcuFlow Digital

Unlock the full potential of the AcuFlow flow meter by ugrading to the AcuFlow Digital.

AcuFlow Digital provides the user with remote indication via an LCD display, visual alarms at user-defined set points, provides turnover rate information, allows the user to operate external equipment at user-defined flow rates, and more.

If you’re already using AcuFlow Digital, access the many unique features by installing the AcuFlow Digital APM Configurator software. To do so, click the button below. Step-by-step instructions on how to use the APM Configurator software can be found in the AcuFlow Digital instruction manual.

• Installs quickly and easily to existing AcuFlow models
• Retrofittable with the following analog units: AF-15; AF-15-U; AF-2; AF-2-U; AF-25; AF-3; AF-4; AF-6; AF-8; AF-15-L; AF-15-U-L; AF-2-L; AF-2-U-L; AF-3-L; AF-4-L; AF-6-L; AF-8-L; AF-DN40; AF-DN50/65; AF-DN80; AF-DN100; AF-DN150; AF-DN200
• Turnover Rate functionality
• Ability to interface with a multitude of external equipment
• >98% accuracy
• Ability to set flow rate alarms
• Offers remote indication of flow
• Manufactured in the USA
3-year warranty
DISPLAY ENCLOSURE
Enclosure Material: ABS
Rating: NEMA 4X / IP66
Dimensions (HxWxD): 6” x 6” x 3.5” (152mm x 152mm x 90mm)
Mounting Brackets: Stainless Steel
DISPLAY
Display: LCD
Backlight Colors: Red, Green, White
Display Cable with Socket: 138” (3.5M) long
SENSOR
Sensor Housing Material: Polycarbonate (clear)
Molded Cable with Plug: 20” (0.5M) long
DISPLAY TO SENSOR EXTENSION CABLE (OPTIONAL)
Pre-formed with Attached Plug and Socket: 25ft. (7.62M) long
POWER SUPPLY
Power Connection: Receptacle Style
Power Source: 120-240VAC, 0.5 Amps
Power Output: 12 VDC, 1.0 Amps
Low Voltage Cable Length: 10’ (3M)
AUXILIARY RELAY
Output Contacts: Double pole, double throw form C dry contacts
Contact Ratings: 20A Max.
Relay Coil: 12VDC (Sourced and Controlled by the Display)
ANALOG OUTPUT (4-20MA)
Scaled to: 4mA - zero flow, 20mA - max flow rate limit of installed AcuFlow
Output Format: Voltage sourced from AcuFlow Digital display
Maximum Load: 250 Ohms
ACCURACY
Flow Rate Accuracy: >98% for all AcuFlow models
ENVIRONMENTAL
Operating Temperature: 32 - 122°F (0 - 50°C)
Storage Temperature: -4 - 140°F (-20 - 60°C)
AF-3-LA: Exchange lid assembly for Digital upgrade for AcuFlow model AF-3. Scale in GPM. Required for all existing ‘pre-Oct.2020’ AF-3 installations.
AF-4-LA: Exchange lid assembly for Digital upgrade for AcuFlow model AF-4. Scale in GPM. Required for all existing ‘pre-Oct.2020’ AF-4 installations.
AF-6-LA: Exchange lid assembly for Digital upgrade for AcuFlow model AF-6. Scale in GPM. Required for all existing ‘pre-Oct.2020’ AF-6 installations.
AF-8-LA: Exchange lid assembly for Digital upgrade for AcuFlow model AF-6. Scale in GPM. Required for all existing ‘pre-Oct.2020’ AF-6 installations.
AF-3-LA-L: Exchange lid assembly for Digital upgrade for AcuFlow model AF-3-L. Scale in LPM. Required for all existing ‘pre-Oct.2020’ AF-3-L installations.
AF-4-LA-L: Exchange lid assembly for Digital upgrade for AcuFlow model AF-4-L. Scale in LPM. Required for all existing ‘pre-Oct.2020’ AF-4-L installations.
AF-6-LA-L: Exchange lid assembly for Digital upgrade for AcuFlow model AF-6-L. Scale in LPM. Required for all existing ‘pre-Oct.2020’ AF-6-L installations.
AF-8-LA-L: Exchange lid assembly for Digital upgrade for AcuFlow model AF-6-L. Scale in LPM. Required for all existing ‘pre-Oct.2020’ AF-6-L installations.
AF-DN80-LA: Exchange lid assembly for Digital upgrade for AcuFlow model AF-DN80. Scale in m3/h. Required for all existing ‘pre-Oct.2020’ AF-DN80 installations.
AF-DN100-LA: Exchange lid assembly for Digital upgrade for AcuFlow model AF-DN100. Scale in m3/h. Required for all existing ‘pre-Oct.2020’ AF-DN100 installations.
AF-DN150-LA: Exchange lid assembly for Digital upgrade for AcuFlow model AF-DN150. Scale in m3/h. Required for all existing ‘pre-Oct.2020’ AF-DN150 installations.
AF-DN200-LA: Exchange lid assembly for Digital upgrade for AcuFlow model AF-DN200. Scale in m3/h. Required for all existing ‘pre-Oct.2020’ AF-DN200 installations.
AFD-EC: Display extension cable; 26.25ft. (8 meters)
AFD-RK: Relay interface kit

Download the APM Configurator

Available models

AcuFlow™ models are available in imperial and metric sizes with scales reading GPM, LPM and m3/h. Browse our models below to find the AcuFlow that’s right for your application.

AF-15: AcuFlow model with GPM scale for 1.5” pipe. Includes check valve functionality.
AF-15-U: AcuFlow model with GPM scale and union fittings for 1.5” pipe. Includes check valve functionality.
AF-2: AcuFlow model with GPM scale for 2” pipe. Includes check valve functionality.
AF-2-U: AcuFlow model with GPM scale and union fittings for 2” pipe. Includes check valve functionality.
AF-25: AcuFlow model with GPM scale for 2.5” pipe. Includes check valve functionality.
AF-3: AcuFlow model with GPM scale for 3” pipe.
AF-4: AcuFlow model with GPM scale for 4” pipe.
AF-6: AcuFlow model with GPM scale for 6” pipe.
AF-8: AcuFlow model with GPM scale for 8” pipe. Includes AcuFlow Digital.
AF-15-L: AcuFlow model with LPM scale for 1.5” pipe. Includes check valve functionality.
AF-15-U-L: AcuFlow model with LPM scale and union fittings for 1.5” pipe. Includes check valve functionality.
AF-2-L: AcuFlow model with LPM scale for 2” pipe. Includes check valve functionality.
AF-2-U-L: AcuFlow model with LPM scale and union fittings for 2” pipe. Includes check valve functionality.
AF-25-L: AcuFlow model with LPM scale for 2.5” pipe. Includes check valve functionality.
AF-3-L: AcuFlow model with LPM scale for 3” pipe.
AF-4-L: AcuFlow model with LPM scale for 4” pipe.
AF-6-L: AcuFlow model with LPM scale for 6” pipe.
AF-8-L: AcuFlow model with LPM scale for 8” pipe. Includes AcuFlow Digital.
AF-C-M-DN40: AcuFlow model with m3/h scale for DN40 pipe. Includes check valve functionality.
AF-C-M-DN50/65: AcuFlow model with m3/h scale for DN50/65 pipe. Includes check valve functionality.
AF-C-M-DN80: AcuFlow model with m3/h scale for DN80 pipe.
AF-C-M-DN100: AcuFlow model with m3/h scale for DN100 pipe.
AF-C-M-DN150: AcuFlow model with m3/h scale for DN150 pipe.
AF-C-M-DN200: AcuFlow model with m3/h scale for DN200 pipe.
AF-SK: AcuFlow Service Repair Kit suitable for all models 1.5” - 2.5” / DN40 - DN50/65, with check valve functionality. Comprises: o-ring, flapper, spring and pivot pin.
AF-SK-CAR: AcuFlow Service Repair Kit suitable for 3” - 8” / DN80 - DN200 models. Comprises: spring, o-ring, spring pulley pivot pin, spring pulley to flapper pulley wire.