A3
FLEXFLO® Peristaltic Metering Pump
Experience next-level chemical metering with the FLEXFLO® A3 Peristaltic Metering Pump. The A3 combines accurate metering at discharge pressures up to 125 PSI, intuitive icon-based touchscreen controls, and IP-rated M12 connection ports that protect against moisture, dust, vibration, and any temperature change.
A3 remote control signal options include Pulse, 4-20mA, Modbus TCP, EtherNet/IP, and PROFIBUS for enhanced supervision and automation for critical metering and transfer applications.
Technical Overview:
GPH
.001 - 33.3
LPH
.003 - 126
mL/min
.05 - 2100
Pressure
125 PSI (8.6 Bar)
Enclosure Rating
NEMA 4X (IP66)
Standards
CE, cETLus
Control Methods
Manual, Remote Analog/Digital, EtherNet/IP, Modbus TCP/IP, PROFIBUS
Power Supply
100 to 240VAC-50/60Hz
Literature
A3 Literature
Instruction Manuals
A3 Instruction Manual – 80000-418
Technical Data Sheets
A3 Technical Data Sheet – 85000-099
Guides
Brochures
Catalog
3D Visualizer
Features and Benefits
Features
Benefits:
- Self-priming – even against maximum line pressure. By-pass valves are not required. Cannot vapor lock or lose prime. 30ft of suction lift. Gentle low-shear pumping action.
- Tube Failure Detection (TFD) built-in leak detection comes standard
- Modular roller design allows for simple tube changes without needing a tool.
- Optional dual channel tube design for optimum performance and pressure capability
Communication and Interface:
- 5” touchscreen color LCD display
- User-friendly configurations
-
Control Methods:
- Manual Control
- 4-20mA Input
- Remote Start/Stop
- Pulse Input
- Frequency Input
- EtherNet/IP
- Modbus TCP/IP
- PROFIBUS
- Alarm Outputs
- FVS
- Relay Ouput
Superior Design:
- 2 Year Warranty
- 2,500:1 turndown ratio
- NEMA 4X (IP66) wash-down, chemically resistant enclosure
- Heavy-duty rotor means no flexing and increased accuracy with no metal springs or hinges to corrode.
Safety Features:
- Tube Failure Detection (TFD) Senses tube rupture by detecting chemical in the pump head. No false triggering – Patented
- Security programmable 6-digit password to prevent tampering
Optional Components Available:
- Mounting Extended Brackets (72000-380) – 1 Pair, SS, 4 SS Screws
What’s Included:
- A3 Peristaltic Metering Pump
- Two tube assemblies
-
With “S” 3/8” OD x ¼” ID tubing compression type connections:
- Suction tube – clear PVC – 10′ length (3/8″ OD, 1/4″ ID)
- Suction strainer
- Suction ceramic weight
- Discharge tube – opaque polyethylene – 10′ length (3/8″ OD, 1/4″ ID)
- Discharge injection fitting with check valve
-
With “B” ½” hose barb and “M” M/NPT type connections:
- Suction strainer
- Discharge injection fitting with check valve
- #5 hose clamp (“B” Only)
-
With “C” Tri-clamp and “Q” Quick Disconnect connections:
- No accessories provided
- Tube installation tool
- Mounting hardware kit
- Junction box connectors
Output
| Tube Material / Size | Feed Rate | MaxSpeed | MaxPressure | MaxTemperature | Required Roller Assembly | ||
| GPH | LPH | ML/Min | RPM | PSI (bar) | °F (°C) | Code | |
| Flex-A-Prene® | |||||||
| ND | .001 – 2.1 | .003 – 7.8 | .06 – 132 | 125 | 125 (8.6) | 185 (85) | A3-SND-R |
| NEE | .002 – 4.76 | .007 – 18.0 | .12 – 300 | 125 | 110 (7.6) | 185 (85) | A3-SNGG-R |
| NGG | .007 – 19.02 | .026 – 72.0 | .48 – 1200 | 125 | 110 (7.6) | 185 (85) | A3-SNGG-R |
| NHL | .006 – 17.39 | .022 – 65.8 | .38 – 1097 | 125 | 65 (4.5) | 185 (85) | A3-SNGG-R |
| NK | .013 – 33.3 | .050 – 126.0 | .82 – 2100 | 125 | 125 (8.6) | 185 (85) | A3-SNGG-R |
| NKL | .013 – 33.3 | .050 – 126.0 | .82 – 2100 | 125 | 30 (2.1) | 185 (85) | A3-STH-R |
| Flex-A-Chem® | |||||||
| TH | .006 – 15.06 | .022 – 57.0 | .38 – 950 | 125 | 50 (3.4) | 130 (54) | A3-STH-R |
| TK | .011 – 28.5 | .043 – 108 | .72 – 1800 | 125 | 50 (3.4) | 130 (54) | A3-SNGG-R |
| Flex-A-Thane® | |||||||
| GE | .002 – 4.60 | .007 – 17.4 | .13 – 290 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
| GG | .004 – 10.1 | .015 – 38.4 | .25 – 637 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
| G2G | .007 – 18.23 | .03 – 69.0 | .46 – 1150 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
| GH | .010 – 24.9 | .038 – 94.2 | .63 – 1570 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
| GK | .011 – 28.5 | .043 – 108.0 | .72 – 1800 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
Specifications
Maximum Working Pressure (excluding pump tubes)
- 125 psig (8.6 bar)
- NOTE: see individual pump tube assembly max. pressure ratings.
Maximum Fluid Temperature (excluding pump tubes)
- 185 °F (85 °C)
- NOTE: see individual pump tube assembly max. temperature ratings.
Ambient Operating Temperature
- 14 °F to 115 °F (-10 °C to 46 °C)
Ambient Storage Temperature
- -40 °F to 158 °F (-40 °C to 70 °C)
Maximum Viscosity
- 12,000 Centipoise
Maximum Suction Lift
- 30 ft. Water, 0 psig (9.14 m, 0 bar)
Operating Voltage
- 115VAC/60Hz, 1ph (2.0 Amp Maximum)
- 230VAC/60Hz, 1ph (1.0 Amp Maximum)
- 220VAC/50Hz, 1ph (1.0 Amp Maximum)
- 240VAC/50Hz, 1ph (1.0 Amp Maximum)
- 230VAC/50Hz, 1ph (2.0 Amp Maximum)
Power Cord Options
- 115V60Hz = NEMA 5/15 (USA)
- 230V60Hz = NEMA 6/15 (USA)
- 220V50Hz = CEE 7/VII (EU)
- 240V50Hz = AS 3112 (Australia/New Zealand)
- 230V50Hz = BS 1363/A (UK)
Motor
- Brushless DC
Motor Speed Adjustment Range
- 2,500:1 (0.04% – 100%) Max rpm = 125 rpm
Motor Speed Adjustment Resolution
- 0.1% increments > 1% motor speed and < 100%
- 0.04% increments < 1% motor speed
Display
- 5″ touchscreen color LCD, UV resistent
Display Languages
- English, Spanish, French, German, and Portuguese selectable
Keypad
- Ten button positive action tactile switch keypad
Security
- Programmable 6-digit password
Maximum Overall Dimensions
- 8-1/4″W x 11-3/4″H x 13-1/4″D (20.9W x 29.8H x 34.5D cm)
Product Weight
- 25.4lb. (11.5 Kg)
Approximate Shipping Weight
- 30 lb. (13.6 Kg)
Enclosure
- NEMA 4X (IP66) wash-down, chemically resistant enclosure
RoHS Compliant
- Yes
Standards
- cETLus, CE
Videos
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KIT-QSV
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KIT-PSM
$341.00
Replacement Parts
| Image | Catalog Number | Description | Price | Buy |
|---|
Downloads
| Title | |||
|---|---|---|---|
|
3 Series Roller Assembly – 80000-195 |
1.37 MB | September 18, 2024 | Download |
|
A3 | A4 Brochure – 80000-713 |
6.18 MB | April 16, 2024 | Download |
|
A3 A4 Technical Data Sheet – 85000-098 [LEGACY] |
730 KB | February 14, 2024 | Download |
|
A3 Engineering Specifications |
978.00 KB | November 4, 2024 | Download |
|
A3 Instruction Manual – 80000-418 |
13.25 MB | May 5, 2025 | Download |
|
A3 Replacement Parts List |
491 KB | February 10, 2022 | Download |
|
A3 Technical Data Sheet – 85000-099 |
1.53 MB | February 25, 2025 | Download |
|
A3F A4F Instruction Manual – 80000-419 [LEGACY] |
2.86 MB | February 14, 2024 | Download |
|
A3V A4V Instruction Manual – 80000-463 [LEGACY] |
3.61 MB | April 15, 2024 | Download |
|
FLEXFLO Pump EDS File |
11 KB | February 21, 2024 | Download |
|
FLEXFLO Pump GDS File |
2 KB | February 21, 2024 | Download |
|
FLEXFLO® Industrial Comparison Chart |
3.31 MB | May 15, 2025 | Download |
|
Industrial Accessories Guide – 85000-179 |
994.07 KB | November 4, 2024 | Download |
|
Industrial Catalog 2025 – 80000-707 |
17.00 MB | May 16, 2025 | Download |
|
Industrial Products Brochure |
3.09 MB | May 9, 2025 | Download |
|
Industrial Tubing Selection Guide – 85000-120 |
0.98 MB | May 5, 2025 | Download |
|
Peristaltic Pump Tubing Brochure – 80000-726 |
3.75 MB | April 16, 2024 | Download |
|
Pump to Skid Adapter Kits – 85000-198 |
340.02 KB | August 6, 2024 | Download |
|
Tube Failure Detection (TFD) Brochure – 80000-724 |
2.31 MB | April 16, 2024 | Download |
