M3
FLEXFLO® Peristaltic Metering Pump
Experience next-level chemical metering with the FLEXFLO® M3 Peristaltic Metering Pump. The M3 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.
M3 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
.0002 - 33.3
LPH
.0007 - 126
mL/min
.0117 - 2100
Pressure
125 PSI (8.6 Bar)
Enclosure Rating
NEMA 4X (IP66)
Standards
cETLus, CE, NSF61
Control Methods
Manual, Remote Analog/Digital, EtherNet/IP, Modbus TCP/IP, Profibus
Power Supply
100 to 240VAC-50/60Hz
Literature
M3 Literature
Instruction Manuals
M3 Instruction Manual – 80000-616Technical Data Sheets
M3 Technical Data Sheet - 85000-157Guides
Tubing Selection GuideEngineering Specifications
M3 Engineering SpecificationsBrochures
M3 | M4 Brochure – 80000-714Catalog
Municipal Catalog 2023
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 DP
- Alarm Outputs
- FVS
- Relay Output
Superior Design:
- 5 Year Warranty
- 10,000:1 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:
- M3 Peristaltic Metering Pump
- Two tube assemblies
- Tube installation tool
- Mounting hardware kit
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 | .0002 – 2.10 | .0007 – 7.92 | .0132 – 132 | 125 | 125 (8.6) | 185 (85) | A3-SND-R |
| NHL | .0017 – 17.4 | .0066 – 65.6 | .11 – 1097 | 125 | 65 (4.5) | 185 (85) | A3-SNGG-R |
| NK | .0033 – 33.3 | .0126 – 126 | .21 – 2100 | 125 | 125 (8.6) | 185 (85) | A3-SNGG-R |
| NKL | .0033 – 33.3 | .0126 – 126 | .21 – 2100 | 125 | 30 (2.1) | 185 (85) | A3-STH-R |
| NEE | .0004 – 4.76 | .0018 – 18.0 | .03 – 300 | 125 | 110 (7.6) | 185 (85) | A3-SNGG-R |
| NGG | .0019 – 19.02 | .0072 – 72.0 | .12 – 1200 | 125 | 110 (7.6) | 185 (85) | A3-SNGG-R |
| Flex-A-Chem® | |||||||
| TH | .0015 – 15.06 | .0057 – 57.0 | .0950 – 950 | 125 | 50 (3.4) | 130 (54) | A3-STH-R |
| TK | .0028 – 28.5 | .0108 – 108 | .18 – 1800 | 125 | 50 (3.4) | 130 (54) | A3-SNGG-R |
| Flex-A-Thane® | |||||||
| GE | .0004 – 4.60 | .0017 – 17.4 | .0290 – 290 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
| GG | .0010 – 10.1 | .0038 – 38.4 | .0637 – 637 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
| G2G | .0018 – 18.23 | .0069 – 69.0 | .0115 – 1150 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
| GH | .0024 – 24.9 | .0094 – 94.2 | .1570 – 1570 | 125 | 65 (4.5) | 130 (54) | A3-SGE-R |
| GK | .0028 – 28.5 | .0108 – 108 | .1800 – 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 maximum pressure ratings.
Maximum Fluid Temperature (excluding pump tubes)
- 185 °F (85 °C)
- NOTE: See individual pump tube assembly max. temperature ratings.
Maximum Viscosity
- 12,000 Centipoise
Maximum Suction Lift
- 30 ft. Water, 0 psig (9.14 m, 0 bar)
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)
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, 1/4 hp
Motor Speed Adjustment Range
- 10,000:1 (0.01% – 100% motor speed) Max RPM = 125
Motor Speed Adjustment Resolution
- 0.1% increments > 1% motor speed and < 100%
- 0.01% increments < 1% motor speed
Display
- 5” touchscreen color LCD, UV resistant.
Display Languages
- English, Spanish, French, German, and Portuguese selectable
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)
Security
- Programmable 6-digit password
Approximate Shipping Weight
- 30 lb. (13.6 Kg)
Enclosure
- NEMA 4X (IP66) wash-down, chemically resistant enclosure
RoHS Compliant
- Yes
Standards
- cETLus, CE, NSF61
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Replacement Parts
| Image | Catalog Number | Description | Price | Buy |
|---|
Downloads
| Title | |||
|---|---|---|---|
|
3 Series Roller Assembly – 80000-195 |
1.37 MB | September 18, 2024 | Download |
|
Case Study: Water Treatment Plant Standardizes on One Pump Model to Reduce Costs |
1.37 MB | May 15, 2025 | Download |
|
Case Study: Water Treatment Plant Successfully Makes the Switch from Gas to Liquid Chlorine |
538.23 KB | March 13, 2023 | Download |
|
FLEXFLO Pump EDS File |
11 KB | February 21, 2024 | Download |
|
FLEXFLO Pump GDS File |
2 KB | February 21, 2024 | Download |
|
FLEXFLO® Municipal Comparison Chart |
4.10 MB | May 15, 2025 | Download |
|
M3 | M4 Brochure – 80000-714 |
4.02 MB | March 7, 2023 | Download |
|
M3 Engineering Specifications |
454 KB | November 4, 2024 | Download |
|
M3 Instruction Manual – 80000-616 [Deutsch] |
17.36 MB | June 20, 2025 | Download |
|
M3 Instruction Manual – 80000-616 [Español] |
14.99 MB | June 20, 2025 | Download |
|
M3 Instruction Manual – 80000-616 [Français] |
15.13 MB | June 20, 2025 | Download |
|
M3 Instruction Manual – 80000-616 [Nederlands] |
21.26 MB | June 20, 2025 | Download |
|
M3 Instruction Manual – 80000-616 [Português] |
13.61 MB | June 20, 2025 | Download |
|
M3 Instruction Manual – 80000-616 |
12 MB | May 5, 2025 | Download |
|
M3 Instruction Manual [Français] – 80000-616 |
33.82 MB | March 24, 2023 | Download |
|
M3 M4 Instruction Manual – 80000-465 [LEGACY] |
6.3 MB | April 15, 2024 | Download |
|
M3 M4 Technical Data Sheet – 85000-108 [LEGACY] |
591.92 KB | April 15, 2024 | Download |
|
M3 Technical Data Sheet – 85000-157 |
1 MB | November 4, 2024 | Download |
|
M3 Technical Data Sheet – 85000-157 [Deutsch] |
598.67 KB | March 7, 2025 | Download |
|
M3 Technical Data Sheet – 85000-157 [Español] |
607.65 KB | March 7, 2025 | Download |
|
M3 Technical Data Sheet – 85000-157 [Français] |
745.19 KB | March 7, 2025 | Download |
|
M3 Technical Data Sheet – 85000-157 [Nederlands] |
717.36 KB | March 7, 2025 | Download |
|
M3 Technical Data Sheet – 85000-157 [Português] |
748.01 KB | March 7, 2025 | Download |
|
M3 Technical Data Sheet [Français] – 85000-157 |
559.46 KB | March 24, 2023 | Download |
|
Municipal Accessories Guide – 85000-178 |
1,021.20 KB | November 4, 2024 | Download |
|
Municipal Catalog 2025 – 80000-708 |
13.09 MB | May 16, 2025 | Download |
|
Municipal Products Brochure |
3.10 MB | May 9, 2025 | Download |
|
Municipal Quick Disconnect Fittings – 85000-140 |
1.49 MB | July 11, 2023 | Download |
|
Municipal Tubing Selection Guide – 85000-119 |
985 KB | 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 |
