Blue-White - Chemical metering and fluid measurement solutions; chemical metering pumps, peristaltic pumps, diaphragm pumps, multi-diaphragm pumps, flow meters, flowmeters, variable area flow meters, paddlewheel flow meters, ultrasonic flow meters, engineered skid systems, single skid system, duplex skid system, triplex skid system, water analyzers...

M4

FLEXFLO® Peristaltic Metering Pump

Experience next-level chemical metering with the FLEXFLO® M4 Peristaltic Metering Pump.  The M4 combines accurate metering at discharge pressures up to 125 PSI, intuitive icon-based touch screen controls, and IP rated M12 connection ports that protect against moisture, dust, vibration, and any temperature change.

M4 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
.0028 - 158.5
LPH
.0108 - 600
mL/min
.1800 - 10000
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
3D Visualizer

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) senses tube rupture by detecting chemical in the pump head. No false triggering – Patented
  • 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:
  • 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 preventing hazardous chemical spills
  • 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:
  • M4 Peristaltic Metering Pump
  • Two tube assemblies
  • With “B” ½” hose barb and “M” M/NPT type connections:
    • Suction foot valve / strainer
  • 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®
NH .0028 – 28.5 .0108 – 108 .180 – 1800 125 125 (8.6) 185 (85) A4-MNH-R
NHL .0028 – 28.5 .0108 – 108 .180 – 1800 125 65 (4.5) 185 (85) A4-MNH-R
NK .0050 – 50.7 .0192 – 192 .320 – 3200 125 80 (5.5) 185 (85) A4-MNH-R
NHH .0054 – 54.4 .0204 – 204 .340 – 3400 125 100 (6.9) 185 (85) A4-MNH-R
NHHL .0054 – 54.0 .0204 – 204 .340 – 3400 125 65 (4.5) 185 (85) A4-MNH-R
NL .010 – 100.0 .0378 – 378 .630 – 6300 125 50 (3.4) 185 (85) A4-MNL-R
NP .015 – 158.5 .0600 – 600 1.00 – 10000 125 30 (2.1) 185 (85) A4-MNL-R
Flex-A-Chem®
TH .0025 – 25.40 .0096 – 96 .1600 – 1600 125 30 (2.1) 130 (54) A4-MTH-R
TK .0054 – 54.00 .0204 – 204 .3400 – 3400 125 30 (2.1) 130 (54) A4-MTH-R
TKK .0126 – 126.0 .0477 – 477.0 .800 – 8000 125 30 (2.1) 130 (54) A4-MTH-R
Flex-A-Thane®
GH .0039 – 39.6 .0150 – 150 .250 – 2500 125 65 (4.5) 130 (54) A4-MGH-R
GHH .0071 – 71.0 .0269 – 269 .448 – 4480 125 65 (4.5) 130 (54) A4-MGH-R
GK .0055 – 55.5 .0210 – 210 .350 – 3500 125 65 (4.5) 130 (54) A4-MGH-R
GKK .010 – 100.0 .0378 – 378 .630 – 6300 125 65 (4.5) 130 (54) A4-MGH-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.
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 H.P.
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
  • 12-1/8”W x 15-1/4”H x 16-1/2”D (30.8W x 38.8H x 41.9D cm)
Product Weight
  • 45.5 lb. (20.64 Kg)
Security
  • Programmable 6-digit password
Approximate Shipping Weight
  • 50 lb. (22.68 Kg)
Enclosure
  • NEMA 4X (IP66) wash-down, chemically resistant enclosure
RoHS Compliant
  • Yes
Standards
  • cETLus, CE, NSF61

Accessories

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KIT-QBE

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KIT-QME

KIT QUICK DISCONNECT .50 M/NPT EP

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KIT-QMV

KIT QUICK DISCONNECT .50 M/NPT FKM

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KIT-M12

KIT OF 2 M12 CABLES 10 FEET LONG

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USB A-C CABLE

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KIT-DP3
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CABLE M12 NETWORK BUS CONNECTION

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KIT-PSM

WALL MOUNT KIT 1/2/3/4 SERIES

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Replacement Parts

ImageCatalog NumberDescriptionPriceBuy

Downloads

Title
Case Study: Water Treatment Plant Successfully Makes the Switch from Gas to Liquid Chlorine

538.23 KB March 13, 2023
FLEXFLO Municipal Comparison Chart

4.10 MB January 24, 2024
FLEXFLO Pump EDS File

11 KB February 21, 2024
FLEXFLO Pump GDS File

2 KB February 21, 2024
M3 | M4 Brochure – 80000-714

4.02 MB March 7, 2023
M3 M4 Instruction Manual – 80000-465 [LEGACY]

6.3 MB February 15, 2024
M3 M4 Technical Data Sheet – 85000-108 [LEGACY]

591.92 KB February 14, 2024
M4 Engineering Specifications

882.50 KB February 22, 2024
M4 Instruction Manual – 80000-617

11.50 MB January 12, 2024
M4 Instruction Manual [Deutsch] – 80000-617

9.64 MB December 22, 2022
M4 Instruction Manual [Français] – 80000-617

35.07 MB March 24, 2023
M4 Replacement Parts List

583.44 KB February 10, 2022
M4 Technical Data Sheet – 85000-158

999 KB February 12, 2024
M4 Technical Data Sheet [Deutsch] – 85000-158

966.53 KB December 22, 2022
M4 Technical Data Sheet [Français] – 85000-158

568.95 KB March 24, 2023
Municipal Accessories Guide – 85000-178

1,021.20 KB April 29, 2022
Municipal Catalog 2024 – 80000-708

13.09 MB December 29, 2023
Municipal Products Brochure

2.98 MB February 14, 2024
Municipal Tubing Selection Guide – 85000-119

985 KB April 18, 2023
New A4 M4 Roller Assembly

8.69 MB November 22, 2022
Peristaltic Pump Tubing Brochure – 80000-726

3.75 MB October 24, 2023
Pump to Skid Adapter Kits – 85000-198

340.02 KB February 15, 2024

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