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A4

FLEXFLO® Peristaltic Metering Pump

Experience next-level chemical metering with the FLEXFLO® A4 Peristaltic Metering Pump.  The A4 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.

A4 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
.01 - 158.5
LPH
.04 - 600
mL/min
.6667 - 10000
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
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:
  • 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 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:
  • A4 Peristaltic Metering Pump
  • Two tube assemblies
  • Discharge injection fitting with check valve
  • With “B” ½” hose barb and “M” M/NPT type connections:
    • Suction strainer
    • #5 hose clamp (“B” only)
  • 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®
NH .01 – 28.5 .04 – 108 0.7 – 1800 125 125 (8.6) 185 (85) A4-MNH-R
NHL .02 – 28.5 .07 – 108 1.2 – 1800 125 65 (4.5) 185 (85) A4-MNH-R
NK .02 – 50.7 .08 – 192 1.3 – 3200 125 80 (5.5) 185 (85) A4-MNH-R
NHH .02 – 54.0 .09 – 204 1.4 – 3400 125 100 (6.9) 185 (85) A4-MNH-R
NHHL .02 – 54.0 .09 – 204 1.4 – 3400 125 65 (4.5) 185 (85) A4-MNH-R
NL .04 – 100.0 .15 – 378 2.5 – 6300 125 50 (3.4) 185 (85) A4-MNL-R
NP .06 – 158.5 .24 – 600 4.0 – 10000 125 30 (2.1) 185 (85) A4-MNL-R
Flex-A-Chem®
TH .01 – 25.4 .04 – 96.0 0.6 – 1600 125 30 (2.1) 130 (54) A4-MTH-R
TK .02 – 54.0 .08 – 204 1.4 – 3400 125 30 (2.1) 130 (54) A4-MTH-R
TKK .05 – 126 .18 – 477 3.2 – 7950 125 30 (2.1) 130 (54) A4-MTH-R
Flex-A-Thane®
GH .01 – 39.6 .06 – 150 1.0 – 2500 125 65 (4.5) 130 (54) A4-MGH-R
GHH .03 – 71 .11 – 269 1.9 – 4480 125 65 (4.5) 130 (54) A4-MGH-R
GK .02 – 55.5 .09 – 210 1.4 – 3500 125 65 (4.5) 130 (54) A4-MGH-R
GKK .04 – 100 .20 – 378 2.5 – 6300 125 65 (4.5) 130 (54) A4-MGH-R

Specifications

Maximum Working Pressure
  • 125 psig (8.6 bar)
  • Note: see individual pump tube assembly maximum pressure ratings.
Maximum Fluid Temperature
  • 3/8” OD x 1/4” ID tubing connections: 130 °F (54 °C)
  • M/NPT connections: 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 at sea level (14.7 atm psi)
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
Security
  • Programmable 6-digit password
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)
Approximate Shipping Weight
  • 50 lb. (22.68 Kg)
Enclosure
  • NEMA 4X (IP66) wash-down, chemically resistant enclosure
RoHS Compliant
  • Yes
Standards
  • cETLus, CE

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