A2

FLEXFLO® Peristaltic Metering Pump

Simplify chemical feed with the FLEXFLO® A2 Peristaltic Metering Pump.  This rugged and compact pump features a gentle, low-shear pumping action, making it an ideal choice for dosing shear-sensitive or gaseous fluids.  The A2 does not require check valves, seals, or other ancillary equipment to function, reducing maintenance intervals and process downtime.

Remote control signal options include Remote Start/Stop, Flow Verification, Pulse, and 4-20mA.

Technical Overview:

GPH
.02 - 21.23
LPH
.07 - 80.4
mL/min
1.1667 - 1340
Pressure
125 PSI (8.6 Bar)
Enclosure Rating
NEMA 4X (IP66)
Standards
CE, cETLus, RoHS
Control Methods
Manual, Remote Analog/Digital
Power Supply
100 to 240VAC-50/60Hz
Overview

Key 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

  • Operator friendly digital controls with backlit LCD displays motor speed, input signal values, service, and alarm status
  • Inputs include: 4-20mA and pulse inputs for remote external speed control and either powered 6-24 VDC or non-powered dry contact closure for remote start/stop
  • Outputs: one 250V/3A relay to monitor TFD (Tube Failure System) and FVS (Flow Verification System), one 4-20mA analog signal scalable to the motor speed and one relay output for run status
  • Compatible with Blue-White’s output Flow Verification Sensor (FVS) system. Sensor is sold separately

Superior Design

  • 2 Year Warranty
  • 100:1 turndown ratio
  • NEMA 4X (IP66) wash-down, chemically resistant powder coated 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
Performance Data

Output Table

Tube Material / Size Feed Rate MaxSpeed MaxPressure MaxTemperature Required Roller Assembly
GPH LPH ML/Min RPM PSI (bar) °F (°C) Code
Flex-A-Prene® Tube
ND .02 – 1.7 .07 – 6.5 1 – 108 130 125 (8.60) 185 (85) A2-SND-R
NEE .044 – 4.44 .168 – 16.8 2.80 – 280 130 110 (7.60) 185 (85) A2-SNGG-R
NGG .172 – 17.2 .651 – 65.1 10.85 – 1085 130 110 (7.60) 185 (85) A2-SNGG-R
Flex-A-Chem® Tube
TH .14 – 14.3 .54 – 54 9.0 – 900 130 50 (3.45) 130 (54) A2-STH-R
Flex-A-Thane® Tube
GE .04 – 4.0 15 – 15.2 3 – 253 130 65 (4.50) 130 (54) A2-SGE-R
GG .09 – 9.3 .35 – 35.2 6 – 587 130 65 (4.50) 130 (54) A2-SGE-R
G2G .15 – 14.9 .567 – 56.7 9.45 – 945 130 65 (4.50) 130 (54) A2-SGE-R
GH .21 – 21.23 .80 – 80.4 13.4 – 1340 130 65 (4.50) 130 (54) A2-SGE-R
Technical

Specifications

Maximum Working Pressure
125 psig
8.6 bar
Maximum Fluid Temperature
185 °F
85 °C
Maximum Ambient Temperature
14 °F to 115 °F/ -10 °C to 46 °C
Maximum Viscosity
12,000 Centipoise
Maximum Suction Lift
30 ft. Water at sea level
14.7 atm psi
Operating Voltage
  • 115VAC/60Hz, 1ph (1.5 Amp Maximum)
  • 230VAC/60Hz, 1ph (0.7 Amp Maximum)
  • 220VAC/50Hz, 1ph (1.0 Amp Maximum)
  • 240VAC/50Hz, 1ph (1.0 Amp Maximum)
  • 230VAC/50Hz, 1ph (1.0 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
Brushed DC, 1/8 H.P.
Duty cycle
Continuous
Motor Speed Adjustment Range
100:1, (1.0% – 100% motor speed) Max. rpm = 130
Display
Backlit LCD, UV resistant
Keypad
Eight button positive action tactile switch keypad
Maximum Overall Dimensions
7-1/2” W x 10-1/4” H x 14” D
19 W x 26 H x 35.6 D cm
Product Weight
28.4lb.
12.9 Kg
Approximate Shipping Weight
35 lb.
15.9 Kg
Enclosure
NEMA 4X
IP66
RoHS Compliant
Yes
Standards
cETLus, CE
Order Information

Configure Pump

Purchase

Accessories

Purchase

Replacement Parts

ImageCatalog NumberDescriptionPriceBuy
Documentation

Downloads

Title Type Size Updated Download
Instruction Manual 1 file
A2 Instruction Manual – 80000-480 PDF 5.06 MB May 29, 2026 Download
Technical Data Sheet 2 files
A2 Technical Data Sheet – 85000-114 PDF 726.55 KB May 26, 2026 Download
Pump to Skid Adapter Kits – 85000-198 PDF 340.02 KB Sep 11, 2026 Download
Guides 2 files
Industrial Tubing Selection Guide – 85000-120 PDF 0.98 MB Aug 12, 2025 Download
Industrial Accessories Guide – 85000-179 PDF 994.07 KB Sep 9, 2026 Download
Brochure 3 files
Industrial Products Brochure PDF 3.09 MB Mar 13, 2026 Download
Peristaltic Pump Tubing Brochure – 80000-726 PDF 3.75 MB Aug 12, 2025 Download
FLEXFLO® Industrial Comparison Chart PDF 3.31 MB Mar 13, 2026 Download
Catalog 1 file
Industrial Catalog 2026 – 80000-707 PDF 17.00 MB Jul 2, 2026 Download
Engineering Specifications 1 file
Flex-Pro – A2 Engineering Spec Sheet DOC 158.00 KB Feb 10, 2022 Download
Firmware Update 3 files
Flex-Pro A2V Firmware Update v2.14 ZIP 9.59 MB Feb 10, 2022 Download
Flex-Pro A2F Firmware Update v2.14 ZIP 9.59 MB Feb 10, 2022 Download
A2 M2 Firmware Update Instructions – 80000-494 PDF 3.06 MB Aug 22, 2025 Download
Replacement Parts List 1 file
A2 Replacement Parts List PDF 513 KB May 8, 2026 Download
Sales Brochure 1 file
Industrial Products Brochure PDF 3.09 MB Mar 13, 2026 Download

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