A4
CHEM-FEED® Multi-Diaphragm 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
A4 Literature
Instruction Manuals
A4 Instruction Manual – 80000-618Technical Data Sheets
A4 Technical Data Sheet – 85000-100Guides
Tubing Selection GuideBrochures
A3 | A4 Brochure – 80000-713Catalog
Industrial CatalogOverview
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
- 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
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® | |||||||
| 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 |
Technical
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
Order Information
Configure Pump
Watch
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