Industrial
A4 (Legacy)
Product Specifications
Performance for A4 (Legacy)
| Model Tube | Tubing Material | Feed Rate | Max Speed | Max Pressure | Max Temp | ||
| GPH | LPH | mL/Min | RPM | PSI(bar) | °F(°C) | ||
| A4-*NH-T | Flex-A-Prene | .01 – 28.5 | .04 – 108 | 0.7 – 1800 | 125 | 125 (8.6) | 185 (85) |
| A4-*NHL-T | Flex-A-Prene | .01 – 28.5 | .04 – 108 | 0.7 – 1800 | 125 | 65 (4.5) | 185 (85) |
| A4-*NK-T | Flex-A-Prene | .02 – 50.7 | .08 – 192 | 1.3 – 3200 | 125 | 80 (5.5) | 185 (85) |
| A4-*NHH-T | Flex-A-Prene | .02 – 54.0 | .09 – 204 | 1.4 – 3400 | 125 | 100 (6.9) | 185 (85) |
| A4-*NHHL-T | Flex-A-Prene | .02 – 54.0 | .09 – 204 | 1.4 – 3400 | 125 | 65 (4.5) | 185 (85) |
| A4-*NL-T | Flex-A-Prene | .04 – 100.0 | .15- 378 | 2.5 – 6300 | 125 | 50 (3.4) | 185 (85) |
| A4-*NP-T | Flex-A-Prene | .06 – 158.5 | .24 – 600 | 4.0 – 10000 | 125 | 30 (2.1) | 185 (85) |
| A4-*TH-T | Flex-A-Chem | .01 – 25.4 | .04 – 96 | 0.6- 1600 | 125 | 30 (2.1) | 130 (54) |
| A4-*TK-T | Flex-A-Chem | .02 – 54.0 | .08 – 204 | 1.4 – 3400 | 125 | 30 (2.1) | 130 (54) |
| A4-*TKK-T | Flex-A-Chem | .05 – 126 | .18 – 477 | 3.2 – 7950 | 125 | 30 (2.1) | 130 (54) |
| A4-*GH-T | Flex-A-Thane | .01 – 39.6 | .06 – 150 | 1.0 – 2500 | 125 | 65 (4.5) | 130 (54) |
| A4-*GHH-T | Flex-A-Thane | .03 – 71.0 | .11 – 269 | 1.9 – 4480 | 125 | 65 (4.5) | 130 (54) |
| A4-*GK-T | Flex-A-Thane | .02 – 28.5 | .09 – 210 | 1.4 – 3500 | 125 | 65 (4.5) | 130 (54) |
| A4-*GKK-T | Flex-A-Thane | .04 – 100.0 | .20 – 378 | 2.5 – 6300 | 125 | 65 (4.5) | 130 (54) |
Fitting connections for A4 (Legacy) pump = *
“M” = 1/2” Male NPT
“B” = 1/2” Hose Barb
“C” = ½” – ¾” Tri-Clamp
“Q” = Quick Disconnect
“MB” = 1/2 Male BSPT
Maximum Viscosity: 5,000 Centipoise
Maximum Suction Lift: 30 ft at sea level (14.7 atm psi)
Electrical and Controls
Electrical Power Requirement: 100 to 240VAC, 50/60Hz
Motor: Brushless DC, 2,500:1 Turndown, Continuous Duty
Power cord options available (6 feet length):
- 115VAC 50/60HZ, NEMA 5/15 plug (U.S.)
- 220VAC 50/60HZ ,CEE 7/V11 plug (EU)
- 230VAC 50/60HZ, NEMA 6/15 (U.S.)
- 240VAC 50/60HZ, AS 3112 plug (Australia / New Zealand)
- 230VAC 50/60HZ, BS 1363/A plug (UK)
Inputs:
- 4-20 mA – fully configurable (V model only)
- 0-10 VDC (V model only)
- Frequency / Pulse input – fully configurable (V model only)
- Stop/Start Dry Contact Closure (Configurable for N.O. or N.C.)
- FVS (Flow Verification System) (Flow sensor provided by others)
Outputs:
- 4-20 mA output – fully configurable (V model only)
- Frequency output (Open collector) (V model only)
- Four (4) Alarm Outputs – Programmable. (V model only)
Materials of Construction
Pump Head: Valox® (PBT)
Pump Head Cover: Polycarbonate, with permanently sealed motor shaft support bronze sleeve bearing.
Cover Screws: Stainless steel, polypropylene cap.
Roller assembly: Rotor – Valox, Rollers – Nylon.
Motor Shaft: Chrome-Plated Steel
TFD Sensor: Hastelloy C
Power Cord: 3 Conductor, SJTW-A water-resistant
Mounting Brackets: 316 Stainless Steel (standard and extended)
Enclosure: NEMA 4X (IP66) Powder Coated Aluminum
Tube Fittings: PVDF (part of tube assembly)
Tube Assembly Options
Flex-A-Prene® tubing – An excellent material for most water treatment applications. Chemically resistant to 25% Sodium Hypochlorite, 30% Sulfuric Acid, 30% Fluosilicic Acid, Ferric Chloride, Alum and many others.
Flex-A-Chem® tubing – This material consists of an outer Norprene jacket with an inner liner that is virtually unaffected by acids, bases, salts, ketones, and alcohols.
Flex-A-Thane® tubing – This polyurethane material can be used with a variety of chemicals, including Oil and Water based Polymers, fuels and lubricants, and many others.
Flex-A-Prene®, Flex-A-Chem®, and Flex-A-Thane® tubing comply with FDA 21 CFR, 117.2600 criteria for food processing.
Dimensions and Weights
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)
Agency Listings
CE
cETLus
RoHS Compliant
FAQs
Frequently Asked Questions
A4 (Legacy) Specifications
- Can I use the suction tubing on the discharge side of the pump? What is the maximum pressure capability of the suction tubing?
The clear PVC suction tubing and opaque polyethylene (PE) discharge tubing included with some pump models are provided to aid in pump installation. The clear PVC tubing is rated for 40 PSI. It can be used on discharge as long as pressure is lower than 40 PSI.
What is accuracy of my pump?The accuracy of the A4/A4S is +/-5% full-scale accuracy. When the tube has been calibrated the A4/A4S are +/-2% rate accuracy. The motor accuracy is +/-0.5% rated accuracy of the indicated RPM. These accuracy claims are only for water at 72°F with a 5-foot suction lift at atmospheric conditions of sea level.
How do I calculate pump output per 1 revolution?Default Value is pumping Water. If pumping other than water, make sure feed rate value is calibrated and corrected feed rate value is used. Divide max feed rate value (use ml/mn) divide by max rpm of pump = output per 1 revolution.
How do I convert RPM into Motor Speed?Determine Max RPM of pump. Select indicated RPM value then divide by Max RPM of pump = New Factor. Use New Factor multiply x 100 = Motor Speed.
How do I determine if a pump tube is compatible with the roller assembly installed in my pump?Rollers have tube part numbers embossed on the front face. Inspect roller and tube part number to ensure compatibility. Additional information on tube and roller compatibility is available in the Instruction Manuals under Replacement Parts.
Can I use the discharge tubing on the suction side of the pump? What is the maximum pressure capability of the discharge tubing?Yes. The clear PVC suction tubing and opaque polyethylene (PE) discharge tubing included with some pump models are provided to aid in pump installation. The opaque PE discharge tubing is rated for 150 PSI. It can be used as suction tubing.
Can I use any size suction and discharge tubing? or any brand I want?Yes. However, size and material of suction and discharge tubing should be consistent and appropriate for the chemical, flow, and pressure of the system.
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