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...
Oswald

Municipal

M4 (Legacy)

Product Specifications

Performance for M4 (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 .0028 – 28.5 .0108 – 108 0.18 – 1800 125 125 (8.6) 185 (85) 
A4-*NHL-T Flex-A-Prene .0028 – 28.5 .0108 – 108 0.18 – 1800 125 65 (4.5) 185 (85) 
A4-*NK-T Flex-A-Prene .0050 – 50.7 .0192 – 192 .32  – 3200 125 80 (5.5) 185 (85) 
A4-*NHH-T Flex-A-Prene .0054 – 54.0 .0204 – 204 .34 – 3400 125 100 (6.9) 185 (85) 
A4-*NHHL-T Flex-A-Prene .0054 – 54.0 .0204 – 204 .34 – 3400 125 65 (4.5) 185 (85) 
A4-*NL-T Flex-A-Prene .010 – 100.0 .0378- 378 .63  – 6300 125 50 (3.4) 185 (85) 
A4-*NP-T Flex-A-Prene .015 – 158.5 .060 – 600 1.0 – 10000 125 30 (2.1) 185 (85) 
A4-*TH-T Flex-A-Chem .0025 – 25.4 .0096 – 96 0.16- 1600 125 30 (2.1) 130 (54) 
A4-*TK-T Flex-A-Chem .0054 – 54.0 .0020 – 204 .34 – 3400 125 30 (2.1) 130 (54) 
A4-*TKK-T Flex-A-Chem .0126 – 126 .0477 – 477 .08 – 8000 125 30 (2.1) 130 (54) 
A4-*GH-T Flex-A-Thane .0039 – 39.6 .0015 – 150 .25 – 2500 125 65 (4.5) 130 (54) 
A4-*GHH-T Flex-A-Thane .0071 – 71.0 .0269 – 269 .448 – 4480 125 65 (4.5) 130 (54) 
A4-*GK-T Flex-A-Thane .0028 – 28.5 .0021 – 210 .35 – 3500 125 65 (4.5) 130 (54) 
A4-*GKK-T Flex-A-Thane .001 – 100.0 .0378 – 378 .63 – 6300 125 65 (4.5) 130 (54) 

Fitting connections for M4 (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, 10,000:1 Turndown, Continuous Duty 

Power cord options available (6 feet in 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® – 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® – 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: 8.25” W x 10.75” H x 13.25” D (20.9 W x 27.3 H x 34.5 D cm) 

Product Weight: 25.4 Lb. (11.5 Kg) 

Approximate Shipping Dimensions: 16” W x 17” H x 22” D ( 40.5 W x  43 H x 56 D cm) 

Approximate Shipping Weight:  35 lb. (16.0kg) 

Agency Listings 

CE  

cETLus 

RoHS Compliant 

NSF 61 Listed 

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