Product Specifications

Performance for M4S 

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 M4S 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 length): 

• 115VAC 50/60HZ, NEMA 5/15 plug  (U.S.) – (choose when specifying pump model) 
• 220VAC 50/60HZ ,CEE 7/V11 plug (EU) – (choose when specifying pump model) 
• 230VAC 50/60HZ, NEMA 6/15 (U.S.) – (ordered separately) 
• 240VAC 50/60HZ, AS 3112 plug (Australia / New Zealand) (ordered separately) 
• 230VAC 50/60HZ, BS 1363/A plug (UK) (ordered separately) 

Signal Connectors: M12 – 5 pin, IP67 rated connectors 

Inputs: 

• 4-20 mA – fully configurable  
• Frequency / Pulse input – fully configurable 
• Stop/Start Dry Contact Closure (Configurable for N.O. or N.C.) 
• Auto Prime – Secondary Contact Closure  
• FVS (Flow Verification System) (Flow sensor provided by others) 

Outputs: 

• 4-20 mA output – fully configurable 
• Frequency output (Open collector) 
• Four (4) Alarm Outputs – Programmable. 

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) Valox 

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 

NSF 61 

FAQs

Frequently Asked Questions