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MixRite pumps from DEMA Engineering Company are water-driven proportional dosing pumps
engineered for precise additive injection directly into water or fluid lines. These units are versatile,
operating within a specified range of flow rates, and are available in models that offer either fixed or
variable injection rates. Constructed from durable engineered composite materials, MixRite pumps are
designed to withstand harsh environmental conditions and are resistant to chemicals and acids, ensuring
long-lasting performance.
Models
Dosage Rate %
566AG
1% Fixed
568AG
0.8% Fixed
569CWONOFF
0.1-0.9%
TECHNICAL DATA
MixRite Operational Conditions
Minimum Flow Rate
Maximum Flow Rate
Minimum Temperature
Maximum Temperature
Operation Pressure Range
I-1461 Rev-- ECO 49802
500 Series User Guide
Models
Dosage Rate %
570CW
0.3-2%
571CW
0.3-2%
572CW
0.4-4
.8 GPM (180 LPH)
11 GPM (2,500 LPH)
39°F (4°C)
104°F (40°C)
2.9 to 120 PSI (0.2 Bar to 8 Bar)
ag.demaeng.com
Models
Dosage Rate %
573CW
0.4-4%
577IN
0.3-2%
579IN
0.4-4%
MixRite Parts Book
10.28.2024
Tech Support
314.966.3533
demaeng.com
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Summary of Contents for DEMA MixRite 566AG
- Page 1 500 Series User Guide MixRite pumps from DEMA Engineering Company are water-driven proportional dosing pumps engineered for precise additive injection directly into water or fluid lines. These units are versatile, operating within a specified range of flow rates, and are available in models that offer either fixed or variable injection rates.
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Page 2: Table Of Contents
500 Series User Guide TABLE OF CONTENTS Safety & Warnings Installation Operation & Maintenance Troubleshooting Warranty I-1461 Rev-- ECO 49802 10.28.2024 Tech Support ag.demaeng.com 314.966.3533 techsupport@demaeng.com... -
Page 3: Safety & Warnings
500 Series User Guide SAFETY & WARNINGS Take additional safety measures appropriate to the liquid being pumped and the temperature of the water. The operator must wear appropriate personal protection equipment during any maintenance of the MixRite pump. An air leak, impurity, or chemical damage to a seal can interrupt the dosing function. It is recommended to periodically check that the solution is correctly drawn into the MixRite. -
Page 4: Installation
500 Series User Guide MIXRITE INSTALLATION When connecting a MixRite either to a public water supply or to its own water source, you must follow local plumbing and backflow regulations. Always use 120 mesh – 130 micron filter before the inlet of the unit. Ensure the water is flowing in accordance with the arrow molded into the body of the unit. -
Page 5: Typical Installation
500 Series User Guide TYPICAL INSTALLATION Correct Installation Valve Pressure Gauge* Anti Siphon Valve* Valve Pt# 93.15.1 Pt# 36073008002 FLOW FLOW Filter Backflow Preventer* Pressure Gauge* Pt# 50.41.1 Pt# 38030200004 Pt# 93.15.1 Additive Tank 10 cm INSTALLING THE MIXRITE ON A BYPASS LINE (OFFLINE) Pressure Gauge* Filter Pressure Gauge*... -
Page 6: Operation & Maintenance
500 Series User Guide OPERATION Adjusting the MixRite The owner/operator is responsible for determining the correct amount of solution and corresponding injection ratio to obtain the desired result. Adjustment should be made when there is no water pressure in the MixRite. Turn off the water supply and allow the pressure to drop to zero. - Page 7 500 Series User Guide OPERATION Air-Release Valve Air release valve After initial operation of the MixRite, press the cap (air release valve) for several seconds to open valve that allows trapped air to escape. This air release is complete when the air no longer escapes and is replaced with water.
- Page 8 500 Series User Guide MAINTENANCE Rinsing and Cleaning the Unit Rinsing of the MixRite is required when changing chemicals and before handling the MixRite. Rinse the MixRite as follows: 1. Rinse the unit by pumping clean water from the additive container. 2.
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Page 9: Troubleshooting
500 Series User Guide TROUBLESHOOTING Subject Check Solution Direction of arrow on the pump. Install the pump so that the arrow point in direction of water flow. Inlet and outlet valves. Open the valve. Inlet filter. Clean the filter. Make sure there is water pressure The pump does not work. -
Page 10: Warranty
This warranty is extended only to the original buyer of DEMA products. If products are altered or repaired without prior approval of DEMA, this warranty will be void. Defective units or parts should be returned to theMixRite dealer from which they were purchased with transportation prepaid. If inspection shows them to be defective, they will be repaired or replaced without charge, F.O.B.
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