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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.
TECHNICAL DATA
MixRite Operational Conditions
Minimum Flow Rate
Maximum Flow Rate
Minimum Temperature
Maximum Temperature
Operation Pressure Range
1400 Series User Guide
.8 GPM (180 LPH)
15.4 GPM (3,500 LPH)
39°F (4°C)
104°F (40°C)
2.9 to 120 PSI (0.2 Bar to 8 Bar)
ag.demaeng.com
MixRite Parts Book
Tech Support
314.966.3533
demaeng.com
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Table of Contents
Related Manuals for DEMA MixRite 1400 Series
Summary of Contents for DEMA MixRite 1400 Series
- Page 1 1400 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
1400 Series User Guide TABLE OF CONTENTS Safety & Warnings Installation Operation Maintenance Troubleshooting Warranty Tech Support ag.demaeng.com 314.966.3533 techsupport@demaeng.com... -
Page 3: Safety & Warnings
1400 Series User Guide SAFETY WARNING 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 1400 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.
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Page 5: Installation
1400 Series User Guide INSTALLING THE MIXRITE ON A DIRECT LINE (IN LINE) Pressure Guage Pressure Incorrect Correct Valve Pt# 93.15.1 Regulator Installation Installation Valve Anti Siphon Valve Filter Backflow Preventer Pt# 36073008002 Pt# 50.41.1 Pt# 38030200004 INSTALLING THE MIXRITE ON A BYPASS LINE (OFFLINE) Pressure Guage Pressure Pt# 93.15.1... -
Page 6: Operation
1400 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. -
Page 7: Maintenance
1400 Series User Guide OPERATION On/Off System On/Off knob: On/Off knob: ON position OFF position Models with the on/off knob do not have an air release. It is recommended to use the on/off when the additive container is empty as running the unit without additive can cause premature wear. - Page 8 1400 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
1400 Series User Guide TROUBLESHOOTING Subject Check Solution Direction of arrows on the pump is Install the pump so that the arrows the same as water flow. point in direction of water flow. Inlet and outlet valves are open. Open the valve. Inlet filter is not clogged. -
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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