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Summary of Contents for DEMA MixRite TF-25
- Page 1 MixRite TF-25...
- Page 2 MixRite TF 25 Proportional Dosing Injectors We congratulate you on your purchase of one of MixRite's excellent products. It is important to devote a few minutes to carefully reading the explanations and recommendations in this user's manual in order to get the most from the proportioning dosing injector. Operation of the injector The proportioning dosing injector is fitted on the water line.
- Page 3 Option B: With stand Installation of the injector (correct installation is with the stand supplied By Tefen) – OPTIONAL The package should contain: A proportioning dosing injector to which are attached two couplings for a 63mm plastic pipe Or two 2" threaded couplings. A flexible suction tube to which is attached a flat 1"...
- Page 4 Connection of the suction tube Insert the flat seal into the nut of the coupling on the end of the tube (1). Thread and tighten the nut to the inlet valve on the underside of the injector. Make sure that the nut is threaded and tightened properly (2,3).
- Page 5 Connection of the injector to a 2" line Note the direction of the water flow. Assemble the injector with the arrow stamped on the body of the injector pointing in the direction of the water flow. Connect the injector using the plastic couplings.
- Page 6 Installation of the injector on a bypass line It is necessary to fit the proportional dosing injector on a bypass line when irrigating with a flow rate higher than 25 m /hour. The bypass enables only part of the water flow to pass to the Injector and activate it, while the rest passes through the main line.
- Page 7 Installation of two injectors in parallel When the water flow rate in the irrigation line is higher than the maximum nominal flow rate of the injectors, the water may be divided between two units. If the 2 injectors are used for pumping the same type of additive the scales should be adjusted in an identical manner to the same level of metering.
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Page 8: Troubleshooting Guide
Adjustment of metering On the metering cylinder there is a scale indicating the percentage of additives. When the injector is not operating and there is no pressure in the unit, turn the adjustment sleeve clockwise to increase the amount of additive or turn counterclockwise to decrease the amount of additive.
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