Tefen MixRite 1 Dosing Pump

Tefen’s MixRite line of water driven proportional dosing pumps are used to ensure precise additive injection directly into the water or fluid line under various flow rates, feed ratios and different ranges of pressure.

MixRite 1 is a water driven proportioning injector for pumping an additive into a water line at a consistent induction rate over varying water pressure and flow rates. This is an especially compact pump that generates high injection accuracy and very low flow rate.

MixRite pumps start working automatically when water flows in, and stop when the flow stops. It is possible to stop the suction operation when using a model with an on/off system. These injectors are extremely durable, manufactured from engineered composite materials to withstand the rigors of the elements, as well as chemicals and acids for injection.

Tefen offers the MixRite pumps for a variety of applications including cost-effective fertilizing and pest control for crops and plants. Tefen’s injectors are adaptable and simple to use, and provide a long-lasting solution for your needs.

Tefen’s MixRite dosing pumps are a simple, user friendly and ingenious system that has demonstrated its value in over 90 countries.



  • Grow-rooms
  • Controlled environment agriculture (CEA) facilities
  • Commercial grow operations
  • Greenhouses and nurseries
  • Vertical farming
  • Indoor farming
  • Urban farming



  • Mixes additive and water precisely
  • The dosage can be adjusted easily and quickly
  • Key internal parts are from the highest quality material available (Hastelloy spring, Viton Rubber seal)
  • Easy to install
  • No electricity needed
  • Easy to adjust dosing percentage
  • Replaceable seals
  • Works at very low flow rate
  • Easy to field repair
  • Highly chemical resistant
  • Perfect blending
  • Highly resistant to UV



MixRite 1 MixRite 2.5 MixRite 3.5 (0.3-2%) MixRite 3.5 (0.5-5%)
MixRite Type ByPass STD STD
Working Pressure ‎0.2–8 bar ‎0.2–8 bar ‎0.2–8 bar ‎0.2–8 bar
Thread Size 3/4″ 3/4″ 3/4″ 3/4″
Water Pressure ‎0.2–8 bar [3 to 116 psi] ‎0.2–8 bar [3 to 116 psi] ‎0.2–8 bar [3 to 116 psi] ‎0.2–8 bar [3 to 116 psi]
Dimensions 22″ × 7.27″
Weight 4 pound [1.81 kg]
Min Pressure Loss 0.3 bar
Max Pressure Loss 1.5 bar
ON OFF System Yes [Manual] No [Air Release] Yes [Manual] Yes [Manual]
Air Release Yes
Chemical Bypass Standard External
Dosage Rate 0.2% [Fixed Rate] ‎0.3%–2% ‎0.3%–2% ‎0.5%–5%
Chemical Resistance Standard
Foot Valve Optional
Connection Type
Min Injection Per Hour 0.04 l/h [0.01 gph] 0.06 l/h [0.016 gph] 0.03 l/h [0.008 gph] 0.05 l/h [0.013 gph]
Max Injection Per Hour 2 l/h [0.53 gph] 50 l/h [13.21 gph] 70 l/h [18.5 gph] 175 l/h [46.23 gph]
Flow Rate Range ‎20–1000 l/h [0.09 to 4.4 gpm] ‎20–2500 l/h [0.088 to 11 gpm] ‎10–3500 l/h [0.04 to 15.5 gpm] ‎10–3500 l/h [0.04 to 15.5 gpm]



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