DEMA MixRite TF-3 & TF-5 Water-Powered Nutrient Injectors
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DEMA · Nutrient dosing
Match proportional injection to small and medium irrigation lines.
The TF-3 and TF-5 are inline water-driven injectors for typical fertilizers and compatible agricultural additives. They offer different flow capacities and dosing ranges, letting you size the injector around the irrigation circuit rather than selecting on injection percentage alone. Model-specific manuals provide the operating limits and service information for each family.
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Key features
- Water-driven additive proportioning
- TF-3 and TF-5 capacity options
- 1-inch NPT inline connections
- Selected models offer on/off and seal-material options
Specifications & configuration
| TF-3 maximum flow | 11 US gpm / approximately 42 L/min |
|---|---|
| TF-5 maximum flow | 22 US gpm / approximately 83 L/min |
| TF-3 dose options | 0.3–2% or 0.4–4% |
| TF-5 dose options | 0.1–1%, 0.2–2% or 1–5%, depending on model |
Best for
Low- to medium-flow fertigation and compatible inline additive injection.
Selection & compatibility
Select the exact model for minimum and peak flow, operating pressure, injection ratio and wetted-material compatibility. Install and calibrate according to the model-specific manual. Standard TF models are not intended for strong acids, alkalis or solvents. Minimum flow and chemical suitability must be confirmed for the exact model.
Documents & downloads
Manufacturer product information
Product video & training
More manufacturer training resources
Special order through Growhaus. Request pricing, availability and the correct model for your facility. Photos may show optional components or alternate configurations.