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Description
This Venturi injector is a precision-engineered fertilizer injection device designed using Venturi principles to draw liquid fertilizers and inject them into irrigation pipelines. Manufactured through three-dimensional disposable injection molding, the injector features a structured design that supports consistent performance and extended service life. Each unit comes with an integrated flow control valve for straightforward operation and precise adjustment of fertilizer absorption rates. This device enables fertigation processes for various agricultural operations, from small-scale gardens to large commercial farms.
To meet specific requirements for commercial procurement, customization options are available. These include alternative connection types beyond the standard male thread, higher pressure ratings, alternative engineering plastic materials, and custom flow control valve configurations. Contact our team to discuss your specific industrial application needs.
Technical Parameters
Item No. | Description | Size | Packing (Pcs) | Measurement (cm) | G.W (Kgs) |
VA1/2 | VENTURI FERTILIZER ABSORBER | 1/2" | 1/40 | 55×36×30 | 14 |
VA3/4 | VENTURI FERTILIZER ABSORBER | 3/4" | 1/40 | 55×36×30 | 10 |
VA01 | VENTURI FERTILIZER ABSORBER | 1" | 1/25 | 54×35×28 | 14 |
VA11/2 | VENTURI FERTILIZER ABSORBER | 1-1/2" | 1/20 | 54×35×28 | 13 |
VA02 | VENTURI FERTILIZER ABSORBER | 2" | 1/10 | 55×36×30 | 13 |
Size | Water Flow Range (m³/h) | Working Pressure Range (Mpa) | Fertilizer Absorption Capacity (L/h) |
1/2" | 0.29 - 0.81 | 0.07 - 0.95 | 3 - 37 |
3/4" | 0.65 - 2.42 | 0.07 - 0.95 | 9 - 92 |
1" | 1.82 - 6.34 | 0.07 - 0.95 | 34 - 279 |
1-1/2" | 4.31 - 12.73 | 0.07 - 0.95 | 49 - 680 |
2" | 13.44 - 29.10 | 0.10 - 0.50 | 234 - 2387 |
Parameter | Specification |
Operating Principle | Venturi effect (pressure differential) |
Construction | Three-dimensional disposable injection molding |
Connections | Male thread inlet and outlet |
Control | Integrated flow control valve |
Materials | Engineering plastic |
Suitable For | Liquid fertilizer injection in irrigation systems |
Application | Recommended Size | Water Flow | Absorption Capacity |
Small gardens, greenhouses | 1/2" - 3/4" | 0.29-2.42 m³/h | 3-92 L/h |
Medium farms, nurseries | 1" | 1.82-6.34 m³/h | 34-279 L/h |
Large agricultural projects | 1-1/2" | 4.31-12.73 m³/h | 49-680 L/h |
Very large systems, mainlines | 2" | 13.44-29.10 m³/h | 234-2387 L/h |
Custom Option | Details |
Connection types | Male thread standard; other options upon request |
Pressure ratings | Higher pressure ratings available |
Material options | Alternative engineering plastics upon request |
Valve configurations | Custom flow control options available |
Product Features
Engineered using Venturi principles, the injector creates a pressure differential that draws liquid fertilizer into the irrigation water stream. This non-electric method delivers consistent fertilizer injection without moving parts or external power requirements, reducing operational complexity and energy costs for commercial operations.
Manufactured through precision three-dimensional disposable injection molding, the injector features a smooth internal flow path with consistent dimensions. This manufacturing process ensures uniform performance across all units and eliminates potential leak paths found in multi-piece constructions.
Each injector is equipped with a flow control valve that allows adjustment of water flow and fertilizer absorption rate. This feature provides control over fertilizer concentration, enabling operators to adjust injection rates for different crops and growth stages.
Available in 1/2", 3/4", 1", 1-1/2", and 2" sizes with water flow rates from 0.29 to 29.10 m³/h and fertilizer absorption capacities from 3 to 2387 L/h. This range allows selection of the appropriate injector for applications from small greenhouses to large agricultural projects.
Both inlet and outlet feature male connectors for installation and linking to irrigation system components. This simplifies system assembly and allows connection to standard irrigation fittings.
By injecting fertilizer directly into the irrigation water, the Venturi injector ensures distribution of nutrients to all plants. This precision fertigation improves fertilizer use efficiency, reduces waste, and supports consistent crop growth.
Product Uses
This Venturi fertilizer injector serves functions across multiple agricultural applications. It supports greenhouse crop production, allowing different fertilizer formulations for various crop stages and species. For nursery operations, it delivers consistent fertilizer application for uniform plant growth. Multiple injectors can be used for different fertilizer types or crop zones.
The device is suitable for field crop fertigation in row crops, orchards, and vineyards where fertilizer is applied through drip irrigation systems. It also works for garden and landscape irrigation in residential gardens, public parks, and landscape installations. Additionally, it functions as a component in hydroponic nutrient delivery systems, agricultural research plots, and organic farming operations using organic liquid fertilizers and compost teas.
FAQ
The Venturi injector uses the Venturi principle – water flowing through a constricted section creates a pressure differential that draws liquid fertilizer into the irrigation stream. No external power or moving parts are required.
Available in 1/2", 3/4", 1", 1-1/2", and 2" sizes with water flow rates from 0.29 to 29.10 m³/h and fertilizer absorption capacities from 3 to 2387 L/h.
Select based on your system flow rate and desired fertilizer injection capacity. Refer to the performance table in specifications. If uncertain, select a smaller size and install in parallel configuration for flexibility.
Working pressure range is 0.07-0.95 Mpa for sizes up to 1-1/2", and 0.10-0.50 Mpa for 2" size.
The integrated flow control valve allows adjustment of water flow through the injector, which directly controls the fertilizer absorption rate.
