PVDF Venturi Injector
The PVDF Venturi Injector is a high-performance fluid handling device designed to introduce chemicals or gases into a fluid stream using differential pressure. Made from Polyvinylidene Fluoride (PVDF), the PVDF venturi injector provides exceptional chemical resistance, making it ideal for aggressive and corrosive environments. Its simple, maintenance-free design uses the Venturi principle to create a vacuum that draws in and mixes additives without the need for moving parts. It is commonly used in oil, gas treatment, chemical dosing, and industrial fluid systems.
PVDF Venturi Injectors offer an efficient way to thoroughly mix gases in liquids. They create a vacuum, which draws the gas through the injector. The PVDF Venturi Injectors are ozone resistant and handle the pressure created by the vacuum. Choose a venturi size based on the pipe size. It should be about an inch or half-inch smaller so the PVDF venturi injector will create a suction. Use a reducer to connect the venturi injector to the piping.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
PVDF Venturi Injector Details
*Technical Drawing
*Technical Data
| Parameter | Details |
| Product Type | Venturi Injector (Fluid/Gas Mixing Device) |
| Material | Polyvinylidene Fluoride (PVDF) |
| Manufacturing Method | Injection moulded / precision machined |
| Working Principle | Venturi effect (pressure differential creates suction) |
| Construction | Venturi chamber + suction port + inlet & outlet connections |
| Connection Type | Threaded / Socket weld / Flanged |
| Available Sizes | ½″ to 2″ (custom sizes available) |
| Operating Pressure | Up to 10 bar (145 PSI) |
| Typical Working Pressure | ~2 – 6 bar (varies by model) |
| Operating Temperature | -20°C to +100°C |
| Flow Rate Range | ~5 LPM to 300 LPM (size dependent) |
| Vacuum Generation | Up to ~70% vacuum depending on pressure/flow |
| Suction Capacity | Varies (e.g., 0.3 to 49 Nm³/h depending on size) |
| Density (Material) | ~1.75 – 1.78 g/cm³ (PVDF typical) |
| Chemical Resistance | Excellent (acids, alkalis, oxidizers, chlorine, ozone) |
| Mechanical Strength | High strength with good dimensional stability |
| Thermal Stability | Good performance at elevated temperatures |
| UV Resistance | Excellent (suitable for outdoor use) |
| Surface Finish | Smooth internal geometry for efficient flow |
| Design Feature | No moving parts (low maintenance) |
| Color | Natural white / translucent |
| Applications | Water treatment, fertigation, chemical dosing, ozonation |
Highly Chemical-Resistant: Suitable for acids, alkalis, and aggressive chemicals.
Efficient Mixing: Uses Venturi action to ensure consistent and thorough injection.
Durable PVDF Construction: Ensures long-term reliability in harsh environments.
No Moving Parts: Reduces maintenance and operating costs.
Compact and Lightweight: Easy to install in new or existing pipeline systems.
High Temperature and Pressure Tolerance: Operates safely in demanding conditions.
Corrosion-Resistant and UV-Stable: Perfect for outdoor or industrial applications.
| Injector Size (Inlet/Outlet) | Typical Operating Pressure Range | Maximum Working Pressure | Typical Suction Capacity | Common Applications |
| ½ inch (DN15) | 1 – 6 bar (15 – 90 psi) | 8 bar (116 psi) | 5 – 40 L/hr | Small drip irrigation |
| ¾ inch (DN20) | 1 – 7 bar (15 – 100 psi) | 10 bar (145 psi) | 10 – 80 L/hr | Fertigation systems |
| 1 inch (DN25) | 1.5 – 8 bar (20 – 116 psi) | 10 bar (145 psi) | 50 – 300 L/hr | Dosing |
| 1½ inch (DN40) | 2 – 8 bar (30 – 116 psi) | 10 bar (145 psi) | 100 – 800 L/hr | Oil & gas treatment |
| 2 inch (DN50) | 2 – 10 bar (30 – 145 psi) | 12 bar (174 psi) | 300 – 2000 L/hr | Industrial chemical mixing |
Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Benefits of Using PVDF Venturi Injector
1. Excellent Chemical Resistance
PVDF (Polyvinylidene Fluoride) resists strong acids, alkalis, fertilizers, chlorine, and corrosive chemicals, making it ideal for aggressive dosing applications.
2. Corrosion-Free Performance
Unlike metal injectors, PVDF does not rust or corrode, ensuring long service life in harsh environments.
3. No Moving Parts
Venturi injectors operate using pressure difference only No motor, No electricity, No mechanical wear parts. This reduces maintenance and downtime.
4. Energy Efficient
They use existing line pressure to create suction, eliminating the need for external power or dosing pumps.
5. High Temperature Tolerance
PVDF can handle higher temperatures compared to PVC or polypropylene, making it suitable for industrial processes.
6. UV Resistant
Suitable for outdoor irrigation systems exposed to sunlight.
7. Lightweight and Easy Installation
Compact design allows:
- Simple inline installation
- Easy removal and cleaning
- Low installation cost
8. Cost-Effective Solution
Lower maintenance costs and long lifespan reduce total operating expenses.
9. Wide Application Range
Used in Fertigation systems, Drip irrigation, Swimming pool chlorination, Industrial chemical dosing.
Types of PVDF Venturi Injector
1. Inline Venturi Injector
- Solid flange without bore
- Used to close pipe ends or spare nozzles
- Manufactured as per DIN / ISO / ANSI standards
2. Bypass Venturi Injector
Installed a parallel (bypass line) to the main pipe
- Better suction control
- Less pressure loss in the main line
- Suitable for larger systems
- Large irrigation networks
- Industrial Oil & gas treatment
3. Adjustable Venturi Injector
Equipped with a flow control valve or an adjustment mechanism
- Adjustable chemical dosing rate
- More precise injection
- Improved efficiency
- Fertigation with varying crop needs
- Chemical process control systems
4. Fixed (Non-Adjustable) Venturi Injector
Standard suction capacity without adjustment
- Simple operation
- Lower cost
- Reliable for constant dosing
- Continuous chlorination
- Fixed fertilizer dosing
5. High-Capacity Industrial Venturi Injector
Designed for high flow and high-pressure systems.
- Large inlet/outlet sizes
- High suction rates
- Heavy-duty PVDF construction
- Industrial chemical plants
- Large-scale oil & gas treatment
Applications of PVDF Venturi Injector
Process Industry
High Purity Applications
Electronic Industry
Electrical Industry
Semi-conductors Industry
Pharmaceutical Industry
Solar power panels
Sugar Industry
Paper & Pulp Industry
Nuclear Power Industry
Automotive Industry
DI water plants
Why Choose Petron Thermoplast?
Petron Thermoplast had a high-quality PVDF Venturi Injector that depended on precise manufacturing, quality materials, and adherence to standards. Working with a trusted manufacturer like Petron Thermoplast ensures PVDF Venturi Injectors that deliver consistent performance in demanding environments. With experience in producing standard and custom designs, Petron Thermoplast provides solutions tailored to the needs of diverse industries worldwide.
