High Purity Venturi Injector

The High Purity Venturi Injector is a precision-engineered device designed to introduce or dose chemicals, gases, or additives into ultrapure fluid systems using differential pressure. Manufactured from contamination-free high-purity materials such as PVDF HP or PFA, it ensures clean, efficient mixing without moving parts.

The Venturi principle creates a vacuum that safely draws the chemical into the main flow stream, making it ideal for semiconductor ultrapure water systems, pharmaceutical processing, laboratory applications, and high-purity chemical distribution networks. Its smooth internal surface and inert construction ensure zero contamination, high chemical resistance, and long service life.

High Purity Venturi Injector

Key Feature of High Purity Venturi Injector
  • Non-mechanical injection system with no moving parts, ensuring long-term reliability.
  • Ultra-clean high purity materials prevent contamination and particle generation.
  • Highly efficient suction capability due to precision Venturi geometry.
  • Excellent chemical compatibility with aggressive acids, alkalis, and process chemicals.
  • Smooth internal surfaces minimize turbulence and protect fluid integrity.
  • Stable performance across varying flow and pressure conditions.
  • Leak-free weldable ends compatible with high-purity joining standards.
  • Ideal for dosing, blending, and vacuum-induced chemical feeding.
PVDF Venturi Injector (1)

Technical Details of High Purity Venturi Injector

Parameter Specification
Product Name High Purity Venturi Injector
Material Options PVDF High Purity, PFA, PP-H HP
Operating Principle Venturi-based vacuum chemical injection
Size Range 20 mm – 110 mm (custom sizes available)
Pressure Rating PN10 / PN16 (material dependent)
Temperature Range PVDF HP: -40°C to 140°C; PFA: -60°C to 220°C
Connection Type IR Welding, Butt Fusion, Socket Fusion
Chemical Resistance Excellent — suitable for acids, alkalis, UPW chemicals
Vacuum Suction Capacity 0.1–4.0 L/min (varies by size and flow rate)
Flow Requirement Minimum differential pressure required for suction
Surface Finish High-purity smooth finish, ≤ 0.5 μm Ra
Color Natural / Translucent (material dependent)
Compliance Standards SEMI F57, ASTM, DIN, ISO
Applications UPW dosing, semiconductor processing, pharma, biotech
Technical Measurement of High Purity Venturi Injector

Customization & Processing Options

Customizations Option Available for High Purity Venturi Injector

At Petron Thermoplast, we offer customized PVDF fittings to meet your specific system requirements.
Customization options include: