PTFE LINED AGITATOR
HG/T 3704 (PTFE-Lined Pipe & Equipment),ASME BPE-2022 (Bioprocessing Equipment),ISO 14661 (Thermoplastic Agitators)
HG/T 3704 (PTFE-Lined Pipe & Equipment),ASME BPE-2022 (Bioprocessing Equipment),ISO 14661 (Thermoplastic Agitators)
PTFE-Lined Agitator Technical Specifications
1. Design Standards
Primary Codes:
HG/T 3704 (PTFE-Lined Pipe & Equipment)
ASME BPE-2022 (Bioprocessing Equipment)
ISO 14661 (Thermoplastic Agitators)
Structural Design:
Dynamic balance: Grade G6.3 (ISO 1940-1)
Shaft seal: mechanical seals (EN ISO 21072)
Quality Verification:
Spark test: ≥15 kV zero penetration (ISO 2746)
Vacuum test: -0.09 MPa held 30 min no delamination
2. Material Specifications
Component | Material Options | Key Properties |
Metal Core | 316L/2205 Duplex | Torsional strength ≥400 MPa |
Lining | Virgin PTFE (2-3mm thick) | Chemical-proof |
Impeller | Glass-filled PTFE coated | Flexural deflection ≤1°/m |
Seal | SiC vs. Filled PTFE | Crystallization resistance |
3. Dimensions & Configuration
Parameter | Range |
Shaft Dia. | φ40–φ150 mm |
Impeller Type | Anchor/Paddle/Ribbon (No turbine) |
Speed | 10–300 rpm (Low-speed design) |
Pressure | -0.09 MPa ~ +1.0 MPa |
Temperature | -58°F ~ +392°F (ΔT≤36°F/h) |
4. Key Applications
Industry | Typical Use Cases |
Chemical | HCl/Mixed acid reactors, HF etching |
Pharmaceutical | Corrosive API synthesis, chlorinated solvents |
Electroplating | Chromic acid tank agitation |
Environmental | Waste acid regeneration, fluoride wastewater |
5. Technical Advantages
Unrivaled Corrosion Resistance: Handles HF, conc. H₂SO₄, aqua regia
Zero Metallic Contamination: Complies with USP Class VI & FDA 21 CFR 177.1550
Non-stick Performance: Surface tension 18 mN/m, residue adhesion <0.1%
Cost Efficiency: 50% savings vs. Hastelloy agitators, >8-year lifespan
Electrical Safety: Volume resistivity >10¹⁸ Ω·cm (anti-static)
