Precision Flow Control for High-Purity & Corrosive Applications
PVDF Diaphragm Valve is a high-performance thermoplastic valve designed for precise flow control and isolation in aggressive chemical and high-purity piping systems. Manufactured from premium-grade Polyvinylidene Fluoride (PVDF), this valve offers exceptional chemical resistance, superior temperature stability, and contamination-free operation.
The diaphragm-based sealing mechanism ensures bubble-tight shut-off and prevents media contact with moving parts, making it ideal for critical process industries.
At ASK Innocomp, we supply precision-engineered PVDF Diaphragm Valves suitable for chemical processing plants, pharmaceutical facilities, semiconductor industries, and ultra-pure water systems.
Key Features
✔ Excellent Chemical Resistance – Suitable for strong acids, alkalis, and solvents
✔ High Temperature Capability – Continuous operation up to 140°C
✔ Bubble-Tight Shut-Off – Reliable diaphragm sealing system
✔ High Purity Design – Ideal for contamination-sensitive applications
✔ Corrosion-Free Construction – Long service life without rusting
✔ Low Maintenance Operation – Simple and durable mechanism
✔ Manual & Actuated Options Available – Handwheel / Pneumatic
Technical Specifications & Engineering Parameters
| Parameter | Engineering Specification |
|---|---|
| Available Size Range | 1/2" to 4" (DN15 - DN100) |
| Nominal Pressure Rating | PN10 (150 PSI) |
| Operating Temperature Range | -40°C to +120°C |
| End Connection Standards | True Union Socket, Spigot for Butt/IR Fusion, Flanged |
| Body & Wetted Materials | Two-Piece PTFE/EPDM Backed Diaphragm |
| Quality & Testing Protocol | 100% Spark Tested (20kV) & Hydrostatic Proof Tested to 1.5x Design Pressure |
| Design Standards | DIN 8077/78, ISO 10931, ASTM D3222, ASME B16.5, DVS 2205 |
Key Features & Operating Advantages
- Severe Chemical Immunity: Weir-type PVDF diaphragm valve designed for slurry handling, ultra-pure chemicals, and zero-dead-leg pharmaceutical processes.
- Zero Metallic Contamination: Eliminates galvanic corrosion and fluid contamination in pure chemical lines.
- Smooth Anti-Scaling Internal Geometry: Delivers minimum fluid head loss and prevents crystallization of salts.
- Long-Term Thermal & Mechanical Integrity: High creep strength and impact resistance under continuous plant load.
- Ex-Stock Dispatch & Mill Test Certification: Supplied with EN 10204 3.1 batch inspection test certificates.
Recommended Industrial Applications
- Acid Pickling & Galvanizing Lines: Concentrated Hydrochloric Acid (HCl 33%) and Sulfuric Acid (H2SO4) transfer.
- Chemical & Agrochem Manufacturing: Pesticide synthesis, organic acid handling, and raw material dosing skids.
- Electroplating & Surface Finishing: Acid copper, hard chrome, nickel baths, and rinse water piping.
- Water & Wastewater Treatment: Demineralized water (DM) plants, reverse osmosis (RO) loops, and effluent neutralization.