High Purity Check Valve
The High Purity Check Valve is a non-return valve specifically designed to prevent backflow in ultra-clean and corrosive fluid handling systems. Constructed from high-purity materials such as PFA, PTFE, or PVDF, it offers outstanding chemical resistance and contamination-free operation. Its precision design ensures one-way flow with minimal pressure drop, making it ideal for high-purity applications where system integrity and cleanliness are critical.
Key Features of High Purity Check Valve
- High-Purity Material Construction: Fabricated from ultra-clean PFA, PVDF, or PTFE to prevent contamination.
- Reliable Backflow Prevention: Automatically closes to stop reverse flow and maintain process direction.
- Compact and Lightweight: Suitable for space-constrained installations in modular systems.
- Excellent Chemical Compatibility: Resists aggressive acids, solvents, and corrosive fluids.
- Low Crack Pressure: Allows easy flow initiation with minimal system resistance.
- Cleanroom Manufactured: Assembled and tested in ISO Class 100 or better environments.
- No External Actuation Required: Self-operating with internal spring or gravity-assisted mechanism.
- Standards Compliant: Meets SEMI F57, FDA, and USP Class VI standards.
Technical Information
| Parameter | Details |
|---|---|
|
Size Range |
1/4″ to 2″ |
|
Body Materials |
PFA, PTFE, PVDF |
|
Seal Options |
PTFE, FKM (Viton), EPDM |
|
Connection Types |
Flare, Tube End, Socket Fusion, Spigot, Clamp |
|
Max Operating Pressure |
Up to 150 psi at 20°C (varies by size/material) |
|
Crack Pressure |
Typically 2–5 psi (customizable) |
|
Temperature Range |
PFA/PTFE: up to 260°C
PVDF: up to 150°C
|
|
Flow Direction |
Unidirectional (indicated on body) |
|
Internal Surface Finish |
Ra < 15 µin (0.38 µm) for PFA/PTFE |
|
Compliance Standards |
SEMI F57, ASTM D3222/D3307, FDA, USP Class VI |
|
Manufacturing Environment |
Typical Applications |
|
Typical Applications |
DI water systems, ultrapure chemical delivery, acid handling, solvent transfer |
High Purity Valves Range
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.
