High Purity Blind Flange
The High Purity Blind Flange is a precision-molded fitting designed to seal off the end of a high-purity piping system or a flange connection. Manufactured from ultra-clean and chemically inert materials such as PFA, PVDF, or PTFE, this component provides a contamination-free solution for securely closing off unused ports, future expansion points, or isolated piping sections. Ideal for ultra-pure fluid and gas handling applications, the blind flange is used in environments requiring the highest levels of cleanliness and chemical compatibility.
Key Features of High Purity Blind Flange
- High-Purity Material Composition: Made from PFA, PVDF, or PTFE for contamination-free sealing.
- Leak-Tight Closure: Provides a secure seal for pipeline terminations or flange openings.
- Superior Chemical Resistance: Inert to aggressive chemicals, acids, and solvents.
- Thermal Stability: Maintains integrity at high operating temperatures.
- Reusable & Durable: Designed for easy installation and reliable performance over repeated use.
- Cleanroom Manufactured: Produced under ISO Class 100 or better conditions.
- Regulatory Compliance: Meets SEMI F57, FDA, and USP Class VI standards for high-purity applications.
Technical Information
| Parameter | Details |
|---|---|
|
Available Sizes |
1/2” to 4” (custom sizes available) |
|
Material Options |
PFA, PVDF, PTFE |
|
Connection Type |
Flanged (used with bolt and backing ring assemblies) |
|
Function |
Seals off ends of piping systems or flange openings |
|
Max Operating Temperature |
PFA/PTFE: up to 260°C
PVDF: up to 150°C
|
|
Pressure Rating |
Up to 150 psi at 20°C (depending on material and size) |
|
Surface Finish (Ra) |
< 15 µin (0.38 µm) for internal surfaces (PFA) |
|
Compliance Standards |
SEMI F57, ASTM D3307/D3222, FDA, USP Class VI |
|
Manufacturing Environment |
ISO Class 100 or better cleanroom |
|
Typical Applications |
Termination of high-purity pipelines, future expansion points, isolation |
High Purity Pipe Fittings Range
Petron Thermoplast
