CleanTech Services Pte Ltd

Ultra High Purity Fittings

Category : Ultra High Purity (UHP) Products,

The Weld and Metal Face Seal Fittings are designed to provide secure, leak-free connections for ultra-high purity applications and industrial fluid systems. Sourced exclusively from our trusted partner, 𝗧𝗞-𝗙𝘂𝗷𝗶𝗸𝗶𝗻, and manufactured with high-grade stainless steel and precision sealing technology, these fittings ensure reliable performance, contamination control, and long-term durability in critical applications.

Product Types

Weld Fittings
- Manufactured using 316L stainless steel material
- Permanently heat code marked and traceable to original mill test certificates
- Electropolished components available with controlled internal surface finish
- 100% visual and helium leak inspected
- Internal surface roughness:
Metal face Seal Fittings
- Metal face seal design for ultra-low leakage
- Non-rotational female nut to minimize component stress
- Compatible with high-purity nickel and stainless steel gaskets
- Helium leak tested for critical gas applications

Material

316L Stainless Steel
316L Stainless Steel Remelted (VAR)
High-Purity Nickel (for specific configurations)

Available Surface Finish

Bright Annealed (BA)
Electropolished (EP)

Technical Specifications

Internal Surface Roughness
- EP: 0.7 µm Ry / 5 µin Ra
- BA: 3.0 µm Ry / 10 µin Ra
Pressure Rating
- Designed as per ASME / ANSI B31.3 standards
Temperature Rating
- Fittings: Up to 1000°F (537°C)
- Gaskets: Up to 600°F (315°C)
Helium Leak Rate
- Up to 1 × 10⁻⁹ atm·cc/sec (He)

Available Configurations

Straight Connectors
Elbows
Tees and Crosses
Bulkhead Connectors
Union Fittings
Caps and Plugs
Welded Assemblies

Quality, Cleaning & Packaging

Ultrasonic and deionized water cleaning
Cleaned, assembled, and packaged in Class 10 / Class 100 cleanroom environment
100% helium leak and visual inspection
Permanent heat code laser marking for material traceability
Cleanroom packaging for contamination control

The Weld and Metal Face Seal Fittings are engineered for use in ultra-high purity and corrosive environments such as semiconductor manufacturing, speciality gas delivery systems, and chemical processing plants. All products are sourced exclusively from our trusted partner, TK-Fujikin, ensuring the highest standards of quality, reliability, and performance. Manufactured from premium 316L stainless steel with advanced surface finishing, these fittings help minimize leaks and ensure consistent system performance over long period of time. Precision-machined sealing surfaces and strict quality control processes provide excellent resistance to leakage, pressure, temperature, and chemical exposure. Available in various configurations, these fittings support flexible system design while maintaining superior reliability and safety in demanding applications.