SS Fittings
UNILOK® Weld & Metal Face Seal (UCR) Fittings
UNILOK® Weld & Metal Face Seal (UCR) fittings are engineered to deliver superior performance and high purity, utilizing advanced manufacturing expertise developed over years of experience. Designed for critical applications, these fittings ensure high-quality butt welding between tubes and fittings, guaranteeing a leak-free assembly.
Key Features:
Metal Face Seal (UCR) Fittings
Exceptional internal surface finish for high purity and optimal performance.
Silver-plated female threads provide ease of assembly, consistent make-up, and prevent galling.
Superior surface-finished gaskets ensure leak-tight installation, minimal clearance for removal, and easy maintenance.
Two test ports facilitate convenient leak testing.
Weld Fittings
Permanent laser markings identify the manufacturer, material, and process number, enabling easy traceability via heat codes.
Radius junctions allow for smooth flow transitions and eliminate entrapment zones.
Burr-free, square, and sharp tube butt weld (TBW) ends enhance alignment and maintain uniform tube wall thickness.
Exceptional internal surface finish supports high purity and high-performance applications.
Surface Finish Levels
| Designator | Average (μm) | Maximum (μm) |
|---|---|---|
| BA | < 0.4 | < 1.6 |
| EP | < 0.125 | < 0.4 |
Leak & Contamination Testing
Helium Leak Test: Rated to a helium leak rate of less than 1×10⁹ mbar.l/sec, in accordance with SEMA-90120391B-STD and SEMI F1-96..
Fittings Spec Sheets and Ordering Information
For more information on our full line of regulators, valves, 316L SS fittings and more, please contact a sales representative.