Duplex tube fittings are widely used in industries where both high strength and superior corrosion resistance are required.
As a trusted Duplex tube fittings manufacturer, supplier, and exporter, Renaissance Fittings and Pipes delivers precision-engineered fittings designed for demanding applications such as offshore, chemical processing, oil & gas, and high-pressure systems.
Manufactured using advanced duplex stainless steel grades, these fittings combine the benefits of austenitic and ferritic structures. This results in higher mechanical strength, improved resistance to stress corrosion cracking, and better durability compared to conventional stainless steel fittings.
For engineers and procurement teams, selecting duplex fittings means reduced maintenance, longer service life, and consistent performance in aggressive environments.
Duplex stainless steel offers nearly twice the yield strength of 304 and 316 grades. This allows the use of thinner sections without compromising performance, making systems more efficient and cost-effective. especially useful in high-pressure instrumentation systems.
Duplex tube fittings are specifically designed to perform in chloride-rich and corrosive environments. Their resistance to pitting, crevice corrosion, and stress corrosion cracking makes them ideal for marine and offshore industries.
Due to their metallurgical properties, duplex fittings require less frequent replacement and maintenance. This reduces operational downtime and overall lifecycle cost, a key consideration for industrial buyers.
Double ferrule designs ensure leak-proof connections under vibration, pressure fluctuations, and temperature variations in precision systems.
Complete range including unions, elbows, and tees designed for flexibility in system design and secure tubing connections.
Manufactured as per drawings ensuring compatibility with unique operational requirements and complex industrial systems.
| Parameter | Range | Application | Key Benefit |
|---|---|---|---|
| Tube Size | 1/8” to 2” | Instrumentation | Precise fit |
| Wall Thickness | ASME Standards | High-pressure | Strength & durability |
| Dimensional Tolerance | Tight controlled | Critical applications | Leak-proof sealing |
| Surface Finish | Smooth | Precision | Better sealing |
Even small deviations can lead to improper sealing. Our duplex fittings are manufactured with precision machining processes to ensure consistent quality, easy installation, and reliable performance.
| Parameter | Standard Range | Advantage |
|---|---|---|
| Pressure Rating | Up to 10000+ PSI | Reliable sealing under load |
| Sealing Type | Double ferrule | Zero leakage performance |
| Corrosion Resistance | Excellent | Extended service life |
| Thread Type | Standard | Usage | Compatibility |
|---|---|---|---|
| NPT | ASME B1.20.1 | Oil & gas | Widely used globally |
| BSPT | ISO 7 | Industrial piping | Tapered sealing |
| SAE | ASME B1.1 | Hydraulic | High-pressure systems |
| Grade | UNS Number | Applications |
|---|---|---|
| Duplex 2205 | S31803 / S32205 | Oil & gas, marine |
| Super Duplex | S32750 / S32760 | Offshore, desalination |
| Lean Duplex | S32304 | General industrial |
| Standard | Scope | Use |
|---|---|---|
| ASTM A182/276 | Material | Global industrial |
| ASME B31.3 | Process | Oil & gas |
Extensively used in platforms and subsea systems where seawater exposure requires superior resistance.
Handles aggressive fluids and high temperatures while maintaining system integrity and safety.
Resistance to chloride attack makes them widely used in desalination plants and power systems.
Strict quality control ensures each fitting meets international standards reliably.
experienced exporter supplying to global markets with proper documentation and logistics.
Inventory for standard sizes and custom manufacturing for project-specific needs.
Share your requirement details like size and grade. We provide faster and more accurate quotations.
Our team is ready to assist with technical details and availability to finalize your purchase with ease.