Stainless Steel Union
The Stainless Steel Union is a three-piece pipe fitting designed to connect two pipes securely while allowing easy disassembly without causing damage to the pipelines. Unlike couplings, unions can be removed and reinstalled multiple times, making them ideal for systems that require frequent maintenance, inspection, or replacement. Manufactured from high-quality stainless steel, these unions offer excellent corrosion resistance, strength, and durability in demanding industrial environments such as oil & gas, chemical processing, food & beverage, water treatment, and power generation.
Key Features of Stainless Steel Union
- Three-Piece Design – Allows easy installation and removal of pipes without disturbing the system.
- High Corrosion Resistance – Suitable for aggressive fluids, chemicals, and moisture-rich environments.
- Strong and Durable – Withstands high pressure and temperature conditions.
- Leak-Proof Joints – Precision machining ensures tight and secure connections.
- Reusable – Can be installed, removed, and reassembled multiple times.
- Versatile End Connections – Available in threaded, socket weld, and butt-weld configurations.
- Standard Compliance – Manufactured as per ASME, ASTM, DIN, and JIS specifications.
Technical Information
| Parameter | Details |
|---|---|
|
Product Name |
Stainless Steel Union |
|
Material Grades |
SS 304, SS 304L, SS 316, SS 316L, SS 321, Duplex Stainless Steel |
|
Standards |
ASME B16.11, MSS SP-83, DIN, JIS, ASTM |
|
Sizes Available |
½” to 4” (custom sizes available) |
|
Type |
Union (three-piece detachable connection) |
|
Thickness (Schedule) |
SCH 10, SCH 20, SCH 40, SCH 80, SCH 160 |
|
End Connection |
Threaded (NPT/BSP), Socket Weld, Butt-Weld |
|
Surface Finish |
Polished, Pickled, Sandblasted, Mirror Finish |
|
Pressure Rating |
Class 150 – 3000 (depending on design and connection type) |
|
Temperature Range |
-196°C to +870°C (depending on stainless steel grade) |
|
Applications |
Oil & gas, petrochemical plants, food & beverage, water supply, chemical processing, HVAC systems |
|
Manufacturing Process |
Forged, machined, seamless or welded construction |
Stainless Steel Pipe Fittings
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.
