Unions & Hex Bushings
Our high-performance Stainless Steel (SS) Unions and Hex Bushings are meticulously crafted to provide unmatched resistance to corrosion, oxidation, and pitting. Available in premium grades such as SS 304, SS 316, and SS 316L, these stainless steel fittings are essential for maintaining hygienic, rust-free connections in demanding environments. They are widely utilized across the food and beverage, pharmaceutical, chemical processing, and petrochemical industries, ensuring reliable structural integrity and preventing fluid contamination even under harsh operational conditions.
Key Features
✓ Easy Disconnection for System Maintenance (Unions)
✓ Compact Diameter Reduction for Threaded Ports (Bushings)
✓ Metal-to-Metal or Soft Seating for Leak-Proof Reliability
✓ High Resistance to Vibration & Mechanical Stress
Product Specifications
| Parameter | Details |
|---|---|
| Product Form | Forged Union (M&F / F&F), Hex Head Bushing, Stainless Steel Unions & Bushings |
| Material of Construction | Stainless Steel (SS 304, SS 316, SS 304L, SS 316L) |
| Size Range | 1/8" NB to 4" NB |
| Pressure Class | 2000#, 3000#, 6000#, 9000# |
| Connection Types | Threaded (NPT, BSPP, BSPT), Socket Weld (SW) |
| Union Seat Type | Stainless Steel to Stainless Steel, Bronze to Steel (Ground Joint) |
| Design Standard | ASME B16.11, MSS-SP-83 (Unions), BS 3799 |
| Surface Treatment | Pickled & Passivated (for SS), Electro-Galvanized, Black Phosphated, Anti-rust Oiled |
| Testing | Hydrostatic, Thread Gauge Audit, PMI, Visual Inspection |
| Certification | MTC EN 10204 3.1, NACE MR0175 / MR0103 Compliance |
Precision Forged & Stainless Steel Unions & Hex Bushings Size Chart
| Nominal Size | Schedule / Wall | Length | Recommended Use |
|---|---|---|---|
| 1/2" NB - 1" NB | SCH 10 / 40 / 80 | 6 mtr single random | Utility and process lines |
| 1-1/2" NB - 4" NB | SCH 10 / 40 / 80 / 160 | 6 mtr / 12 mtr | Plant piping and fabrication |
| 6" NB - 12" NB | STD / XS / XXS | As per requirement | High-flow pipelines |
| 14" NB and above | Custom wall thickness | Custom length | Project and structural service |
| Custom Requirement | Custom sizes, stainless steel grades (e.g., SS 304, SS 316, SS 316L), finishes, and drawings are available on request. | ||