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Reducing Unions are manufactured from premium materials such as stainless steel, brass, or carbon steel, ensuring exceptional strength and corrosion resistance. Stainless steel versions are widely used in harsh industrial environments, while brass is preferred for plumbing and instrumentation due to its lightweight and rust-resistant properties. Carbon steel options are ideal for high-pressure and heavy-duty applications, offering maximum durability.
These fittings are designed to connect two tubes or pipes of different sizes securely, providing a smooth transition between them. The precision engineering ensures a leak-proof connection, maintaining the integrity of hydraulic, pneumatic, and fluid transfer systems. Their compact design allows them to be installed easily, even in tight spaces.
Reducing Unions are commonly used in industries such as oil & gas, chemical processing, water treatment, power generation, and instrumentation. They are ideal for creating branch lines or adapting piping sizes in complex systems. Their ability to handle varying pressures and temperatures makes them versatile for both industrial and commercial use.
With a threaded or compression design, Reducing Unions can be installed quickly without welding or specialized tools. This simplifies the assembly process and reduces labor time. They can also be easily disassembled for routine maintenance, repair, or system modifications, making them a cost-effective solution for piping networks.
Reducing Unions are manufactured according to ASTM, ASME, SAE, and ISO standards, ensuring quality, compatibility, and reliability. Each fitting undergoes strict quality checks and pressure testing to guarantee safe and efficient operation in demanding environments. Standard compliance also ensures easy integration with other components in existing systems.
Reducing Union
Imperial Size: 1/4″ to 2″ NB
Metric Size: 6mm to 50mm
Imperial Size: 1/4″ to 2″ NB
Metric Size: 6mm to 50mm
Manufacturing Standard – ASTM
Dimensional Standard – ASME / ANSI B 16.9
| Type | Grade |
|---|---|
| Nickel Reducing Union | 200 & 201 |
| Monel Reducing Union | 400, R-405 & K-500 |
| Inconel Reducing Union | 600, 601, 625 & 718 |
| Incoloy Reducing Union | 800, 800H, 800HT, 825, 925 & DS |
| Hastelloy Reducing Union | B-2, B-3, C-22, C-276, C-2000 & X |
| Cupro Nickel Reducing Union | Cu Ni 90/10 (C71500) / Cu Ni 70/30 (C70600) |
| Duplex Reducing Union | S32205 / S31803 / S31550 / S31254 |
| Super Duplex Reducing Union | SAF 2507, Zeron 100 & Ferralium 255 |
| Alloy 20 Reducing Union | Alloy 20 / Carpenter 20 |
| 254 SMO Reducing Union | 254 SMO |
| 904L Reducing Union | SS 904L |
| Titanium Reducing Union | Gr.2 & Gr.5 |
| Nitronic Reducing Union | Nitronic 30, Nitronic50, Nitronic60 |
| Stainless Steel Reducing Union | 304, 304L, 316, 316L, 316H, 321, 321H, 347, 446 |
Reducing Unions are built using high-quality stainless steel, brass, or carbon steel, ensuring excellent durability and corrosion resistance. Their robust construction makes them ideal for demanding environments such as chemical plants, oil & gas facilities, and water treatment systems.
These fittings provide a secure and leak-proof connection between two tubes or pipes of different diameters. They are easy to install, maintain, and replace, making them a reliable solution for hydraulic, pneumatic, and fluid transfer applications where size adaptation is required.
As your one-stop manufacturing partner, Sunrise Industries maintains a complete inventory of ready-to-sell raw materials alongside custom parts fabrication and full engineering services. From prototyping to production, we provide everything at a single location—serving all industrial sectors and transforming manufacturing value chains.
