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Caps are manufactured from premium materials such as stainless steel, brass, carbon steel, and sometimes plastic, ensuring durability and corrosion resistance. Stainless steel caps are widely used in harsh environments due to their superior strength, while brass caps are commonly preferred for plumbing and instrumentation because of their anti-rust properties. Carbon steel caps are ideal for heavy-duty applications where high pressure and temperature resistance are required.
These fittings are designed to close the end of a tube, pipe, or fitting securely, preventing the entry of dirt, debris, and moisture. They also help in maintaining the internal pressure of a system while ensuring a leak-proof seal. By protecting the open ends, caps enhance the lifespan of the piping network and reduce the risk of contamination.
Caps are used in a wide range of industries, including oil & gas, chemical processing, power plants, water treatment, and food & beverage. They are essential in hydraulic and pneumatic systems, as well as in fluid handling applications, where sealing the pipe ends is critical for safety and operational efficiency.
Thanks to their simple design, caps can be easily installed without the need for special tools. They can be threaded, welded, or compression-type, depending on the application. Their easy installation also allows for quick removal whenever maintenance, cleaning, or extension of the piping system is required, minimizing downtime.
Caps are manufactured according to ASTM, ASME, SAE, and ISO standards to ensure quality, compatibility, and reliability. Each cap undergoes strict quality checks and pressure testing to guarantee safety and durability in high-demand applications. Standardization also makes them compatible with other piping components used in different industries.
Caps
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 Cap | 200 & 201 |
| Monel Cap | 400, R-405 & K-500 |
| Inconel Cap | 600, 601, 625 & 718 |
| Incoloy Cap | 800, 800H, 800HT, 825, 925 & DS |
| Hastelloy Cap | B-2, B-3, C-22, C-276, C-2000 & X |
| Cupro Nickel Cap | Cu Ni 90/10 (C71500) / Cu Ni 70/30 (C70600) |
| Duplex Cap | S32205 / S31803 / S31550 / S31254 |
| Super Duplex Cap | SAF 2507, Zeron 100 & Ferralium 255 |
| Alloy 20 Cap | Alloy 20 / Carpenter 20 |
| 254 SMO Cap | 254 SMO |
| 904L Cap | SS 904L |
| Titanium Cap | Gr.2 & Gr.5 |
| Nitronic Cap | Nitronic 30, Nitronic50, Nitronic60 |
| Stainless Steel Cap | 304, 304L, 316, 316L, 316H, 321, 321H, 347, 446 |
Caps are made from high-quality materials like stainless steel, brass, carbon steel, or plastic to provide excellent durability and corrosion resistance. Their strong construction makes them suitable for harsh environments, ensuring reliable performance in industrial, commercial, and plumbing applications.
These fittings are designed to close the ends of pipes or tubes securely, preventing leakage, contamination, or damage. Easy to install and remove, caps are ideal for hydraulic, pneumatic, and fluid transfer systems where a tight and leak-proof seal is essential.
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.
