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The Back Ferrule from Sunrise is an essential component in double ferrule compression fittings, working in conjunction with the front ferrule to create a strong and leak-proof connection. It provides additional support by gripping the tubing firmly, preventing it from moving or loosening under high-pressure or vibration conditions. Made with precision engineering, the Sunrise Back Ferrule ensures optimal performance in critical fluid and gas systems.
Manufactured using high-quality materials like stainless steel, brass, or special alloys, the Sunrise Back Ferrule offers excellent resistance to corrosion and wear. Its robust design enhances the mechanical strength of the fitting assembly, making it suitable for a wide range of industrial applications. Sunrise ensures that every ferrule meets stringent quality standards to guarantee reliability and long service life.
The primary function of the Back Ferrule is to hold the tubing firmly in place while the front ferrule forms the seal. This two-ferrule system ensures that there is no tube rotation during installation, reducing stress and potential leakage. Sunrise’s precision machining ensures perfect dimensional accuracy for seamless compatibility with standard tubing sizes.
Back Ferrules from Sunrise are widely used in industries such as oil and gas, petrochemicals, instrumentation, and pharmaceuticals. They are especially preferred in applications where frequent disassembly and reassembly are required, as they maintain sealing integrity even after multiple uses. Their ease of installation reduces maintenance time and costs.
By choosing Sunrise Back Ferrules, industries gain a reliable and cost-effective solution for secure tube fittings. With their high-pressure capability, temperature resistance, and compliance with international standards, Sunrise ensures that its ferrules deliver consistent and safe performance across various demanding environments.
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 Back Ferrule | 200 & 201 |
| Monel Back Ferrule | 400, R-405 & K-500 |
| Inconel Back Ferrule | 600, 601, 625 & 718 |
| Incoloy Back Ferrule | 800, 800H, 800HT, 825, 925 & DS |
| Hastelloy Back Ferrule | B-2, B-3, C-22, C-276, C-2000& X |
| Cupro Nickel Back Ferrule | Cu Ni 90/10 (C71500) / Cu Ni 70/30 (C70600) |
| Duplex Back Ferrule | S32205 / S31803 / S31550 / S31254 |
| Super Duplex Back Ferrule | SAF 2507, Zeron 100 & Ferralium 255 |
| Alloy 20 Back Ferrule | Alloy 20 / Carpenter 20 |
| 254 SMO Back Ferrule | 254 SMO |
| 904L Back Ferrule | SS 904L |
| Titanium Back Ferrule | Gr.2 & Gr.5 |
| Nitronic Back Ferrule | Nitronic 30, Nitronic50, Nitronic60 |
| Stainless Steel Back Ferrule | 304, 304L, 316, 316L, 316H, 321, 321H, 347, 446 |
The Back Ferrule is a key part of double ferrule compression fittings, working with the front ferrule to secure tubing in place. It prevents tube movement, enhances grip, and ensures a leak-free connection even under high pressure and vibration.
Sunrise Back Ferrules are made from premium materials with precise machining for durability and reliability. They are widely used in oil and gas, petrochemicals, and instrumentation industries, offering easy installation, corrosion resistance, and long-lasting performance.
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.
