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Iyle Tube Fittings is a trusted manufacturer and supplier of Duplex Steel Tube Fittings in South Africa. These fittings are designed to connect and secure tubes in pipelines that carry liquids or gases. Made from high-quality duplex stainless steel, they are highly durable, corrosion-resistant, and strong, making them ideal for harsh industrial environments. Duplex Steel Tube Fittings are widely used in industries such as oil and gas, chemical processing, water treatment, and marine applications. Iyle Tube Fittings ensures every fitting provides leak-free connections, smooth operation, and long-lasting performance, making them suitable for demanding industrial systems.
Duplex Steel Tube Fittings are made from duplex stainless steel, which combines austenitic and ferritic structures. This gives them excellent strength, toughness, and corrosion resistance, especially against chloride-induced corrosion. They can handle high pressures and temperatures while maintaining leak-proof performance. The threads and sealing surfaces are precise, often paired with PTFE (Teflon) or other sealing materials for secure connections. Duplex Steel Tube Fittings are durable, resistant to wear, and maintain reliable performance even in harsh chemical, marine, and industrial environments.
| Specification | ASTM A276, ASTM A182 ASME SA479, ASME SA182 |
| Tube Size | 1/16 OD to 2 OD, Od to 50mm OD |
| Type | Seamless/ Welded/Fabricated |
| Thread | BSPT, UNF, SAE, BSP, NPT, ISO, etc. |
| Material Grades | Duplex 2205 Duplex S31803 Duplex S32205 |
| PTFE Standard | ASTM D1710 and D3294 |
| Pressure Rating | 1000/300/6000/3000/10000 PSI for Duplex Steel |
| Temperature | 150-400°C |
| PACKING DETAIL | size of the wooden box – 38*27*17CM size of carton – 21*16*14CM/31*21*16CM/36*45*50CM |
Duplex SS Seamless Compression Fittings :
Size: 1/8 to 2
Pressure Rating: 3000 psi to 10000 psi
Threads: NPT, BSPT, BSPP
Duplex SS Welded Compression Fitting and Tube Adapters :
Size: 24 to 94 and Custom
Pressure Rating: 30000 psi to 10000 psi
Threads: NPT, BSPT, BSPP
| Threads Dimension of BSPP and BSPT | |||||||||
| SIZE | PITCH & SIZE | OD THREAD | OD THREAD | ID THREAD | ID Thread | ||||
| DASH | BSPP & BSPT | MALE BSPT | MALE BSPP | FEMALE BSPT | FEMALE BSPP | ||||
| Inch to TPI | mm | inch | mm | inch | mm | inch | mm | inch | |
| -4 | 1/4 to 19 | 12,8 | 0.5 | 13,0 | 0.51 | 11,2 | 0.44 | 11,9 | 0.47 |
| -2 | 1/8 to 28 | 9,5 | 0.37 | 9,6 | 0.38 | 8,4 | 0.33 | 8,6 | 0.34 |
| -6 | 3/8 to 19 | 16,3 | 0.64 | 16,5 | 0.65 | 14,7 | 0.59 | 15,2 | 0.6 |
| -10 | 5/8 to 14 | 22,5 | 0.89 | 22,8 | 0.9 | 20,6 | 0.81 | 20,8 | 0.82 |
| -8 | 1/2 to 14 | 20,4 | 0.8 | 20,8 | 0.82 | 18,3 | 0.72 | 19,1 | 0.75 |
| -12 | 3/4 to 14 | 25,9 | 1.02 | 26,3 | 1.04 | 23,9 | 0.94 | 24,6 | 0.97 |
| -20 | 1.1/4 to 11 | 41,1 | 1.62 | 41,8 | 1.64 | 38,6 | 1.52 | 39,4 | 1.55 |
| -16 | 1 to 11 | 32,6 | 1.28 | 33,1 | 1.3 | 29,7 | 1.17 | 30,7 | 1.21 |
| -24 | 1.1/2 to 11 | 47,0 | 1.85 | 47,7 | 1.88 | 44,5 | 1.75 | 45,5 | 1.79 |
| -40 | 2.1/2 to 11 | 74,1 | 2.92 | 75,1 | 2.95 | 71,9 | 2.83 | 72,6 | 2.86 |
| -32 | 2(11) | 58,6 | 2.31 | 59,5 | 2.34 | 56,4 | 2.22 | 57,4 | 2.26 |
| -48 | 3 to 11 | 86,6 | 3.41 | 87,9 | 3.46 | 84,6 | 3.33 | 85,4 | 3.36 |
Contact us to get a quick quote for your requirement.
Duplex Steel Tube Fittings are used wherever strong, durable, and corrosion-resistant connections are needed. They are widely used in oil and gas pipelines, chemical plants, water treatment facilities, and marine applications. They are ideal for handling aggressive liquids and gases under high pressure and temperature. Duplex Steel Tube Fittings ensure leak-free, safe, and reliable connections, reducing maintenance and preventing system failures. Their main advantage is providing long-lasting performance in demanding environments, making them essential for industrial, chemical, and marine systems where both strength and corrosion resistance are critical.
Please feel free to contact us if you need any further information or for enquiry.
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