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Rudra Tubefittings, a reputable manufacturer and supplier located in Kolkata, India, specializes in top-notch Duplex Steel Tube Fittings that are crafted for dependable, leak-proof connections in tough industrial piping and instrumentation systems. Built to withstand corrosion, mechanical stress, and the test of time, these fittings guarantee long-lasting performance even in high-pressure and harsh chemical environments. At Rudra Tubefittings, every Duplex Steel Tube Fitting is made to meet international quality standards, showcasing precision engineering and sturdy construction. These fittings are widely utilized in sectors like chemical, petrochemical, offshore, oil and gas, and power generation, enhancing safety, operational efficiency, and reliable fluid handling in critical industrial settings.
Manufactured from high-quality duplex stainless steel, Duplex Steel Tube Fittings blend austenitic and ferritic microstructures to offer exceptional resistance to corrosion, pitting, and stress cracking. They boast impressive tensile strength, toughness, and stability even under high pressure and temperature conditions. With precision-engineered threads and connections, these fittings ensure a leak-proof assembly, easy installation, and consistent performance. The combination of mechanical durability and chemical resistance makes Duplex Steel Tube Fittings perfect for demanding industrial applications, providing long-term service, low maintenance, and dependable operation in challenging fluid-handling systems.
| 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.
These fittings are extensively used in industries that require corrosion-resistant, high-strength, and reliable piping solutions. You’ll find them in chemical processing plants, petrochemical units, offshore platforms, oil and gas pipelines, and power generation facilities. They effectively connect tubes, pipes, and instrumentation lines while ensuring leak-proof performance and maintaining system integrity. Additionally, they are essential in high-pressure and high-temperature fluid systems, hydraulic pipelines, and more.
Please feel free to contact us if you need any further information or for enquiry.
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