Duplex Tube Fittings Manufacturer in Cape Town , South Africa

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Based in Cape Town, Cape Town, Themba Nickel Alloys has earned a solid reputation as a reliable manufacturer and supplier of top-notch alloy components, including their corrosion-resistant Duplex Tube Fittings. They’re well-known for providing high-strength, precision-engineered fittings that cater to a variety of industries operating in tough and corrosive conditions. The Duplex Tube Fittings from Themba Nickel Alloys are built to meet international quality and performance standards, ensuring secure, leak-free connections in demanding fluid and gas systems. With a strong technical background and a dedication to customer satisfaction, Themba Nickel Alloys stands out as a trustworthy partner for industrial piping and tubing solutions throughout South Africa and beyond.

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These Duplex Tube Fittings are crafted from stainless steel alloys featuring a dual-phase microstructure that balances austenite and ferrite, giving them a remarkable mix of strength and corrosion resistance. The commonly used grades, like Duplex 2205 and Super Duplex 2507, are particularly effective against stress corrosion cracking, pitting, and crevice corrosion, especially in environments rich in chlorides. These fittings typically boast tensile strengths between 620 and 900 MPa, performing reliably even under high-pressure and high-temperature conditions. Plus, Duplex Tube Fittings show excellent fatigue strength and weldability, making them perfect for long-term use in critical systems.

Duplex Tube Fittings Specifications

ASME B1.1 DSS Materials Standard & Specification
Straight fittings and tube adapters Elbows, crosses, and tees
ASTM A276, ASME SA479 ASTM A182, ASME SA182
PSI Pressure Ratings
  • High Pressure/ Low Pressure
  • 3000 PSI
  • 6000 PSI
  • 10000 PSI
  • 15000 PSI
  • 20000 PSI
  • 400 Bar
Pipe Threads
  • NPT (ASME B1.20.1, MILL-P-71058)
  • ISO Parallel – BSPP (BS 2779, ISO 228, JIS B 0202)
  • ISO Tapered – BSPT (BS 21, ISO 7, JIS B 0203)
  • ISO / BSP (Gauge) (ISO 228, BS 2779)
  • Unified (SAE) (ASME B 1.1)
Manufacturing range
  • DSS Instrumentation Fittings
  • SDSS Pneumatic Fittings
  • Duplex Steel S31803 Compression Fittings
  • 2205 Push-To-Connect Fittings
  • Alloy 2507 Hydraulic Fittings
  • UNS S31803 DSS Hydraulic Hose Fittings
  • DSS Double Ferrule Fittings
  • ASME SA276 Double Ferrule Fittings
  • ASTM A182 UNS S31803 Ferrule Fittings
  • UNS S32205 Twin Ferrule Fittings
  • WNR. 1.4462 SAF 2205 JIC Fittings
  • SS 2507 Flare Fittings
Features
  • Easy to disconnect and retighten.
  • Available in wide configurations
  • Various Sizes
  • Best choice for instrumentations, process & control systems
  • Zero leakage even under tough working conditions
  • Gaugeable Bodies
  • Excellent gas-tight seal
  • These Fittings are fully interchangeable with other brands like Swagelok
  • Leak-proof joints capable of satisfying high pressure vacuum and vibration application
Test & Certification ECE R110, EC-79, NACE MR0175/ISO 15156 and MR0103.
We also stock & supply
  • Swagelok Fittings
  • Parker Fittings
  • DK LOK Fittings
  • Hamlet Letlok Fittings
  • DUOLOK Fittings
  • GYROLOK Fittings
  • TYLOK Fittings
  • BILOK Fittings

Duplex Tube Fittings Chemical Composition

DENSITY MELTING POINT TENSILE STRESS YIELD STRESS (0.2%OFFSET) ELONGATION
7.8 g/cm3 1350 °C (2460 °F) Psi – 116000 , MPa – 800 Psi – 80000 , MPa – 550 15 %

Duplex Tube Fittings Mechanical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy Tube Fittings 8.89 g/cm3 1370 °C (2500 °F) Psi – 1,15,000 , MPa – 790 Psi – 52,000 , MPa – 355 40 %

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ISO Certified

Largest Inventory

On Time Deliveries

Customer Support

Largest Manufacturer and Supplier of Duplex Tube Fittings in Cape Town , South Africa

At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Tube Fittings in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.

Types of Duplex Tube Fittings

Duplex Tube Fittings
Duplex Welded Tube Fittings
Duplex Steel Compression Tube Fittings
Duplex Concentric Reducer Fittings
Duplex Buttweld Tube Fittings
Duplex Instrumentation Fittings

Contact us to get a quick quote for your requirement.

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

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Duplex Tube Fittings Uses

You’ll find Duplex Tube Fittings in a variety of sectors, including oil and gas, petrochemical, marine, chemical processing, desalination, and power generation. They’re perfect for connecting instrumentation tubing, hydraulic lines, and process piping in settings where corrosion resistance and pressure integrity are crucial. Common applications include offshore platforms, subsea systems, chemical reactors, and high-salinity water treatment plants. These fittings guarantee safe and durable connections, ensuring everything runs smoothly.

Aerospace Industry

Defense Industy

Food Processing Industry

Construction Industry

Oil and Gas Industry

Petro Chemical Industry