Njabulo Stainless, based in Cape Town, South Africa, is a leading manufacturer and supplier of high-quality stainless steel components, including Stainless Steel RTJ Flanges. RTJ (Ring Type Joint) Flanges are precision-engineered flanges designed to provide a leak-proof seal in high-pressure and high-temperature piping systems. They are widely used in industries where safety, durability, and reliability are critical. Njabulo Stainless produces RTJ flanges with accurate dimensions and excellent surface finish, ensuring easy installation, tight sealing, and long-lasting performance. These flanges are suitable for chemical, oil, gas, and other industrial applications requiring robust piping connections.
Stainless Steel RTJ Flanges are typically made from grades 304, 304L, 316, and 316L stainless steel, offering excellent corrosion resistance, strength, and durability. They are designed to withstand high pressure and extreme temperature conditions without deformation or leakage. The RTJ groove allows the insertion of a metal ring gasket, creating a superior, leak-proof seal. These flanges exhibit high tensile strength, hardness, and impact resistance, making them suitable for both critical and standard piping systems. The smooth surface finish ensures long-term performance and resistance to wear, corrosion, and chemical attacks.
| Size | 1/2″ to 48″ |
| Standards | MSS SP44, ASA, ANSI B16.47 Series A & B, ANSI B16.5, API-605, AWWA, Custom Drawings. |
| Pressure Ratings | PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Pressure class | 150#, 300#, 600#, 1500# |
| Dimensions | BS3293, Table D, E, F, & H, ANSI, PN6, 10, 16, 25, 64 BS10, BS4504, MSS- SP-44, DIN Standards |
| Flange Face Type Manufacturer | Ring Type Joint (RTJ) |
| Coating/Surface Treatment | Oil Black Paint, Yellow Transparent, Anti-rust Paint, Zinc Plated, Cold and Hot Dip Galvanized. |
| Test | Hydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector |
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At Njabulo Stainless, the quality of our Stainless Steel RTJ Flanges undergoes rigorous testing procedures. Like hardness tests, chemical analyzing, PMI, flattening, micro/macro, pitting resistance, flaring, and IGC testing. Njabulo Stainless provides its clients with essential documentation regarding commercial invoices, packing lists, certificates of origin, and guarantee letters, as well as Third-Party Inspection Certificates, which promise reliability and client satisfaction with trustworthy performance. Thus, Njabulo Stainless has made a perfect partner for Stainless Steel RTJ Flanges, which provide high performance.
Yes, Stainless Steel RTJ Flanges are ideal for potable water applications due to their high corrosion resistance, non-toxic properties, and durability, ensuring safe water quality and reliable connections in residential and industrial systems.
Yes, Stainless Steel RTJ Flanges can be used for underground applications due to their exceptional corrosion resistance, strength, and durability, ensuring reliable performance and longevity even in harsh and moisture-prone environments.
Common grades of stainless steel used in RTJ flange manufacturing include 304/304L and 316/316L for corrosion resistance, 321 for high-temperature strength, and duplex grades like 2205 for superior durability in demanding environments.
Yes, Stainless Steel RTJ Flanges are highly recyclable. Stainless steel is a sustainable material, and these flanges can be recycled without losing their quality, making them an environmentally friendly option for various industries.
Stainless Steel RTJ Flanges are widely used in oil and gas, petrochemical, chemical, and power industries, where leak-proof, high-pressure connections are essential. They are ideal for pipelines carrying steam, gas, oil, acids, and other high-pressure fluids. RTJ flanges provide secure connections in refineries, chemical plants, and pressure vessel systems, ensuring safety and operational efficiency. They are also used in marine and offshore applications due to their resistance to corrosion and high strength. Overall, RTJ Flanges are critical components for industries requiring reliable, durable, and safe piping systems in challenging conditions.
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