Harshita Stainless is a leading manufacturer and supplier of Delhi-based Stainless Steel RTJ Flanges in India. RTJ flanges are utilized for high-temperature and high-pressure applications where leak-tight sealing is imperative. These flanges utilize a metal ring in a precision-machined groove to create a tight, compression-sustained strong seal. Harshita Stainless offers RTJ flanges in different materials and sizes for offshore, refining, and chemical industries in India.
RTJ flanges are manufactured using SS 316, 316L, 304, and 321 materials with tensile strength as high as 700 MPa and superior thermal stability. Corrosion resistance is offered by chromium (18–20%) and nickel (8–12%), while molybdenum is included for enhanced performance with chlorides and chemicals. The flanges can withstand up to Class 2500 pressure ratings.
| 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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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.
RTJ Flanges find applications in offshore oil platforms, high-pressure steam lines, petrochemical facilities, and power generation systems. Their leak-proof joint design provides seal in critical pressure systems. They find frequent application in Class 600 to 2500 piping where vibration, harsh pressure, and temperature necessitate accuracy of sealing. Harshita Stainless provides RTJ flanges in Delhi and India for mission-critical engineering systems.
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