Home > Ring Type Joint Flanges (RTJ)
Ring-type joint (RTJ) flangesare essential parts of pipeline systems built to manage pressure efficiently and improve safety. Constructed from durable materials such as carbon steel, stainless steel and steel alloys, RTJ flanges deliver dependable strength and flexibility. Their simple design enables easy installation and steady operation at job sites. Commonly used across the electrical, oil, gas, and chemical industries, RTJ flanges serve an important function in system safety and boosting operational efficiency. RTJ flanges are recognized for their mechanical precision and durability, along with their reliability so for long-term dependability, making them unnecessary in industrial pipeline installations.
Dimensions :ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size :1/2″ (15 NB) to 48″ (1200NB)
Class :150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
DIN :DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673
BS : BS4504 , BS4504, BS1560, BS10
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Stainless Steel Ring Type Joint Flanges :
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Ring Type Joint Flanges :
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Ring Type Joint Flanges :
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
Low Temperature Carbon Steel Ring Type Joint Flanges: ASTM A350, LF2, LF3
Alloy Steel Ring Type Joint Flanges :
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Copper Alloy Steel Ring Type Joint Flanges : ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
Nickel Alloy Ring Type Joint Flanges :
ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020)
| Ring Type Joint Raised Face Flange | Raised Faced Ring Type Joint Flanges |
| ANSI B16.5 Ring Type Joint Flanges | Ring Type Joint Flange Dimensions |
| ASME B16.5 RTJ Flanges | ANSI B16.5 Class 150 Ring Type Joint Flanges |
| Stainless Steel Ring Type Joint Flanges Suppliers | SS Ring Type Joint Flange |
| Ring Type Joint Plate Flanges Dealer | ASME B16.47 Series A and B RTJ Flanges Exporter |
| ANSI B16.5 class 150 RTJ Flange Stockholder | ANSI 150 Ring Type Joint Flange Distributors |
| Carbon Steel Ring Type Joint Flange | High Quality RTJ Flanges Manufacturer |
| ASTM A182 Stainless Steel RTJ Flange | Duplex Steel Ring Type Joint Flange |
| Super Duplex Steel Ring Type Joint Forged Flange | Copper Nickel Ring Type Joint Pipe Flanges |
| High Nickel Alloy RTJ Flanges | Hastelloy Ring Type Joint Flanges Stockist |
| Titanium ASME B16.47 Series A and B RTJ Flanges | Inconel Ring Type Joint Flanges |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we hold an extensive inventory of more than 25,000 tons of top-quality materials kept readily in stock.
Reach out to us for a fast quote tailored to your needs.
We supply these Ring Type Joint Flanges in accordance with DIN, ISO, JIS or ANSI Standard.
Because Ring Type Joint Flanges offer outstanding mechanical properties and resist wear corrosion, and high temperatures, they see broad use across a range of industries. You’ll find these flanges commonly applied in the oil and gas, petrochemical, power generation, and aerospace sectors. They serve a key role in connecting equipment, valves, and piping systems. Thanks to their remarkable strength, toughness, and wear resistance, they are ideally suited for uses subjected to demanding operating conditions, including high temperatures, high pressures, and corrosive settings.
Yes, Ring Type Joint (RTJ) flanges are recyclable once they have been used. They are usually manufactured from recyclable materials like carbon steel, stainless steel, and steel alloys. Recycling these materials helps preserve resources and lessen environmental impact by reducing the demand for fresh raw materials and energy-intensive manufacturing processes. Recycled metals keep their properties and can be repurposed across a range of industrial applications, promoting sustainable practices and cutting down on waste within the manufacturing sector. Thus, recycling RTJ flanges supports environmental sustainability and resource efficiency throughout the industry.
Mail: sales@koasteel.nz
