Site icon Petromat

RTJ Flange / Ring Type Joint Flange

Ring Type Joint Flange Suppliers in India

ANSI/ASME B16.5/B16.47 Ring Type Joint Flanges
RTJ Flanges Manufacturers in Mumbai India

We offer Comprehensive Range of Ring Type Joint Flanges in SS 304/304L, SS 316/316L as per the international quality standards – ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN, JIS, SABS1123, GOST-12820 in Class – 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS.

We are Most Reliable and PED Certified Stockists, Manufacturers, and Exporters of ASME B16.47/ANSI B16.5 RTJ Flange, MSS SP-44 Ring Type Joint Flange, DIN86029 PN10 Ring Type Joint Flange, Series A & B Ring Type Joint Flange.

Table Of Content

Industries We Served Happily

We keep huge preminum quality product stock of Class 150 Ring Type Joint Flat Faced Flange, Raised Face Ring Type Joint Flange, Ring Type Joint Forged Flange, Ring Type Joint Plate Flange, Class 300, 600, 900, 1500 Ring Type Joint Flange. Get here at Market Leading Prices in Mumbai, India.

Ring Type Joint Flanges Specifications

Type RTJ / Ring Type Joint Flange
Size ½” (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.
Dimensions ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Standard ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN, JIS, SABS1123, GOST-12820
BS BS4504 , BS4504, BS1560, BS10
DIN DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673
Coating / Surface Treatment Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
In Form SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc
Flange Face Type Flat Face (FF), Raise Face (RF), Ring Joint (RJT)
Connection Type Ring Type Joint, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove
Usage Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.
Packing No Fumigate or Fumigate Plywood/Wood Pallet or Case

Petromat Oil & Gas Equipment Pvt. Ltd offers a good range of Ring Type Joint flanges within the grade SS 304, 304L, 304H, 316, 316L, 316H. Anti rust coating of transparent lacquer and oil are applied to the raw materials them make them corrosion free and protracted. Our well-developed and systematic workforce comprised of trained and experienced professionals supported us to guide our organization before the others. As we are very sincere about our clients’ satisfaction we manufacture and provide the products consistent with the customers specifications and requirements across the Indian markets. We are ready to keep ourselves before other organization while maintaining the clients’ trust and faith intact. We have created a distinguished reputation within the domestic and international markets by serving them for several years. Our organization is proudly affiliated with Apex Chamber of Commerce and our gamut is created in accordance of international standards like AWWA, DIN, BS, IIS and CZECH. The RTJ Flange we manufacture collect positive response and appreciation from our customers. Thanks to their durable and resistant properties. We are having experienced in globally supplying these SS Elbow to vary countries like the UAE, Vietnam, Czech, Qatar, Thailand, Turkey, Italy, Iran, Philippines.

A Ring Type Joint Flange is a sort of flange that uses a metal ring that sits during a hexagonal groove as a gasket to seal the flange pair. The flanges seal when the bolts are tightened and therefore, the gasket is compressed into the groove making a metal to metal seal. An RTJ flange usually features a raised face with the groove machined into the face of the flange. The raised face doesn’t function how to contain the pressure.

An RTJ flange is a raised face with a ring groove machined into it. This raised face doesn’t function any a part of the sealing means. For RTJ flanges that seal with BX ring gaskets, the raised faces of the connected and tightened flanges may contact one another.

RTJ joints are used for top pressures (Class 600 or over) and/or high temperatures (above 427 °C (882 °F)). They feature machined grooves during which a metallic ring joint is fitted. When the bolts are tightened, the metal joint is compressed between the 2 flanges and is deformed so on create a metal-to-metal contact. But this face doesn’t play any role within the sealing capacity of the unit.

Check Ring Type Joint Flange Dimentions Table:

Class 150 WN RTJ Flange Dimensions | Class 300 WN RTJ Flange Dimensions | Class 400 WN RTJ Flange Dimensions | Class 600 WN RTJ Flange Dimensions | Class 900 WN RTJ Flange Dimensions | Class 1500 WN RTJ Flange Dimensions | Class 2500 WN RTJ Flange Dimensions

ANSI B16.47 Stainless Steel Ring Type Joint Flanges Manufacturing Standards

ASME Standard ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, UNI 2277/2278,, JIS, SABS1123, GOST-12820
DIN Standard DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673
EN Standard EN1092
ASTM A182 – ASME SA182 Standard Specification for Wrought Austenitic SS Pipe Flanges
MSS SP-44 Ring Type Joint Flange

Ring Type Joint Flanges Materials and Grades

Stainless Steel Ring Type Joint Flange
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel Ring Type Joint Flange
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52
Low Temperature Ring Type Joint Flange
ASTM A350 LF2, LF3, LF6
Alloy Steel Ring Type Joint Flange
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex & Super Duplex Steel Ring Type Joint Flange
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Nickel Alloy Ring Type Joint Flange
UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200)
High Yield Ring Type Joint Flanges
ASTM A694 F42, F52, F60, F65, F70

Ring Type Joint Flanges Dimensions Tolerance

Outside Diameter:

≤ 24 = 1.6 mm | > 24 = ± 3.2 mm

Inside Diameter:

not applicable

Diameter of Contact Face:

1.6 mm Raised Face = ± 0.8 mm6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm

Outside Diameter of Hub:

≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm

Diameter of Counterbore:

not applicable


Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mmEccentricity of Bolt Circle with Respect to Facing≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.


≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0

Length thru Hub:

≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm

Designs of RTJ flanges

There are two differing types of RTJ flange designs, oval and octagonal cross sections. both types having a identical pitch diameters, octagonal cross sections are more widely used because of higher sealing efficiency with pressures up to 10,000 PSI.

There are other ranges of RTJ flanges that are adapted to deal with both a better pressure (up to 15,000 PSI) and a lower pressure (up to 5,000 PSI). These are called RX and BX styles respectively. The standardized designs of those sometimes includes a pressure passage hole which is made to equalize the pressure on the sealing faces. Sometimes, the internal pressure of flanges and gaskets means no hole is required because the seal pressure balance is maintained internally within the pipeline already.

Benefit of RTJ flanges

The advantage of RTJ flange’s is that the gasket is confined during a groove and has two sealing surfaces. It also tends to be self-actuating,, the sealing pressure, a minimum of on one side, tends to extend with increased service pressure.

Characteristics of RTJ Flanges

The effect of getting used first within the petrochemicals industry means the flanges offer an outstanding metal-to-metal seal under high pressures and high temperatures too. The RTJ flanges typical characteristics include matching groove cuts on the face, and when the bolts are tightened, the gaskets compress into each other providing a strong and robust connection — which is additionally very easy to assemble and disassemble.

Advantages of Ring Type Joint Flanges

Ring Type Joints used for sealing high up to 20,000 psi. RTJ Gaskets are often produced from a spread of material to suit the method application and flange grade. RTJ’s are a particularly reliable and robust sealing.

Disadvantages of Ring Type Joint Flanges

The potential for crack formation at the intersection of the edges and bottom of the groove in RTJ flanges. These cracks can propagate into the bottom metal. They will be prevented by properly contouring the groove intersections, but avoiding the “problem” geometry all at once was preferred.

Ring type joint grooves can also accumulate dirt, moisture, etc when the flange is open, i.e., they’re harder to stay clean. A small amount of injury (including corrosion) on the narrow sealing surface(s) may cause a leak. Also, because the use of RTJ’s declined, warehousing (and finding) the right gasket(s) became a more important concern. Another factor is the grooves and gasket must align properly to assemble the flange and acquire a seal. They need to stay aligned throughout the operating cycle. The latter point becomes a problem when mating flanges is made from different materials, and not providing different hardness materials for flange and ring, and also thermal expansion is a concern. The primary point is a problem at the initial assembly but are often more of a priority at reassembly after service.

In those cases where dissimilar joint materials are in touch and where the piping is 10” nominal size or larger the use of RTJ Flange is strongly not recommended. Thanks to various natures of the 2 materials, ring joint flanges would experience local stresses thanks to differential expansion that potentially could lead on to ring groove cracking. There are known cases of ring type joint flange failures that have led to loss of reactor containment.

Stainless Steel Ring Type Joint Flanges Types and Forms Availability

Top Nations We Export and Supply Forged Ring Type Joint Flanges

  • Afghanistan
  • Algeria
  • Angola
  • Argentina
  • Australia
  • Austria
  • Azerbaijan
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Bhutan
  • Bolivia
  • Brazil
  • Bulgaria
  • Canada
  • Chile
  • China
  • Colombia
  • Costa Rica
  • Croatia
  • Czech Republic
  • Denmark
  • Ecuador
  • Egypt
  • Estonia
  • Finland
  • France
  • Gabon
  • Ghana
  • Greece
  • Hong Kong
  • Hungary
  • India
  • Indonesia
  • Iran
  • Iraq
  • Israel
  • Italy
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Kuwait
  • Lebanon
  • Libya
  • Lithuania
  • Malaysia
  • Mexico
  • Mongolia
  • Morocco
  • Netherlands
  • New Zealand
  • Nigeria
  • Norway
  • Oman
  • Pakistan
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Qatar
  • Romania
  • Russia
  • Saudi Arabia
  • Serbia
  • Singapore
  • Slovakia
  • South Africa
  • South Korea
  • Spain
  • Sri Lanka
  • Sweden
  • Switzerland
  • Taiwan
  • Thailand
  • Trinidad & Tobago
  • Tunisia
  • Turkey
  • Ukraine
  • United Arab Emirates (UAE)
  • United Kingdom (UK)
  • United States (US)
  • Venezuela
  • Vietnam
  • Yemen

  • Aberdeen
  • Abu Dhabi
  • Afghanistan
  • Ahmedabad
  • Ahvaz
  • Al Jubail
  • Al Khobar
  • Algiers
  • Ankara
  • Atyrau
  • Bangkok
  • Bengaluru
  • Bhopal
  • Bogota
  • Brisbane
  • Busan
  • Cairo
  • Calgary
  • Caracas
  • Chandigarh
  • Chennai
  • Chiyoda
  • Coimbatore
  • Colombo
  • Courbevoie
  • Dallas
  • Dammam
  • Doha
  • Dubai
  • Edmonton
  • Ernakulam
  • Faridabad
  • Geoje-si
  • Gimhae-si
  • Granada
  • Gurgaon
  • Hanoi
  • Haryana
  • Ho Chi Minh City
  • Hong Kong
  • Houston
  • Howrah
  • Hyderabad
  • Indore
  • Istanbul
  • Jakarta
  • Jeddah
  • Karachi
  • Kolkata
  • Kuala Lumpur
  • Kuwait City
  • La Victoria
  • Lagos
  • Lahore
  • London
  • Los Angeles
  • Ludhiana
  • Madrid
  • Manama
  • Melbourne
  • Mexico City
  • Milan
  • Montreal
  • Moscow
  • Mumbai
  • Muscat
  • Navi Mumbai
  • New Delhi
  • New York
  • Noida
  • Perth
  • Petaling Jaya
  • Pimpri-Chinchwad
  • Port-of-Spain
  • Pune
  • Rajkot
  • Rio de Janeiro
  • Riyadh
  • Santiago
  • Secunderabad
  • Seoul
  • Sharjah
  • Singapore
  • Surat
  • Sydney
  • Tehran
  • Thane
  • Thiruvananthapuram
  • Toronto
  • Ulsan
  • Vadodara
  • Visakhapatnam
  • Vung Tau

Stainless Steel Ring Type Joint Flanges Applications

Off-Shore Oil Drilling Companies Power Generation Gas Processing Petrochemicals
Pharmaceutical Equipment Specialty Chemicals Chemical Equipment Pharmaceuticals
Pulp & Paper Industry Sea Water Equipment Heat Exchangers Condensers

Call +91 99679 94496 / +91-22-2388 3775 / 76 OR
Email us at for quick response

Exit mobile version