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Flange Fittings

Ring Type Joint Flanges (RTJ Flanges)

Precision-engineered Ring Type Joint Flanges designed for secure, high-pressure pipe connections, reliable sealing and demanding industrial and process piping applications.

Product Type:

Ring Type Joint Flanges / RTJ Flanges

Size Range:

1/2" NB to 84" NB

Standards:

ASME / ANSI / ASTM

Pressure Class:

150 to 2500 LBS

Application:

High-Pressure, Industrial & Process Piping

About This Product

Ring Type Joint Flanges (RTJ Flanges)

GS MetalFit supplies Ring Type Joint Flanges designed for piping systems where reliable sealing and secure flange connections are required under demanding operating conditions. RTJ flanges use a specially machined ring groove that accommodates a metallic ring gasket to provide a strong and dependable sealing arrangement.

Our RTJ flange range is available in stainless steel, carbon steel, alloy steel, duplex and super duplex steel, nickel alloys and copper-nickel materials. Products can be supplied in different sizes, pressure classes, flange configurations, material grades and dimensions according to specified project requirements.

Ring Type Joint Flanges are commonly selected for high-pressure and high-temperature piping systems, including critical industrial, process, oil and gas, petrochemical and power applications

Product Forms

01

RTJ Flange

02

WNRTJ Flange

03

Weld Neck RTJ Flange

04

Slip On RTJ Flange

05

RTJ Raised Face Flange

06

Stainless Steel RTJ Flange

07

Carbon Steel RTJ Flange

08

Alloy Steel RTJ Flange

09

Duplex Steel RTJ Flange

10

Super Duplex RTJ Flange

11

Nickel Alloy RTJ Flange

12

Copper Nickel RTJ Flange

Technical Specifications

Size
1/2" NB (15 NB) to 84" NB (2100 NB)
Standards
ANSI / ASME B16.5, ASME B16.47 Series A & B, MSS SP-44, API 605, AWWA and Custom Drawings
Pressure Class
150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS and 2500 LBS
Flange Face Type
Flat Face (FF), Raised Face (RF) and Ring Type Joint (RTJ)
BS Standards
BS 4504, BS 1560 and BS 10
DIN Standards
DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 and DIN 2673
Compliance
NACE MR0175 / ISO 15156

Materials & Grades

Stainless Steel Ring Type Joint Flanges

Available in ASTM A182 / A240 grades including F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H and 904L.

Duplex & Super Duplex Steel Ring Type Joint Flanges

Available in ASTM / ASME A/SA182 grades including F44, F45, F51, F53, F55, F60, F61, 2205 (UNS S31803) and 2507 (UNS S32750).

Carbon Steel Ring Type Joint Flanges

Available in ASTM / ASME A/SA105, A350, A181 LF2, A516 Grade 70, A36 and A694 grades including F42, F46, F52, F60, F65, F70, LF2 and LF3.

Alloy Steel Ring Type Joint Flanges

Available according to applicable ASTM / ASME A/SA182 and A387 specifications including grades F1, F5, F9, F11, F12, F22 and F91.

Copper & Cupro Nickel Ring Type Joint Flanges

Available in selected copper and copper-nickel grades including UNS C10100, C10200, C10300, C10800, C12000, C12200, C70600 and C71500, including Cu-Ni 90/10 and Cu-Ni 70/30 grades.

Nickel Alloy Ring Type Joint Flanges

Available in ASTM / ASME SB564, SB160, SB472 and SB162 materials including Nickel 200, Nickel 201, Monel 400, Monel K500, Inconel 600, Inconel 601, Inconel 625, Inconel 800, Inconel 825, Hastelloy C276 and Alloy 20.

Applications

01

Process Piping

02

Oil & Gas Facilities

03

Chemical & Petrochemical Plants

04

Power Generation Projects

05

Refineries & Industrial Plants

06

Marine & Offshore Applications

07

General Engineering & Fabrication

Why Choose GS MetalFit?

Wide Material Selection

RTJ flanges are available in stainless steel, carbon steel, alloy steel, duplex, super duplex, nickel alloys and copper-nickel grades.

High-Pressure Applications

Ring Type Joint Flanges are suitable for demanding piping systems where secure sealing and reliable flange connections are important.

Multiple Pressure Classes

Products can be supplied in pressure classes from 150 LBS to 2500 LBS according to specified requirements.

Different Flange Configurations

Weld neck, slip on and other specified RTJ flange configurations can be supplied based on project requirements.

Project-Based Specifications

Size, material grade, dimensions, pressure class, flange face and applicable standards can be selected according to customer drawings and technical specifications.

Ring Type Joint Flanges Manufacturer & Supplier

GS MetalFit supplies Ring Type Joint Flanges and RTJ Flanges for high-pressure, high-temperature and critical industrial piping applications. These flanges are designed with a machined ring groove that accommodates a metallic ring gasket, providing a reliable sealing arrangement for suitable piping systems.

Our RTJ flange range includes stainless steel, carbon steel, alloy steel, duplex, super duplex, nickel alloy and copper-nickel materials. Products can be supplied in different sizes, pressure classes, flange configurations and material grades according to specified project requirements.

Ring Type Joint Flanges are available for applications where dependable sealing performance is important under demanding pressure and temperature conditions. Weld neck RTJ and other specified configurations can be supplied according to piping design and project requirements.

Products can be supplied according to applicable ASME, ANSI, ASTM, MSS and other specified standards, with dimensions and material grades selected based on customer specifications.

Stainless Steel Ring Type Joint Flanges

GS MetalFit supplies stainless steel RTJ flanges in commonly specified grades such as 304, 304L, 316, 316L, 321, 347, 904L and other applicable grades. These flanges can be selected for industrial piping systems where corrosion resistance and dependable flange performance are required.

Carbon Steel & Alloy Steel RTJ Flanges

Carbon steel and alloy steel RTJ flanges are available for applications where mechanical strength, pressure resistance and reliable pipe connections are important. Material options include ASTM A105, A350, A182 and A387 grades, subject to specified project requirements.

Duplex, Super Duplex & Nickel Alloy RTJ Flanges

For more demanding environments, GS MetalFit supplies duplex, super duplex and nickel alloy Ring Type Joint Flanges in materials such as UNS S31803, UNS S32205, UNS S32750, Nickel 200, Monel 400, Monel K500, Inconel 600, Inconel 625, Inconel 825, Hastelloy C276 and Alloy 20.

These material options can be considered for applications involving corrosive process media, elevated temperatures and other specialized industrial operating conditions.

Ring Type Joint Flanges for Industrial Project Requirements

GS MetalFit supports enquiries for Ring Type Joint Flanges used in oil and gas facilities, refineries, chemical and petrochemical plants, power projects, process industries, marine applications and general engineering systems.

Products can be supplied according to specified size, pressure class, material grade, flange configuration, dimensions, applicable standards and customer drawings.

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