Duplex Steel Ring Type Joint Flanges
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Duplex Steel Ring Type Joint Flanges

Duplex RTJ Flange have grooves cut into their faces which steel ring gaskets. These flanges seal when tightened bolts compress the gasket between the flanges into the grooves, twisting the gasket to connect inside the sections, making a metal to metal seal. A Duplex RTJ flanges might have a raised face with a ring groove machined into it. This raised face doesn’t fill in as any piece of the fixing implies.
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As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.

Product Introduction

Super Duplex Ring Joint Flange is a made form bland of Chromium, Molybdenum, Copper Nickel content, and other chemicals. The presence of Nickel and Chromium content offers excellent resistance to chloride-ion stress-corrosion cracking. It also shows appropriate resistance to a different oxidizing environment. This Flange is provided high mechanical strength and toughness in high temperature and pressure environments. Also, it has outstanding mechanical, physical and corrosion resistance properties. This Flange can be withstanding harsh environments with extreme temperatures.

ANSI/ASME Ring Type Joint Flange Specification

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
Coating/Surface Treatment Antirust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Value Added Services CNC Machining, Customised Flanges

duplex stainless

Ring Joint Flange Features

Super Duplex Ring Joint Flange is showing various features Such as Smoothness finishes, Good dimensional accuracy, Ruggedly constructed, Greater hardness, Good Toughness, Rust free, Stress corrosion cracking resistance, Crevice corrosion resistance, Long-lastingness and many more else. Because of several features, our high quality of Super Duplex Ring Joint Flange is used in many applications industries such as Architectural Structures, Oil and Gas, Heavy engineering, Railways, Power Generation, Food Processing, Marine, Chemical and Petrochemical, Heat Exchanges and many more else.

GNEE Steel Duplex Steel Flanges Packaging 

duplex stainless steel flanges

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