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ASTM A403L Stainless Steel Concentric Reducer ASME B16.9

What is a Concentric Reducer,what about its specification and advantages.

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What is a Concentric reducer ?

A concentric reducer is used to join pipe sections or tube sections on the same axis.The concentric reducer is cone-shaped, and is used when there is a shift in diameter between pipes. For example, when a 1″ pipe transitions into a 3/4″ pipe and the top or bottom of the pipe doesn’t need to remain level.[This pipe reducer may be used when there is a single diameter change or multiple diameter changes.Unlike eccentric reducers, concentric reducers have a common center line. Concentric reducers are useful when cavitation is present. Eccentricity occurs when the centerline is offset.

Specification of  Concentric reducer 

Size Range 3/4″ – 60″ / DN20 – 1500
Thickness Schedule SCH 10 – SCH 160, XXS
China Standard GB/T12459, GB/T13401, HG/T21635/21631, SH3408/3409
America Standard ANSI / ASME B16.9 / MSS SP 43
Japan Standard JIS B2311/2312/2313
Germany Standard DIN2605/2615/2616/2617
Europe Standard EN10253
Carbon Steel Q235, 20#, 35#, 45#, 20G,ASTM A234 WPB/WPC
Low Temp Carbon Steel Q345B, 16Mn, ASTM A420 WPL6
Pipeline Steel ASTM A860 WPHY 42 / 46 / 56 / 60 / 65
Alloy Steel ASTM A234 WP11 / WP12 / WP 5 / WP9 / WP91 / WP92,15CrMoG, 12Cr1MoVG,
Stainless Steel ASTM A403 WP304/304L/304H, 316/316L, 310S, 317,347,904L

Advantages of Concentric reducer 

Concentric Reducers are useful to connect pipes as well as tubes on the same axis. This type of reducer offers an in-line conical passage between different dimensional pressurized pipes. A pipe reducer is available in various specifications, such as a single diameter change and also in a multiple diameter change

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