Elbow problem

2009-02-23View Original

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Excuse me, are there standard elbows for DN700? Are there any standards for them? Do we still need to make welded elbows in multiple pieces?

Reply #22009-02-23

Is it a long-radius elbow or a short-radius elbow? 90 degrees or 45 degrees? For long-radius elbows, there are standard elbows with a DN700 size; reference can be made to GB/T12459-2005 for steel butt-welded seamless pipe fittings

Reply #32009-02-23

Yes, in accordance with the standard GB/T12459-2005 for steel butt-welded seamless pipe fittings, the 90-degree long-radius and 45-degree elbows are available in sizes from DN15 to 800, while the 90-degree short-radius elbows are available in sizes from DN15 to 600. It can be selected accordingly, so there is no need to use welded elbows.

Reply #42009-02-24

Reference can be made to the Practical Manual for Pressure Vessels and Chemical Equipment GB/T12459-2005 regarding the selection of steel butt-welded seamless pipe fittings

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Elbow problem

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