How much do you know about elbow products?

How much do you know about elbow products?

Purpose of elbow: A commonly used connection pipe fitting in pipeline installation, connecting two pipes with the same or different nominal diameter, so that the pipeline to make a certain Angle turn, nominal pressure is 1-1.6Mpa.

Standard elbow specifications:

1, 1.5 times elbow center height = diameter *1.524, in fact, it is the diameter * multiple, the result after the decimal point is rounded to an integer, such as the diameter of 219 is 200, center height is 200*1.524=304.8, take 305; If the diameter of 114 is 100, the center height is 100*1.524=152.4, which is 152. (It is convenient to calculate the radius of curvature of DN100 and above elbow.)

2, poke height = center height + radius of elbow, such as 1.5 times the diameter of 219 elbow poke height =305+219/2=305+109.5=414.5

3, outer arc length =(center height + radius)*3.14*2/360* degrees, namely (poke height)*3.14*2/360* degrees, it can be calculated that the 90 degree elbow outer arc length = poke height *3.14/2

4, inner arc length =(center height - radius)*3.14*2/360* degrees

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