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What is the basis of using long radius and short radius elbow?
It depends where the pipe is heading, flow is better in along radius, but sometimes there is no room for it.
How do you calculate the center of a 90 degree pipe elbow?
If your elbow is a short radius it is 1 times your nominal pipe diameter. If it is a long radius it is 1 1/2 times your nominal pipe diameter.show me the exact pattern of long radius
What is the difference between a 3d bend and a 3R ell?
There is no difference. Different suppliers and contractor describe the same situation with 3R or 3D. Here is how to think about it. A piping segment is formed or bent at a radius. The radius is measured at the centerline of the bend. The radius of the bend centerline is 3 times the nominal diameter of the piping segment being bent. 3R means the bend radii is three times the nominal pipe diameter. 3D means three times the nominal pipe diameter is the bend radii of the piping segment. Caution don't begin to convert 3R to 1.5D. Not applicable with this terminology. Standard long ells can be purchased with 3R bends, being 10 inch pipe ells have a bend radii of 30 inches.
For pipefitters what is the take off on a 6 inch short radius 90 degree ell?
Short Radius 90 degree elbows are the same as pipe size.... Long Radius 90's are pipe size times 1.5.... so a 6" (SR) elbow is 6"... a 6" (LR) elbow would be 9"
If the diameter is 8cm how long is its radius?
Its radius would be 4cm long. You split it in half.
