Radius of curvature divided by tube diameter. To get the radius of curvature, imaging the bend in the tube is a segment of a circle, the radius of curvature is the radius of that circle.
4 times the diameter of the cable
Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)
you double the radius to find the diameter.
You already know the radius.
The transmission is unreliable after the bend radius is exceeded.
To calculate the degrees per meter required to bend a 16" pipe to a 10D bend, you would first need to determine the bend radius using the formula: Bend Radius = Pipe Diameter x Bend Factor. For a 10D bend, the bend factor is 10 (D = diameter) so the bend radius would be 16 x 10 = 160 inches. To find the degrees per meter, you would then calculate the angle of the bend (usually 90 degrees for a standard 10D bend) divided by the total length of the bend in meters (which would be the circumference of the bend radius).
5d bend
The RADIUS of a 5D pipe bend is actually what is 5 times the nominal diameter. So if you had a 10" diameter pipe, the radius of the centerline of the bend would be 50 inches.
A 3D bend is a pipe bend that the bend radius is 3 times the pipe outside diameter.
self siphonage
6x od
The radius of the curve of the inner edge of the bends shall be at least 6 times the external diameter for armoured cable.
Radius of curvature divided by tube diameter. To get the radius of curvature, imaging the bend in the tube is a segment of a circle, the radius of curvature is the radius of that circle.
4 times the diameter of the cable
Four times the outer jacket diameter.
45 degree, 90 short radius degree ,T ,elbow,cap,concentric reducer, Tee and flange