Normally 2"
The circumference of 12-inch pipe is: 37.7 inches. (C = d x Pi)Since 12 inch pipe is a nominal size and its outside diameter is 12.75 inches, the circumference of 12 inch pipe actually is : 40.035 inches
The internal diameter of the pipe times pi times its length will yield the volume it can contain. The outer diameter of the pipe times pi times its length will yield the volume that the pipe will displace when it is submerged or buried. The volume the pipe will displace minus the volume it will contain will yield the volume of material that makes up the pipe.
5/8 x pipe size
The typical size for a standard shower stall is usually around 36 inches by 36 inches (3 feet by 3 feet) or 30 inches by 60 inches (2.5 feet by 5 feet) for a rectangular design. Some larger showers can be 42 inches by 42 inches or even more spacious, depending on personal preference and bathroom layout. It's important to consider both comfort and available space when determining the ideal shower size.
What pressure is available? What size orifice , How long are people in the shower? 1 minute or several hours? This question is like asking "how fast can a car go" without knowing HP etc..
2"
The standard shower pipe size for most residential bathrooms is 1/2 inch in diameter.
The standard shower drain pipe size for residential bathrooms is typically 2 inches in diameter.
The standard shower drain pipe size for most residential bathrooms is 2 inches in diameter.
A 2-inch drain pipe is typically used for a shower to ensure proper drainage and prevent clogs.
A 2-inch pipe is typically used for a shower drain to ensure proper drainage and prevent clogs.
This question is vague as it doesn't state where exactly between the main and shower head it has broken. However, worse case scenario, the wall will have to be excavated a little to allow for the pipe to be replaced, using the required fittings to go with it.
Incorrect pipe size installations
Shower pipe is gray
The diameter of the size of pipes that lead to most conventional domestic shower heads range from around 40mm-170mm.This all depends on which purpose you intend to use your shower for, whether it be a serious showerer or just for a casual sprinkle. If you intend to use your shower for pleasure it is recommended that you invest in steel re-inforced 180mm pipe.
wildly welding main pipe the are fillet weld or butweld
To replace the shower head washer in your bathroom, first turn off the water supply to the shower. Unscrew the shower head from the pipe using a wrench. Inside the shower head, you will find the washer. Remove the old washer and replace it with a new one of the same size. Reattach the shower head to the pipe and turn the water supply back on.