I never use any pipe under 11/2"
americanNPT pipe thread i want how much taper it has depends on the pipe size/diameter
2" by most plumbing codes
i think 32mm is it enagh
1 1/4", only for the basin trap arm
This depends on the size and the location of the leak. It depends because a leak on the straight piece of the pipe will differ from a leak on the joint of the pipe. It also depends on the corrosion of the pipe and the extent as to how bad it is.
Any vent is usually the size of the drain or waste pipe it is connected to. 3 or 4 inch on a toilet.
No, refrigeration pipes are normally quarter of an inch, this pipe size is far too small, use the industry standard, half inch pipe size.
The main difference between tube and pipe arises while considering the standard dimensions. The nominal sizes for pipes and tubes are determined differently. For pipes, the ID or Internal Dimension is the pipe size and for tubes the OD or Outer Dimension is considered the tube size.
A 250 NP pipe is a pipe that is 250 millimeters in diameter and is 10 inches long. It comes in a variety of thicknesses. NB stands for nominal bore. Sometimes this is referred to as NPS which stands for nominal pipe size. NB is a standard for pipe sizes in North America.
If it is a pressure pipe, you would reduce the plastic down to the copper pipes size with reducer fittings and then use one to go to copper. If a waste line and the difference is not too great, you can use a rubber coupling that is the right size on each end and held on with hose clamps.
3/4" BSPP (British Standard Pipe Parrallel). These fit together without binding, and must use a washer to seal.
Depending what size your clothes washing machine pipe is to begin with depends on your answer, however you cannot go smaller than a two inch or 50mm waste pipe for your clothes washing machine.