Want this question answered?
circumfrencial weld is sometimes referred to as Girth weld. its just another term.
Flush Joint Wash Pipe - used in the oilfield on thin-wall 'Wash Pipe' used in 'fishing' operations - retrieval of broken tools from an well.
I assume you mean black iron pipe, which is used to run the gas line to your furnace.
The same that is used above ground. Sweat fitting coupler. I would not use copper underground in an area that has winter.
It was Mr Dunlop who used a hose pipe joint at the end for his sons cycle.
Use only black pipe
This is a good indication that you have a hole in your sewer line. It could be from root intrusion via a bad joint. It could be a bad joint. Perhaps a collapsed line due to the pipe material itself. Some older homes used a sewer material called orangeberg which was discontinued because it was structural unstable and prone to all sorts of problems.
A mechanical joint fitting, often used for connecting plain end ductile iron pipe to HDPE.
Teflon tape can be used on any type of liquid joint. However, it is strictly speaking a lubricant, NOT a sealant, and is a cheap and nasty way of sealing joints. - The proper sealant for any liquid pipe joint is a pipe joint compound such as Whitlam's or Oatey's Blue Joint Compound.
Coated Copper Pipe that is approved for underground only.
a pipe line dumby
A pipe joint is a key component to any successful plumbing system. Pipe joints means the connection at the ends of pipes that ensures tight sealing and strength. In some cases, pipe joints must also provide for rapid assembly and dis-assembly or a change in the direction of the line of pipe. The most common types used for general-purpose metal pipes are welded, flanged, threaded, and bell-and-spigot joints. alliedallcityinc.com