How to remove a nut from a pipe?
Place the wrench around the end nut closest to the central holding nut. Turn the wrench counter-clockwise to loosen and remove the nut from the end of the pipe. Clean around the threaded pipe end with a steel brush to remove all sealing tape. Wrap new white sealing tape twice clockwise around the threaded pipe end.
How to remove a union nut?
Step 1. Turn off the water at the main shutoff valve. Place a pipe wrench around the union's central holding nut. Turn the wrench handle counter-clockwise to loosen and remove the central holding nut from the thread that it attaches to, on one of the union's end nuts.
How to tighten a central holding nut?
Brush off existing sealing tape from the thread that the central holding nut attaches to, using the steel brush. Wrap sealing tape twice clockwise around the thread, and screw the central holding nut back onto the thread. Use the pipe wrench to tighten the central holding nut in place. Turn on the water supply.
What is union joint?
Union joints are installed in steel pipelines so that pipe sections near each side of the joint can be removed without having to first take out every pipe section from the end of the line to the location of the union. The union joint itself consists of two female threaded end nuts, with a central threaded holding nut which when tightened in place ...
How to remove threaded galvanized pipe?
Step 1. Turn off the water that flows through that section of pipe. Spray penetrating oil on the area where the threaded galvanized pipe enters into the galvanized fitting you need to remove .
How to remove a union from a retaining nut?
Place one pipe wrench onto the union's lock nut and the other pipe wrench on the union's retaining nut. Loosen the union by turning the pipe wrench on the retaining nut counter-clockwise while you hold the lock in place with the other pipe wrench. If there is no union close to the fitting you need to remove, proceed to Step 3.
How to hold galvanized fitting in place?
Hold the galvanized fitting in place with one of the pipe wrenches and place the other pipe wrench on the loose piece of galvanized pipe entering into the fitting.
What is galvanized pipe used for?
Galvanized piping has been used for water supply lines and is mostly found in older homes. In time, galvanized piping corrodes. This corrosion reduces the amount of water that flows through the pipe and makes breaking a connection between a threaded galvanized pipe and a galvanized fitting difficult. Since galvanized pipe is threaded, you need ...
