Can you solder a threaded fitting?

Just a tiny dab of solder on the threads of a fitting can make a fitting nearly impossible to tighten. It’s best to solder a threaded fitting to a pipe before you connect the other end of the pipe. That way, you can stand the pipe upright so excess solder will run away from the threads.

How do you tighten plumbing fittings?





Turning to the left loosens the plumbing fitting; turning to the right tightens it. Remembering this simple rhyme can prevent a bad seal and stripped fittings. It’s also handy in a pinch if you need to shut off the water supply quickly. Plumber’s Tape is Your Friend.

How do I fix a leaking soldered pipe joint?

Dry the outside of the elbow and sand (120-grit paper or cloth) around the leaking joint to remove all surface corrosion. Apply soldering flux around the whole joint and apply heat with a torch until the old solder melts. Add new solder until a shiny ring of solder shows all around the joint.

How do you tighten a copper fitting?

Quote from the video:
Quote from Youtube video: Next slide the ferrule onto the end of the pipe. Finally pull the tightening body in place on the pipe end slide the compression nut over its credit and and tighten it by. Hand.

Can brass be sweated to copper?

As an alloy of copper and zinc, brass is compatible with copper, and manufacturers produce many common plumbing fittings with the material. Solder adheres as well to brass as it does to copper, so the fittings are usually molded with slip joints so you can solder them to the pipes.

Can you damage a ball valve when soldering?





Because there are some risks when you solder a ball valve open. For example, there could be water trapped in the seals or pipes. When the heat turns water into steam it might damage the valve. Worse can be the steam might blow out the seal.

How do you tighten a threaded pipe?

Quote from the video:
Quote from Youtube video: It's important to make sure you do not tighten it too much a general rule of thumb is tighten them by hand until it is difficult and then give it one to two more turns.

How tight should threaded copper fittings be?

In general terms you want to aim for 2 to 3 full turns after hand tight. If it still feels loose, complete another full turn. A lot of plumbers will use both teflon tape and pipe dope. Depending on the thickness of the teflon tape you will want to use 3 to 6 wraps in the direction on the threads.

How do you fix a leaking threaded joint?

  1. Use two types of Teflon pipe joint compound on threaded joints. Wrap threads with plumbers tape. …
  2. Tighten the connection. …
  3. Thread on valve pipe joint compound. …
  4. Tighten the fitting. …
  5. Align slip joints precisely for a tight seal. …
  6. Choose flexible supply tubes. …
  7. Close-up of gasket.
  8. How do you tighten plastic fittings?

    Once the sealant is applied to your threads, insert the male end into the female fitting. Once the pieces are together, tighten the connection by hand slowly until the fitting will not turn any more. At this point, you can use a wrench to complete one or two more turns. Do not tighten your fitting past this point.

    Can you over tighten a compression fitting?



    The tubing will bulge and stick inside of the fitting if the ferrules are overly secure. If you can’t disassemble the valve or fitting, it’s a good indicator that the connection is much too tight. The only thing to do in this instance is to remove and replace the fitting in question.

    Can you over tighten brass fittings?

    They should be hand tightened and then another 1 or 2 turns, but no more. More turns will put to much pressure on the fitting and may crack it and cause a leak. The Tensile Stress created by tightening the fitting beyond hand tight and 1 or 2 more turns will crack the female fittings.

    Should I use plumbers tape on brass fittings?

    Also known generically as PTFE tape, it’s generally used as a sealant and lubricating material, perfect for installing fittings in the kitchen and bathroom. In fact, it’s essential to use thread tape for those household brass fittings unless a rubber seal or gasket is in place.

    How does over tightening leak?



    If a valve is over-tightened, it deforms the tubing and the connection. These deformities create cracks and gaps where the fluid can begin leaking out.

    Do you use Teflon tape on brass to brass fittings?

    Many people recommend using a combination of Teflon tape and a silicone-based joint compound on threaded brass fittings to ensure the joint is completely leak free.

    When should you not use plumbers tape?

    An important thing to remember is that PTFE tape should not be used when connecting PVC fittings or valves with a female (FPT) thread. If the tape is used on female connections, a wedging action can occur which will cause major stress on the joint during assembly. PTFE tape does not guarantee a leak free connection.

    How many times do you wrap Teflon tape?

    You always want to wrap seal tape around threaded pipe fitting in a clockwise direction. In most cases for a new joint you should apply only two or three wraps of tape. On older fitting where the threads may be damaged you may consider adding a few more wraps, but keep the number of warps to a minimum.