Masters® and Oatey® have the PTFE Tape you need. Our PTFE tapes can be used on all threaded pipe, valves and fittings carrying acids, solvents, alkalis, steam, hot and cold water, LP gas, natural gas, oxygen and almost any chemical. Weather-resistant, flexible, low dielectric constant, chemically inert and usable at low temperatures, all of our tapes perform over a temperature range of -450° to 500° F and up to 10,000 psi. They are non-hardening, non-toxic, non-stick and non-flammable.
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What is the maximum pipe size you can use thread tape on?
There are no limitations on the diameter of the pipe. You should always wrap the tape enough times around the male threads in order to fill the spigot (female threads). Any pipe sizes over 1¼” with pressure and fluids moving through it should have the male threads wrapped with tape and then the approved pipe joint compound spread over the tape.
How do I apply pipe thread tape, and are all the tapes applied the same way?
All ½”, ¾” and 1” wide tapes are installed the same way. After you select the proper size of tape for your thread, you will wrap in a clockwise motion, while keeping the tape at the bottom of the thread. For ½”, ¾” and 1” pipe threads you will only need to wrap the threads in a straight pattern 3 to 5 times around the male thread, if the tape width is the same size as pipe diameter. For 1¼” pipe threads and above or when tape width is smaller than pipe size, you will wrap 4 to 5 times starting at the end of threads and working up.
Is Oatey White General Purpose thread seal tape safe to use on natural gas lines?
Yes. All Oatey thread sealant tapes will work on natural gas lines. Oatey does however recommend the use of yellow gas line thread tape with PTFE on all natural gas line installations, product #31403. The Oatey yellow gas line thread tape is approved by code for this application and the yellow color is a visual identifier that the correct tape was used in the application.
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