Connecting a fitting to a gas pipe requires some Teflon tape to make a tight seal. This is specifically made for oil and gas lines. The tape is sold cut to specific widths and wound on a spool, making it easy to wind around pipe threads. The tape works on all gas line types, including butane, propane and natural gas lines. This staining or seepage at the threaded joints is the result of using an incorrect thread sealant. Yellow: Often referred to as gas tape, yellow plumber’s tape is used on NPT threads between ½ inch and 2 inches. Pipe threads are a different story - those use tapered threads to make the seal (which isn't a very good seal BTW), so those damn near require teflon tape/paste to make sure the seal is reliable. What temperature should a rack of pork be? Get daily tips and tricks for making your best home. Ask for "Teflon tape" in any hardware or home store and you'll get what you need, but there's no product that carries this name. In most cases, the direction is clockwise. Therefore, you wrap the tape around the pipe in the opposite direction of how the pipe will turn into the fitting. Lubricates threads for easy assembly and disassembly. On top of that, these are highly corrosion resistant. 2. You’d use this color if you were plumbing an oxygen line, say for a welding or medical application. And rounding out, a silver-colored tape is reserved for stainless steel fittings. > these, since Teflon would make it too easy for > fittings to move with the expansion and > contraction of the piping? Loctite PST Pipe Sealant is highly recommended and IMHO the way to go. Maintain tension on the tape so it wraps snugly around the pipe. Begin wrapping the tape around the pipe in the opposite direction to the direction the pipe will be turned. If you ever need to hook up a stove or dryer then you’ll have to work with gas pipe and some fittings. I think because a small peice can get into the fuel system, but how does this pasty permatex stuff not get into the system? I was a little upset when I had 56 leaks! Pipe threads are a different story - those use tapered threads to make the seal (which isn't a very good seal BTW), so those damn near require teflon tape /paste to make sure the seal is reliable. What is internal and external criticism of historical sources? They could plug a piston oil squirter or something else very bad. Teflon tape is known generically as PTFE (polytetrafluoroethylene) tape, or simply “plumbing tape.” Teflon is a brand name, not the actual name of the tape. I agree, usually a pipe dope is the better option. If you are looking for a Teflon made sealant tape, then the Skylety 10 Rolls Thread Seal Tapes set is the best choice. OEM specified. Pipe dope is a sealant and fills voids. Plumber's tape, often called Teflon tape, (polytetrafluoroethylene, or PTFE) helps you get a watertight seal on threaded pipe joints. AN type fittings do not seal at the threads. Thread tape is easy to use, and helps lubricate threaded joints as they are connected in … Although you CAN use teflon tape, I would suggest a pipe dope compound such as Rector Seal #5. Fittings up to 11/ 2” (38 mm) diameter 1. Galvanized pipe fittings are actually slightly conical. Using reliable thread sealants and tape is important to avoid accidents, maintain the equipment and its proper operation and reduce expensive downtime. In that case, new fittings should have been used. If this is copper pipe, give the area a sand and inspect the pipe. It most certainly is not PVC as PVC is very soft at about 90 deg C or about 190F To extrude teflon they heat up a pates of Teflon powder and squeeze it together between rollers. Smooth the loose end down over the threads. I've seen pipes doped with it, then tightened only hand tight that held 100 psi. It also helps lubricate the connection, making the threading a bit smoother, and it helps to prevent pipes from sticking when you want to disassemble the joint. Hydraulic fitting are carefully machined and the tolerances are much closer than in water fittings, as long as you don't back off a teflon tape joint, it should seal fine. Most plumbers tend to us both teflon tape and pipe dope for threaded connections. With hydraulic systems, which are complex and costly, leaks in the system can be hazardous. Lubricates threads for easy assembly and disassembly. Plumber's tape is very easy to use, but there's a right way and a wrong way to apply it. Wrap the tape around the male thread, making three complete wraps. The tape should lie flat (not bunched up) over the threads and extend perpendicularly to the length of the pipe. The little strands of Teflon if they find there way into the oil Circuit.. Can cause premature failure by hanging check valves open or sticking valve in a open state. Yes every fitting leaked on both sides, and I am quite experienced at pipe fitting. DuPont, the maker of Teflon, never manufactured plumber's tape. It can be used on all standard metal pipe materials as well as rigid plastic pipe. If you need to seal a NPT fitting on a hydraulic system, use the dope, and use just enough to get the job done. Backyard mechanics will tell you they've used regular old gas resistant teflon tape (yellow stuff) with success. Can cause oil over heating going across a open check or stuck open valve. The silver color of this professional-grade tape blends with high-end finishes minimizing any exposure. These manufacturers were allowed to use the Teflon name in association with their products but only if they used the real Teflon on their tape. If you don’t receive an email shortly, please check the email address and try again or contact your local Sales & Service Center. 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