Flare Fitting Sealant
It occurred to me that lapping the flare on the brake line could get the tube to seat with the fitting.
Flare fitting sealant. The seal protects against the primary area of flare leaks on the sealing surface. Parker s flare fittings provide reliable leak free connections for high pressure fluid and gas applications. Flare fittings are offered in 37 flare 45 flare and 90 flare o ring face seal series that are designed to maximize the leak free performance and service life of your hydraulic connections. When a piece of ips threaded pipe is screwed into a fitting ptfe tape and or pipe dope is used to assist that seal on the threads.
Flared fittings are generally used in high pressure situations to join two pieces of pipe together. How to fix a leak in a flare fitting. It is true that a copper flare has a limited life but the most common reason for the copper to thin out is to not oil the back side of the flare to allow the nut to compress the copper without distorting it. Flareseal fits all common sae flare connections for our industry.
Coupling reducer in order to fit into a 3 8 in. Uniweld h2ssm service hose with brass knurled 1 4 inch female flare fittings with rubber gasket seats 24 inch 4 8 out of 5 stars 27 18 06 18. Even with the best equipment mechanics always lapped engine valves to ensure they wouldn t leak. The gas line has a flare fitting 1 2 in.
A good example of this is high pressure automotive brake. Flare fittings on the other hand seal on the beveled ends of the fittings and so using pipe dope or tape on flare threads could actually prevent the. Gas connector as suggested by help from home depot and then into an excess flow valve which then goes into a 3 8 in. The entire seal is coated with a dry to the touch baked on loctite sealant.
Applying sealant to a flared fitting goes against what is accepted as standard practice in the trade. When inserted into a fitting the concentric rings form multiple seals down the face of the flare while the loctite coating fills minor imperfections dramatically increasing the integrity of the fitting. That goes into a 1 2 in. Gas connector and then the dryer should i put teflon tape or sealant on any of these connections.
The entire seal is coated with a dry to the touch baked on loctite sealant. How to seal flare fitting connections. Lapping is a tried and true practice that goes back 100 years. It not only provides a long term leak free connection on new installations or products but it also can be used to stop weeping connections in existing systems.
When inserted into a fitting the concentric rings form multiple seals down the face of the fitting flare.