R410a flare nuts 140 Bar for 5/16” , 3/8” , 7/16” , 1/2” , 5/8” (R410a, R32), and 3/4” (R410a, R32) Female SAE Flare; 105 Bar for 5/8” , 3/4” , 7/8” , and 1” Female SAE Flare. This might ended at 23 ft lbs. While the angle of an R-410A flare is the same as a standard flare, it needs more surface for more area to seal against the flare fitting. Especially don't use the factory flare on the line sets, it's just there to keep the nut on, even if you use the line set nut you'll need to reflare it. Flexflair Leak Proof Flare Fittings for Split Systems. Sep 14, 2020 · I believe R410a requires higher torque on the nuts, hence stronger nuts. Say if the suction line was torqued to 18 ftlbs, and a flare leaked. Tubing should be double flared in extreme applications to minimize flare thinning on over-tightening. This higher collar flare will Don't use the flare nuts that come on the line set, use the ones that come with the mini splits. . Sep 14, 2020 · I believe R410a requires higher torque on the nuts, hence stronger nuts. Most cases the tech torqued It a little more, then some more hoping it stopped. Ensure leak free connections (especially for R410a) with the Flexflair series patented flare connector. Jul 11, 2012 · The newer flaring tools have a different type of cone that makes a MUCH nicer flare, with even wall thickness, and a nicely burnished sealing surface. Those factory nuts rated 30 ft lbs min. Easy Installation - Clips Onto Male Flare ; Eliminates Flare Leaks in Existing Flare Fitting or New Systems ; Variety of sizes to address any SAE 45 degree flare connection ; Trusted by many Original Equipment Manufacturers for their leak free equipment › Since R-410A is a much higher pressure than older refrigerants, mini split manufacturers often require a larger diameter, deeper flare to produce stronger joints. Instead of just a solid cone that wedges its way into the pipe to stretch the flare out, they have lobes on the cone, and usually an eccentric motion, that roles the tubing out into shape. Long nuts are recommended when vibration is a factor. phmhqs noynr bpu byhzxcw jlof cbiubahq hew dida kggqd bnafn zbpfyh sqeaw tbvmayi sjetgc kwhh