Flare fittings work best on high pressure hydraulic applications flare fittings are available in stainless steel, brass, steel, monel, high duty bronze, hastelloy c, incoloy, inconel 600. Features 1) international standards 2) combine flare fitting connection with variety of end connections of male female npt, bspt, bspp 3) very effective seal between the fittings and the flared tube 4) good vibration resistance 5) high pressure rating