 Although crimped fittings are suitable for drinking-water pipes and other hot-and-cold systems (including central heating), they are substantially more expensive than sweated fittings.Pressfittings with either V and M profile (V Contour & M Contour) in stainless steel, carbon steel and copper are highly popular in Europe, and several manufacturers such as, Viega, Geberit, Swiss Fittings, and ISOTUBI, distribute system dependent press fittings.When compared to other connection types, press fittings has the advantage of installation speed, and safety.