Type S head has been designed to work with spears type Sankey, widely used by the main breweries in Spain. Available only with 2 connections. Many European Breweries use this system, also known are European Sankey.
It is slightly longer than D type head or American Sankey. Used by breweries such as Heineken, Amstel, Pilsner Urquelle, San Miguel and Cruzcampo.
The head is connected to the spear by slightly turning the head until the top.