Tap for 2002 and installations for the fluids has not domestic use

摘要

The valve has a spherical casing (2) comprising a pair of parallel flat sections (2a, 2b) and junction parts (2c, 2d) for defining four successive distinct zones (Z1-Z4) that permit assembling and disassembling of the casing in a body of the valve for ensuring successive functions. The junction parts have a same curvilinear profile and have different in size by forming a truncation (2e) established between the flat section (2a) and the junction part (2c).