IMPORTANT characteristics angle valve

A) large diameter water inlet (9 mm)
B) large diameter water outlet (9 mm)
C) high opening stroke (6 mm) for an optimal water flow
D) double OR with considerable size that forms a lubricated sealed chamber witch ensures longer life
E) opening and closing movement is not in, but outside of the water to avoid stiff operation due to limestone build-up
All parts in contact with water are made of brass with low lead content (CW614N)
All seals are made of NBR