The dimensions od the internal catridge, which is made of barss,is 24 mm X 1.5 mm. The bonnet of the internal catridge is made by forging,the sturdiest form of casting.

Rubber 'O' ring is provided on the valve of the internal catridge to ensure water does not reach the internal catridge from the lower chamber. Since water does not reach the Acme threads, they always remain lubricated resulting in less wear & tear and longer life.

Bore of the seat and the water passage area throughout the body section have a uniform diameter of 12.7 mm (proper 1/2 " size of fittings) resulting in better flow of water even on normal water pressure.