| 摘要 |
<p>Piston-type device to regulate pressure in mixing valves, advantageously of the cartridge type, comprising at least an outer containing body (11) with separate inlet holes (15a, 15b) and outlet holes (21a, 21b) for hot and cold water and containing inside a floating piston with apertures on the circumference which can be associated in a variable manner with the inlet holes (15a, 15b), the lateral contact surfaces of the floating piston (14) on the two sides being defined by ribs (19) obtained radially on the outer containing body (11) and extending towards the inside of the regulator device (10), the ribs (19) defining a contact surface at least reduced in relation to the front surface of the floating piston (14). <IMAGE></p> |
