| 摘要 |
t is disclosed herein a flush valve of double water discharge for toilet cisterns, which valve is composed of the base 20 supporting on its centre, via the vertical axle 11 and two water flow adjusters 9,10, the base of the buttons 4 meant for the selection of the water quantity discharge, an overflow pipe 13 adjustable in height and internally exempt from any useless accessory impeding the water outlet and so the better washing of the lavatory pan, two water flow adjusters 9,10 permitting thehorizontal and transverse movement of the base of the discharge selection buttons 4 so that the overflow pipe can be removed and the worn down elastic packing ring 19 replaced, and two floats 15, 16 for selecting the water quantity to be discharged into the toilet cistern so that a considerable quantity of water is kept from being wasted. |
