| 摘要 |
The water supply valve prevents choking of its pressure control hole. The valve is composed of a housing(21) which has an inlet(22) and an outlet(23), a bellows plate(24), a bellows(27), a rod(28) and a rod cushion(29) which is fixed at the top of the rod. The bellows(27) and a bellows plate(24) are modified in order to improve water supply performance. A circular channel(31) is formed at the bottom of the bellows to connect with the pressure control hole(25).
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