| 摘要 |
1. The invention concerns a aeration valve particularly for aeration water in water installations, comprising cut-off element pressed down by a spring and inlet and outlet leads for aeration agent, characterised in that cut-off element is a slide (4) with a tip (6) mating with reverse valve (18) of installation or tip (40) being hydraulic piston lifted by main agent of installation, comprising cut-off part (5) located between aeration agent inlet (2) and outlet (3).<IMAGE>
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