REGELVORRICHTUNG FUER EINE FLUIDSTROEMUNG
1357043 Valves B I GROOMBRIDGE 1 Feb 1973 [3 Feb 1972] 5087/72 Heading F2V A valve arrangement, for domestic water cisterns, comprises two flexible sleeve-like valve members 5,. 6 attached to a T-section pipe. These members may be made by folding a sheet of polyethylene vinyl acetate and welding alo...
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Zusammenfassung: | 1357043 Valves B I GROOMBRIDGE 1 Feb 1973 [3 Feb 1972] 5087/72 Heading F2V A valve arrangement, for domestic water cisterns, comprises two flexible sleeve-like valve members 5,. 6 attached to a T-section pipe. These members may be made by folding a sheet of polyethylene vinyl acetate and welding along the edge: they distend to permit flow in one direction and collapse to prevent reverse flow. When the tank 3 is being filled, valve 5 opens and discharges fluid in a silent manner beneath the surface. In the event of suction conditions occurring in the main supply pipe 2, valve 6 opens to break the vacuum. |
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