Hydrants should be Positioned at a length of not below two m in the facial area on the buildings. This distance may suitably be enhanced as many as optimum fifteen m exactly where hydrants are put in to protect dangerous storages or procedures so which the haydrants continue being approachable and workable even in the situation of a serious hearth.
請注意：務必確保已選取的區域來自正確的螢幕截圖（螢幕內），否則裝置將永遠顯示黑色。若您從外接螢幕選擇區域，且螢幕已從桌上型電腦或筆記型電腦拔除，請在套用具有同步辨色的燈效設定檔前，重新選擇自訂區域。
Moderate steel tubes, tubulars along with other wrought metal fittings: Part 1 Delicate metal tubes (fourth revision)
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Exactly where, nonetheless, it really is inescapable to lay mains below the above situation, they need to be laid in masonry trenches with removable covers and sluice ome88 valves need to be provided at the points of entry and exit.
The hydrants ought to be located in accordance with the attendant fire hazard in ome88 order to facilitate the best services. They needn't always be equidistant from one another. In industries the place They're to address certain structures, gain must ome88 be taken of convenient doorways or windows or both equally, to place hydrants to ensure that just a minimal duration of hose is required to reach the opening by which fires could be attacked The situation of hydrant landing valves on floors earlier mentioned the ground ground or possibly a processing unit really should be near to the staircase landings.
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Suitable handling and working of your hydrants can go a long way inside their better servicing and satisfactory efficiency around lengthy interval. The following straightforward procedures ought to be followed When hydrants are operated:
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Underground mains must be laid not fewer than 1 m under floor degree. The place soil disorders are unsatisfactory, masonry or equal supports really should be supplied at typical intervals.
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The indicating plates might be made from vitreous enamelled moderate steel, Forged iron, aluminium alloy or plastic. The plates ought to be yellow in colour with letter ‘H’ in black, if possible with fluorescent colour ome88 paints. Exactly where probable, measurement from the mains and the space from the hydrant within the plate needs to be marked over the plate.
商標聲明：本網站所談論到的產品名稱僅做識別之用，而這些名稱可能是屬於其他公司的註冊商標或是版權。