1) CJ/T 186-2003 standar呢購d is only applicable to floor drains要地 used in general industrial a到空nd civil buildings, not su數上itable for special pl醫錢aces such as anti-wave floor drains f科弟or civil air defense projects and explo如制sion-proof floor drains f很劇or petrochemical enterprises. For floo身姐r drains in special pla個習ces, in addition to re服民ferring to this standard, they s新說hould also meet the tech風舊nical requirements of related 和文industries.
2) Water seal is one of the importan吃術t features of a wate光快r-sealed floor drain. When selec了放ting, you should know wh大微ether the water seal depth of the produ海也ct reaches 50mm. Side wall type floor關西 drains, floor drains with友少 mesh frame, and airtigh美低t floor drains generally do 廠用not have water seals; most of th飛務e overflow-proof floor drain匠工s and multi-channel floor 到會drains have water seals, and th書道e selection should be based on 一靜the manufacturer's informa理來tion.
For floor drains without麗雨 water seals, a water trap with a wate電聽r seal depth of not less tha要麗n 50mm should be installed in th如你e floor drain discharge pipe. Th費男is component can be 購了configured by the floor drain manuf我南acturer, or set by the constructi懂朋on unit that installs the區術 floor drain.
3) The height of the floor drain grate 喝大can be adjusted, and the adjustment hei外這ght is not less than 35mm to ensur綠慢e that the level of the floor drain s生訊urface after the ground 就喝decoration is completed i跳影s the same as the ground. The floo雜照r drain is equipped wi電紅th a waterproof wing ring, which is市的 to meet the waterproof require化金ments when the floor drain is in票車stalled on the floor.
The grating strength of放畫 the floor drain located in 笑輛the car passage of th車腦e underground garage or in the load-b現劇earing place should 動錯be able to meet the correspondi煙新ng load.
4) The structure of the f黃動loor drain with water seal should be 謝信reasonable and smooth, and the sundrie信謝s in the drainage are not easy to se地外ttle down; the cross-sectional area of現裡 the water passage of each 從理part should be larger than the cross窗行-sectional area of 銀靜the discharge pipe, and the minimum ne明煙t width of the runner cros鐘舊s-section should not b那票e less than 10mm.
5) There are three types of floor兵睡 drain connection: socket; thread; cla妹玩mp. The size of the conne身得ction port can be dete藍空rmined according to the c人器urrent national regulations暗坐
6) Deodorant floor drains 文們should be used first, an冷鄉d floor drains may not be installed i家子n places that do not require dr要綠ainage. The builder shall not comp商多lete the construction i美快f the floor drain is n白紙ot provided with a backwater ba金高y.