自来水防冻栓 SN15*1200-4
产品概要:
产品采用国外先进生产技术,用高精密检测仪器全程监控,采用高精度数控加工中心制造,主要零部件从国外进口以确保产品质量。
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产品采用国外先进生产技术,用高精密检测仪器全程监控,采用高精度数控加工中心制造,主要零部件从国外进口以确保产品质量。
1.产品采用国外先进生产技术,用高精密检测仪器全程监控,采用高精度数控加工中心制造,主要零部件从国外进口以确保产品质量。
2.本产品设计合理,优质的球墨铸铁和不锈钢材料使产品整体组合坚固耐用,主体设计使用寿命长达3年。
3.无需专业安装。上阀手轮上“给水”、“排水”标识简单易懂,老少都能操作,“开阀出水,闭阀防冻”,使用非常简单。
4.在寒冷冬季预计气温可能达到冻结温度时,操作本品手柄即可排空裸露在地面以上的水管中的水达到彻底防冻的效果。彻底解决了寒冷地区自来水管冻破冻裂无法取水的难题。
5.立管防冻栓安装后无需缠绕任何保温材料,随时用水,随时防冻。不但高档美观而且节约大量保温材料。
将PE材质的进水口弯头以热熔的方式连接在PE材质的自来水主管道上。(如果地下的自来水主管道是金属管,进水口弯头就要用金属内丝弯头,一头和防冻栓进水口连接,另一头用过度件和主管道连接)。
将防冻阀(栓)的下阀体进水口螺纹均匀缠绕生料带并按顺时针方向拧进进水口弯头的Rc1/2螺纹内,同时调整好出水口的方向,以拧紧为准,不可用力过度或暴力操作,以免造成进水口螺纹的破坏。
用砖块堆砌在进水口弯头下部,以形成支撑,防止栓提下沉。渗水层用直径≧4-6公分的石子或碎砖块填充,填充高度以掩埋至下阀体以上3公分左右为宜。渗水层以上用塑料布平铺盖好,防冻层用净土填满实落。
注意:图中H代表当地温度最低时的冻层深度。山东地区应在50cm-70cm,以防止突然大幅度降温,故防冻层深度H应大于50cm,以确保防冻阀(栓)下阀体在冻层线以下。渗水层J≧40cm,以保证有足够的空间便于排水。
建议安装坑洞截面尺寸为不小于40cm×40cm正方形或直径不低于50cm的圆形坑。以便于安装操作。
4.1.4第四步:把水龙头安装在防冻阀出水口上,拧紧即可使用。
4.1.5建议在防冻阀(栓)下阀体前安装总阀,以便于维修。水表的安装标准,用户可根据当地水务管理部门的要求执行。
4.2使用说明:
操作本品手轮按箭头指示的“给水”方向旋转到底,即可正常用水;按手轮上箭头指示的“排水或防冻”方向旋转到底,然后务必将水龙头打开,即可防冻。每次用水或者防冻都要把手轮拧到底。严禁把手轮拧到用水和防冻的中间状态,以防失效冻住。在无需防冻的季节可以把防冻栓手轮设置在给水状态,控制水龙头的开关正常用水。
5.1安装本品时请将本品上下阀体和配管上的灰尘脏物清理干净。
5.2购买本品后在没有安装前不要放置在高温干燥或太阳直射的地方,也不要放在易发生臭氧的地方。
5.3严禁将本品用在非自来水管道中。
5.4在将防冻阀(栓)拧进进水口弯头时,应用扳手夹紧进水口弯头的六方部分旋紧,不得直接用管钳旋转管体,以免造成管道破坏。
5.5在安装过程中应有专人扶持住防冻阀(栓)管体,直到安装坑填实之后方可松手,以避免因回填土重力造成管道破坏。回填土时务必注意不要把防冻栓下阀体上的排水口堵死,以防设备失效。
5.6安装完毕后应进行通水、止水、排水的确认,操作本品在给水状态下关闭水龙头不漏水,打开水龙头能出水为正常。排水时把手放在水嘴上感觉到有吸附感为正常。在回填土之前应进行通水试验,确认弯头接口处以及热熔处不漏水才可以用土填埋。填埋用土应松软,不可用含大量石块或砖块的混杂土,保证回填土的保温效果。
5.7按手轮上的“排水或防冻”方向旋转到底,打开水龙头即可排空裸露在地面以上的水管中的水达到彻底防冻的效果。
5.8除维修外不要私自拆装分解或改造,否则会发生零部件损坏漏水。
5.9用户在安装或使用时不准粗暴操作以防止超过阀体的承受极限以防造成设备损坏。
5.10如果防冻阀(栓)安装在主水管的最末端,可以把防冻阀(栓)的进水口直接接在主管道上;如果沿主水管安装多支防冻阀(栓),应先依次从主水管用三通接出支管然后把防冻阀(栓)的进水口接在支管上,这样不影响其他防冻阀(栓)的正常使用。
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