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天津11选5LAIYUAN:SHANGHAISONGXIAJIANZHENQITIANJIN11XUAN5    FABUSHIJIAN:2021-04-20 14:54

       1务必依据管道的压力、连接方式、介质和补偿量选择适合的型号规格,其总数根据减噪位移要求选择。
        2当管道产生瞬间压力且大于工作压力时应选用高于压力一个档位的接头。(如:管道启动瞬间压力>1.0MPa时,应选用工作为1.6MPa的接头。瞬间压力>1.6MPa时,应选用2.5MPa的接头)。
  3当管道介质为酸碱、油、高温以及他材料时应选用高过管道压力一个档位的接头。
       4连接橡胶接头的法兰应是阀门法兰或合乎GB/T9115.1(RF)的法兰。
  5可曲绕橡胶接头正常适用介质是温度在0-60℃的普通水,特殊介质如:油、酸碱、高温及其他腐蚀性和质地坚硬的情况下,应选用相对应的特耐材料橡胶接头,不可盲目串用或通用。
  6可曲挠橡胶接头使用在水泵进出口时,应坐落于近水泵一侧,与水泵之间应安装金属变径接头,且安装在变径的大口径处。
  7当管道位移量≥接头的较大 补偿量时,应增加接头的总数来平行位移量,严禁为了调节管道的超差,使接头处于扰曲位移和偏差状态,更不能超限度(伸缩、位移、偏转等),使用具体安装数据见下表。
  8高层给水或悬空给水,管道应固定在吊架、托架或锚架上,且不能让接头承受管道自身重量和轴向力,不然接头应配备防拉脱设备(其承受能力务必超过管道轴向力)。
  9安装橡胶接头时,螺栓的螺杆应伸向接头外侧,每一法兰端面的螺栓按对角加压的方法反复均匀拧紧,防止压偏。丝口接头应使用规范扳子匀力拧紧,不能用加力杆加力使活接头滑丝、滑棱和断裂,并且要定期检查,以防松动造成脱盘或渗水。
  10橡胶接头在初次承受压力(如:安装试压等)后或长期停用再次启用前,应将螺栓重新加压拧紧再投入运行。
  11使用或存储橡胶接头,应防止高温、活性氧、油及酸碱环境。用在室外或向阳迎风的管道应搭建遮阳架,严禁曝晒、雨淋、风蚀。
水泵橡胶接头
 
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