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          3. 直埋型波纹膨胀节

            直埋型波纹膨胀节

            型 号:DN25-3500
            价 格:0元
                 本厂专业生产直埋型波纹膨胀节,直埋型波纹膨胀节是安照中国人民共和国国家标准GB/T 12777-1999 【金属波纹管膨胀节通用技术条件】制作的。这本?#25216;?#26159;由国家质量技术监督局发布出版的。电话:0371-64011900 0371-64011955 传真:0371-64011800 0371-64011655
             详细介绍

            直埋型波纹膨胀节

            一、优点:
                  直埋型波纹膨胀节是波纹管工作在自身形成的密闭室中,靠自身的结构保证波纹管始终轴向伸缩,无需设导向支架,检查井和支架安装后无需维护,加快工程进度,降低工程造价。
                  直埋型波纹膨胀节又称为直埋补偿器、直埋膨胀节、直埋式伸缩器。直埋型波纹膨胀节主要用于直埋管线的轴向补偿。直直埋型波纹膨胀节具有抗弯能力,所以可不考虑管道下沉的影响,直埋型波纹膨胀节具有补偿量大,寿命长的特点。
                  直埋型波纹膨胀节外壳及导向套筒保护下实现自由伸缩补偿,其它性能跟?#32960;?#27874;纹补偿器相同,他的轴向补偿量:30mm-500mm。
                  直埋型波纹膨胀节型号: 我公司生产的补偿器口径为DN32-DN1600,压力级别0.25Mpa-2.5Mpa之间。客户如有特殊需要,可以定做加工。
            二、零部件使用注意:
                  内衬筒:用于减少膨胀节的波纹管内壁与通过它的流动介质相互接触的圆筒,起降低流体阻力、保护波纹管内表面等作用。又称内套?#19981;?#23548;流筒。内衬筒的材料可与波纹管相同,也可与波纹管不同。
                   限位杆:设置在膨胀节总成上,?#35805;?#29992;杆或棒制成的零件,主要用于限制波纹管在正常工作状态下的活动范围(轴向、横向、角向),当主固定支架发生破坏?#20445;?#35813;零件可以防止波纹管过度拉伸和压缩,同时还可控制全部内压载荷和因支架破坏产生的动载荷。
                   外罩:对波纹膨胀节的波纹管外表面提供一定保护,使它免受异物接触或机械破坏的装置。有时也称保护套。主要特点是防火,抗拉,耐高温。
             
            三、安装要点:
                  直埋型波纹膨胀节是用在直埋管线上的膨胀原件.
            1、严禁用直埋型波纹膨胀节变形的方法来调整管道的安装超差,以免影响直埋型波纹膨胀节的正常功能,降低使用寿命及增加管系,设备,支承构件的载荷.
            2、安装过程中,不?#24066;?#28938;渣飞溅到波壳表面,不?#24066;?#27874;壳受到其它机械损伤.
            3、直埋补偿器在安装前应先检查其型号,规格及管道配?#20204;?#20917;,必须符合设计要求.
            4、?#28304;?#20869;套筒的膨胀节应注意使内套筒子的方向与介质流动方向一致,铰链型补偿器的铰链转动平面应与位移转动平面一致.
            5、需要进行"冷紧"的膨胀节,预变形所用的辅助构件应在管路安装完毕后方可拆除.
            6、管系安装完毕后,应尽快拆除直埋型波纹膨胀节上用作安装运输的黄色辅助定位构件及紧固件,并按设计要求将限位装置调到规定位置,使管系在环境条件下有充分的补偿能力.
            7、水压试验结束后,应尽快排波壳中的积水,并?#26438;?#23558;波壳内表面吹干.
            8、直埋型波纹膨胀节所有活动元件不得被外部构件卡死或限制其活动范围,应保证各活动部位的正常动作.


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                              3. 江苏十一选五 银狼登陆 锁子甲制作方法视频 下载巨人财富 扬尼斯 辽宁35选7开奖结果今天 梦幻诛仙手游 北京pK10手机开奖记录 御龙在天手游怎样加人物角色属性点 2978招财鞭炮 蒙彼利埃三大申请条件 新疆25选7基本走势图 魔兽世界吧 时时彩网 疯狂世界盃彩金 古怪猴子压注方法