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Expansion Joints, Non-metallic Expansion Joints, Metal Bellow Expa

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Expansion joints are used in the thermal pipe network industry

价格 140.00元/台
total supply
1000 台
MOQ
1 台
brand
汇通
area
HenanZhengzhou City
Delivery period:
Shipped within 3 days from the date of payment by the buyer
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area:Henan Zhengzhou City

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Gongyi Huitong Expansion Joints Professional Manufacturer

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Product Details
型号:
dn
规格:
dn25-3500
材质:
碳钢,不锈钢
 膨胀节应用于热力管网行业
 
        自1992年开始,汇通专业为供热管网设计、生产直埋式波纹膨胀节,外压式波纹膨胀节、套筒式补偿器等产品,二十年来已为上百家热力公司提供数上万台产品,所设计生产的波纹膨胀节和套筒补偿器具有补偿量大,推力小,耐地下氯离子腐蚀、寿命长,得到了用户的一致信赖和好评。
热力管网膨胀节的选型:
一、机械密封式套筒补偿器
       通径:DN80mm—DN1200mm
       压力等级:0.6Mpa、1.0Mpa、1.6Mpa、2.5Mpa
       材料:碳钢、O型氟胶圈、Y型氟胶圈
      连接形式:接管连接
      三道高精度密封,形位公差和配合精度要求较高,无泄露,避免了以往旧式补偿器由于泄漏而造成的频繁损坏。
二、注填式套筒补偿器
      通径:DN80mm—DN1200mm
      压力等级:0.6Mpa、1.0Mpa、1.6Mpa、2.5Mpa
      材料:碳钢、石墨盘根、聚四氟乙烯盘根、柔性石墨、抗氧化剂、密封油等特制密封剂。
      连接方式:接管连接
      是一种接触式密封,在外套管与芯管之间填入弹性密封材料,在填料受到轴向力压紧后能紧贴在芯管表面,利用密封材料的弹性变形补偿密封面的磨损,阻止介质外漏,目前由单一填料发展成组合使用。 
三、直埋式波纹膨胀节
        通径:DN32mm—DN1200mm 
        压力等级:0.6Mpa、1.0Mpa、1.6Mpa、2.5Mpa
        材料:波纹管及导流筒选用不锈钢304,不锈钢321,不锈钢316L。保护罩、防拉断装置、接管等选用碳钢。
        连接方式:法兰连接或者接管连接 
        主要用于吸收直埋管线沿其轴线方向因热膨胀或收缩所引起的轴向位移。具有抗土壤压力,能够自导向,该产品设计为补偿限位结构。用于管道输送腐蚀介质或环境有腐蚀介质时,可在波纹管内壁或外壁涂防腐层。
三向金属波纹膨胀节的安装及安装注意事项
    1、安装前应清除波纹管膨胀节及管道内异物,保证波纹管正常运动。内衬筒方向应与介质流向一致(膨胀节上应设有流向标志)。
   2、不锈钢波纹管膨胀节用的波纹管是用薄壁不锈钢板成型的,因此在运输、吊装和焊接期间要注意不要因敲击、划伤、引弧、焊接飞溅等原因而使波纹管损坏。
   3、膨胀节上安装拉杆或限位拉杆起吊。
  煤粉三向金属波纹补偿器安装注意事项:  
   1、金属波纹膨胀节出厂前均已作预拉伸,非金属膨胀节安装时不必要预拉。
   2、金属波纹膨胀节安装完毕后,在离心风机系统运行前要拆除所有固定螺杆屋顶风机。
   3、为了使波纹管膨胀节处于良好的工作状态,安装时不能用膨胀节的变形,包括轴向、横向、扭转等来调正管系位置安装误差。
    登录查看网址:【膨胀节http://www.gdxt10.cn/】
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