膨胀节现货

矩形膨胀节

Indicative Price Range

₹4K–₹28K每件

膨胀节;DN规格范围50–400毫米

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Prices vary by turbine model, OEM spec, material grade, and order quantity. The range shown reflects our typical market spread — contact us for a firm quotation.

矩形或方形截面膨胀节,专为风道系统设计,可在圆形波纹管不适用的场合补偿热膨胀及振动。

Primary Industrial Application

适用于锅炉烟道、静电除尘器/布袋除尘器连接件、窑炉/焚烧炉风道,以及大型暖通空调送风主干道。

Movement轴向+横向+角向
Est. Price₹4K – ₹28KIndicative estimate · contact for firm quote
Lead TimeStocked / 2–4 weeks

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多层不锈钢金属波纹管,用于吸收管路系统中的热膨胀。规格范围DN 15至DN 12,000。按EJMA/ASME标准进行疲劳、屈服及爆破测试。当应用需要多层高循环疲劳寿命、特种合金材质(因科洛伊、因科镍、哈氏合金、钛)、高于16巴的超高压力,或需要PED/AD2000第三方认证文件时,应选择本产品(prod_e1)而非标准轴向膨胀节(prod_e1b)。

Application: 适用于高压蒸汽排放系统、化工工艺管道、换热器连接件,以及需要热位移补偿的管路。适用于高循环疲劳工况、特种合金材质、超过16巴的压力,或需要PED/AD2000认证的场合。对于中等压力下的标准蒸汽及水管路,轴向膨胀节(prod_e1b)更具性价比。

₹1.5K – ₹28K每件confirmed after review

SS/合金轴向膨胀节 (DN15–DN12,000)

单波纹轴向膨胀节,可沿管道纵轴吸收热膨胀及收缩。是蒸汽、工艺气体及热水管路中应用最广泛的膨胀节类型。对于中等压力(最高16巴)的标准工况,应优先选择本产品而非多层不锈钢金属波纹管(prod_e1),以获得更好的性价比。当需要特种合金、超过16巴的高压、PED认证或超高循环疲劳寿命时,请改选prod_e1。

Application: 适用于发电厂、制糖厂、造纸厂及炼油厂中的蒸汽管路、水泵连接件、换热器进出口连接件及热水系统。对于最高150巴的轴向位移补偿,是标准首选产品——仅在需要特种合金、高循环疲劳或严格规范认证时才升级为多层金属波纹管(prod_e1)。

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重型双拱形橡胶膨胀节,位移吸收能力约为单拱形的2倍。可吸收多方向位移、降低噪声、补偿安装偏差。

Application: 适用于水泵、冷水机组、冷却塔及需要比单拱形更大位移量的重型流体系统。

₹2K – ₹18K每件confirmed after review

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