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双联型无针蝶阀
水蝶阀
产品类别
特色产品

双联型无针蝶阀

双相钢,又称复合相钢,是指铁素体相和奥氏体相各占固溶体组织约一半的钢材。通常,少量奥氏体相的含量也需达到30%。低碳型双相钢中,铬含量为18%~28%,镍含量为3%~10%。部分双相钢还含有钼、铜、铌、钛、氮等合金元素。双相钢广泛应用于脱硫系统和海水淡化系统。

    应用

    1.良好的耐腐蚀疲劳性和耐磨损腐蚀性。
    2.良好的抗点蚀性能。
    3. 具有良好的抗氯化物应力腐蚀性能。
    4. 综合力学性能优异。具有高强度和疲劳强度,屈服强度是18-8奥氏体不锈钢的两倍。固溶体状态下的延伸率可达25%,韧性值AK大于100J。

    普通等级

    DIN1.4469(A890) 2507(UNS32750, DIN1.4410)2205 (UNS318503,DIN1.4462) 2304(UN23) UNS32900 (DIN1.4460) UNS31260。

    产品性能规格

    标称直径

    标称压力

    旅行角度 工作温度 涂层厚度

    适用媒体

    连接类型

    连接标准

    DN40-DN2000(1.5”~80”) PN1.0~1.6MPa 0°~90° -20~120℃ 迷你型 200 微米 海水、淡水、空气、脱硫液、尿素和磷肥、含高氯离子的溶液等。 晶片式(无凸缘A型、U型、单凸缘式)、单夹式(LT型)、双凸缘式 GB/DIN/BS/JIS/ASME/EN/ANSI/ISO

    包装

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