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DH系列低温升降式止回阀

此类型专用低温升降式止回阀适用于低温贮槽、槽车和罐车防止介质倒流,广泛用于LNG、液态乙烯及其它低温介质,具有密封可靠的特点。

This type is special low temperature lift check valve is suitable for low temperature storage tank, tank car and tank car to prevent the reverse medium, is widely used in LNG, ethylene and other low temperature liquid medium, has the characteristics of the sealing is reliable.

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主要技术参数 Main technical parameters

公称压力/Nominal pressure:4.0MPa

设计温度/Design temperature:-196℃~+80℃

适用介质/Applicable medium:LNG 、LO2、LN2、LAr

连接方式/Connection method:插焊

公称通径/Nominal diameter:10mm~50mm

主要零部件名称 Main components name材料 Materials
阀体/Valve bodyZG0Cr18Ni9
阀瓣/Valve disc0Cr18Ni9Ti
主密封件/Main sealPTFE
型号/Model主要外形和连接尺寸/Main form and the connection size (mm)重量(kg)

HLD0D1D2BWeight
DH-10P5660Ф13Ф14.5Ф246
DH-15P6265Ф15Ф18.5Ф29.560.7
DH-20P7180Ф20Ф25.5Ф368
DH-25P7890Ф25Ф32.5Ф43.581.4
DH-32P90105Ф32Ф38.5Ф538
DH-40P99120Ф40Ф45.5Ф6282.86
DH-50P112140Ф50Ф57.5Ф72104.35
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