【低温单向止回阀】上海竟一实业有限公司

dh系列低温升降式止回阀dh系列低温升降式止回阀dh series low temperature lift check valve

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 issuitable for low temperature storage tank, tank car and tank car toprevent the reverse medium, is widely used in lng, ethylene andother low temperature liquid medium, has the characteristics of thesealing is reliable.

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）
hld0d1d2bweightdh-10p5660Ф13Ф14.5Ф246
dh-15p6265Ф15Ф18.5Ф29.560.7dh-20p7180Ф20Ф25.5Ф368
dh-25p7890Ф25Ф32.5Ф43.581.4dh-32p90105Ф32Ф38.5Ф538
dh-40p99120Ф40Ф45.5Ф6282.86dh-50p112140Ф50Ф57.5Ф72104.0

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