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板式换热器板片有哪些质量要求?

Author:heat exchanger    Publish time:2022-04-08 19:24:00    View:245

板式换热器在民用和工业中已经得到了广泛应用,板片则是热交换器的传热元件,对换热器的性能有很大的影响。

下面小编向大家讲解板式换热器板片的质量要求:

(1)板片波纹深度和垫片槽深度偏差应符合下表的规定:

(2)板片表面不允许有超过厚度公差的凹坑、划伤、压痕等缺陷。

(3)板片周边及角孔冲切毛刺应清除干净。

(4)食品工业用的板片,冲压后其工作表面的粗糙度应不差于原板材。

(5)波纹深度偏差应不大于0.20mm,垫片槽深度偏差也应不大于0.20mm。

(6)成型减薄量应不大于原实际板厚的25%。

(7)任意方向的基面平行度应不大于3/1000mm。

(8)板片应抽样检查,不允许有微裂纹。

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