Petrol-chemical process pump is very important in the chemical process, which affects the normal running of the chemical enterprise.

石油化工流程泵在化工流程中起着举足轻重的作用，它直接影响着化工企业能否正常运营。

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This paper discussed thoughts of structure design, hydraulic design and seal design of HD type petrol - chemical process pump, in order to communicate with experts in petrol - chemical industry.

本文论述了HD型石油化工流程泵在开发研制过程中结构、水力设计以及密封问题上的思考，与化工行业的同行进行交流。

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