Based on the failure analysis of the fracturing pump valve chamber, a model for calculating its reliability under three-dimensional stress is established, and a computing program is worked out.
基于压裂泵阀箱的失效分析，建立了在三向应力作用下计算阀箱可靠性的模型，设计了计算程序。
As an example, the failure probability and design reliability of the valve chamber on Model YLB-1000 fracturing pump are analyzed, and the critical points are indicated.
以ylb—1000型压裂泵阀箱为例，计算了破坏概率和可靠性，并指出了危险点。
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