双自吸泵轴承采用优质机械密封，动、静环由硬质合金制成，耐磨无泄露，使用寿命长。双自吸泵采用先进税利模型、具有效率高，性能好等特点。双自吸泵安装使用维护方便，吐出管路不需要装止回阀，吸入管路不需要安装底阀，因此简化了管路系统，又改善了劳动条件。
The bearing of double self-priming pump adopts high-quality mechanical seal. The dynamic and static rings are made of hard alloy, wear-resistant, leak free and long service life. The double self-priming pump adopts the advanced tax profit model, which has the characteristics of high efficiency and good performance. The installation, operation and maintenance of double self-priming pump are convenient. The discharge pipeline does not need to be installed with check valve, and the suction pipeline does not need to be installed with bottom valve. Therefore, the pipeline system is simplified and the working conditions are improved.