2. Mechanical seal is the key part of
submersible">submersible
sewage pump, the reliability of it decide the
submersible">submersible
sewage pump life.
作为潜水污水泵关键部件的机械密封,其可靠性决定潜水污水泵的使用寿命。
3. Additionally, the Pump Manufacturer shall provide and administer a 5-year, prorated materials warranty on the Dry Pit Submersible Pump against defects in materials and workmanship.
此外,对于所采用的材质制造工艺上有缺陷干井潜水泵,泵制造商应该提供和执行为期5年的分派材料保证。