The dry pit submersible pumping units shall be self contained , close coupled pump / motor units designed to operate at continuous full load either submerged or non - submerged without the need for any external cooling devices or water jackets 这类干井潜水泵装置应该配置齐全，泵和电机紧密结合，在淹没或没有淹没状态下能够全负荷连续运转，不需要任何外置冷却设备，如水套等。
Additionally , the dry - pit submersible pumps shall operate within the acceptable field vibration limits as established by the hydraulic institute for this class of equipment at all speeds and loads within the operating range specified herein 此外，干井潜水泵应该能够在美国水利协会为这类设备规定的可接受的现场振动范围内，在本说明书的工作范围内，以全速、满负荷进行正常运转。
