BQS50-150 / 2-45 / N: This model represents a mine-proof submersible sand pump. "BQS" stands for explosion-proof submersible sand pump, followed by the rated flow and head. The number "2" indicates the impeller series, while "45-N" refers to an integrated design where the motor is built-in with the ---MORE---
BQS explosion-proof sewage discharge sand pump BQS50-15…