The QD/Q series dry submersible pump(electronic pump), which carry out JB/T8092-2006 standard, production license No.: Xk06-216-00178. Electronic pump consists of pump, mechanical seal and motor. Pump is at the upper part, which adopt multi-centrifugal impeller. Motor use monophase or triphase, which is at the bottom part and seal is used a kind of double face mechanical seal between pump and motor and "O" rings are be used each fixed sealing place as static seal.