Impeller pump QJR series

waterelectricsubmersible

QJR series spring pump is widely used in special occasions like heating for warmth, physiotherapy, health care, earth energy utilization, etc. Its motor and pump are united into one. Its structure is simple, easy to install and disassemble, taking little space. It is easy to use and maintain, works safely and reliably, causing no pollution to water source. QJR Hot water well submersible pump Service conditions 1. 380V voltage, error less than ±5%; frequency 50HZ, error less than ±1％; three-phase power supply 2. The chamber of the motor must be filled with clean water 3. The 1st grade of the impeller shall be immersed as least 2m below dynamic water level; the electric pump unit shall be immersed no more than 70m deep under the static water; the bottom of the motor shall be at least 3m above the bottom of the well. 4.The temperature of QJR type hot water spring electric pump can reach 120℃ 5.The sand content of the water(by quality) shall be no more than 0.01％ 6. The PH value of water shall be 6.5-8.5 7. The content of hydrogen sulfide in water not more than 1.5 mg/l. 8. The content of chloridion in water shall not be higher than 400mg/l. 9. The water source shall provide enough water for the pump to work continuously.