Bqw Explosion-Proof Diving Sewage Pump

Description:                                                                                                                                  
BQW series mining use explosion proof submersible sewage pump
Had passed safety mark of "MA" certification for national safety production mining products, and got Electric explosion-proof certificate from ExdI and approved by The national safety production coal industry . 
This pump are strictly designed and produced according to the explosion proof standard. The motor part strictly adopt anti-explosion measures. The motor enclosure use cast steel, rotor use stainless steel material, flow part use Ductile Iron material.
The pump set can draw the superficial surface water of the working site, and can also be put into water for long-time working. The pump have several advantages: compact structure , small size and easy to move, no need for lead water, double-side mechanical seal, durable in use, safety and reliable, have a good adaptability.
The design of this series pump have a serious concern of every details, to make sure the pump can be run in its best performance and working for a long time.
Main Features:                                                                                                                                         
Electricity: 50Hz frequency, rated voltage 380V/660V(have permit for 5% deviation)3 phase,AC
Note: the buyer need to notify the pump voltage when place an order.  
The submersible depth of the pump can not be exceed 5meter.
The media: PH value 6.5-10,temperature can not exceed 40°C
The solid impurity in the media can not exceed 2% by volume.
The altitude can not exceed 1000m.      
Main Usage:
For those underground water which contain methane or coal dust and other easily explosive gas mixture. And also for the coal water which contain floating coal dust.
 For sewage water and common underground water of Petro-chemical system, coal chemical enterprise and other easily explosive environment.