flameproof submersible sewage pump supplier
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Flameproof Submersible Sewage Pump
Flameproof Submersible Sewage Pump for coal mines consists of three parts: the motor, the pump section, and the sealing oil chamber. The motor is explosion-proof, with Class B insulation, and the highest allowable winding temperature is 40℃. The sealing oil chamber is located below the motor, and a double end-face mechanical seal is installed at the shaft exit of the rotor. No. 10 machine oil is injected into the oil chamber, and there is a sealing oil plug on the sidewall of the oil chamber. Characteristics such as high head, large power reserve, good mechanical strength, and easy installation enable reliable isolation of flammable and explosive gases such as methane. It is suitable for drainage in non-mining working faces in coal mines with methane or coal dust explosion hazards.
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