Zhejiang Bowei Pump Co.,Ltd.
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BoweiModel STM2 -4" Deep Well Submersible Pump

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ldentification Code: 4STM2-6.  4:Well diameter: 4". ST: submersible pump model. M: Single phase motor(three phase without M). 2: Capacity(m3/h). 6:Stage.

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  • For water supply from wells or reservoir
  • For domestic use, for civil and industrial application
  • For garden use and irrigation
  • Suitable fluids
  • Clear ,free from solid or abrasive substances
  • Chemically neutral and close to the characteristics of water
  • Performance
  • Speed range:2900rpm
  • Fluid temperature range:- 10°C ~40°C
  • Max.Working pressure:40 bar
  • Ambient Temperature
  • Permissible up to40°C

Power

  • Single phase:1- -240V/50Hz,
  • three-phase:380V-415V/50Hz

Motor

  • Degree of protection:IP68
  • Insulation class: B
  • Construction Materials
  • Casing both of pump and motor, pump shaft:stainless steel
  • AISI304
  • Outlet and Inlet:bronze
  • Impeller and diffuser, non-return vale:thermoplastic
  • resin PPO
  • Control switch, waterproof glue.