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  • Water ring vacuum pump unit
    Water ring vacuum pump unit Water ring vacuum pump unit can be understood as a closed cycle water ring vacuum pump system, water ring vacuum pump station, Roots water ring vacuum unit, this type of product in the minds of the majority of users are called water ring vacuum pump unit, ma...

  • Functional status of the domestic stage vacuum pump toilets and improved
    Functional status of the domestic stage vacuum pump toilets and improved Now social vacuum toilets for the increasingly high demand, like we used to sit in the high-speed rail, buses cars, coaches, etc., they need to vacuum toilet is very large, the use of vacuum toilets now in use, there a...

  • Rotary vane vacuum pump overheating reason
    Rotary vane vacuum pump overheating reason Rotary vane vacuum pumps in use will inevitably appear high temperature, rotary vane vacuum pump cavity temperature exceeds the limit of the main causes are: ① oil too; ② heavily polluted due to the oil pump caused by mechanical damage; ...

  • Convert -DN mm diameter value to the value of the conversion
    Convert -DN mm diameter vacuum value to the value of the conversion "Φ" and "DN" is generally used to indicate the diameter, the difference is: "Φ" identifies common diameter of the circle, or the pipe wall thickness is multiplied by the outer diameter, such as: Φ25 &ti...