Tag: deep vacuum pump

Product Description Vacuum pump,2 Inch 3 Inch deep well Water Pump with inverter system Product Structure: Model code: For example: 100QJ3-55/10(S) 1)100 mean:”Well diameter 100mm(4″) If 150 mean:”Well diamer 150mm (6″) 2)QJ mean :”impeller number” 3)3 mean:”Capacity in efficient point(m3/h)” 4)55 mean:”Total head in best effient point(m)” 5)S mean:”Single phase”      4″  submersible pump /plastic…