... the water is less than 0.02%(heavy proportion)PH :6.5-8.0Maximum immersion depth:350 metersSpecial features on request ... submersible pump, KBZ submersible dewatering pump, KBS submersible slurry pump, WQ sewage pump, JET Self -Priming Jet Pump, CPM Micro Centrifugal Pump, borehole pump, QB60 Micro Vortex Pump, shredder pump, QXN submersible pump, QDX submersible pump. Deep well submersible pump ...