... submersible sewage pump Models: V180F, V250F, V450F &V750F certiicates: CE, TUV, EPA, SGS material: SS, plastic model V(WQ) submersible sewage pump Function ... and FeatureModel V(WQ) submersible sewage pump series, a branch of single-phase ... higher than 40°C.3. Trans medium’s PH: 4-10.4. Kinematics viscosity of the trans medium: 7x10-7- ...