... Pump, High Head Pump 1.Made of Chromium-Steel 2.Dual mechanical seal, SIC mechanical sealSlurry Pump, Sewage Slurry Pump ... standard.4. The pump uses SIC material of dual mechanical seal and high-thermo enduring lubricated bead bearing.5. The ... underground, subway, building foundation, underground spring discharges.5. The water accumulation of civil engineering, spring water, sewage, the basement, the ...