... Max. medium temp.:100 C; ISO9001,ISO14001,CE,CCC Cast iron,stainless steel QS series submersible pump can be ... proof winding wire, and it is rewindable.QSR series submersible pump can be used to pumping hot ... , the medium temperature should be less than 100°C, featuring heat-resisting, corrosion resistance, anti-aging. ... shell.Medium temperature: Less than 40°C for QS series; Less than 100°C fo QSR ...