Details: supply, installation, testing & commissioning of open well pumping units as per is 14220. pump: - type of pump : open well submersible (horizontal) quality of water to be handled : spring waterdischarge : 650 lpm head :- 70 mtrmaterial of construction:• pump casing : cast iron• impeller : ss• pump shaft : stainless steel 410• motor body : cast iron/ss• sealing : dual mech. seal the bowl plate shall be provided with name plate giving complete specifications motor: - motor rating: not less than 20 h.p• method of starting: star – delta/dol (as specified).• frequency : 50hz + 3%• voltage : 415 + 6 %, - 15% 3 phase• class of insulation: suitable for above rating.• sealing : dual mech. seal. provided with thermal and overload protection.dual mechanical seals (01 no) and bearings (02 no) for each pumping unit must be provided as spare parts for preventive maintenance by the firm.the motor shall be made of corrosion resisting materials to resist corrosion under normal conditions
Sector: Water supply and Sewerage