The pump volute shall be of cast Iron of grade FG260 as per IS210/ISO 186 standard with vertical discharge port, grinder type vortex impeller with material of construction cast iron, suitable for pumping liquid up to 50 deg. C.
The pumps shall be supplied with in built radial cutter and cutter ring made of corrosion resistant material AISI 440 with hardness of 55-60 Rc.
The Pump shall be supplied with double mechanical shaft seal with material of construction of SiC /SiC/Viton/S.S 316 at the pump end.
The pump shall be close coupled with dry submersible motor, having class F insulation, IP 68 protection, 2900 rpm, epoxy sealed cable entry, with S1 duty for fully submerged and S3 duty for partially submerged application.
All cast iron parts shall be CED (cathode electrode deposition) coated for corrosion resistance with uniform coating and controlled deposition thickness of 20-30 microns.
