The pump casing shall have material of construction of Cast Iron FG 260 (standard supply), CF8, CF8M, axial suction and radial discharge port, dynamically balanced impeller, steel shaft, stainless steel shaft sleeve.
The pump shaft sealing will be by either gland packing or mechanical shaft seal suitable for 16 bar or 25 bar pressure rating based on shut off pressure of the pump.
The pump shall have closed type impellers and bowl diffusers with material of construction stainless steel AISI 304 sheet metal, pump shaft shall be made of stainless steel AISI 316 material.
The pump shall have back pull out design so as to enable the rotating parts to be removed and serviced without dismantling the suction and discharge pipe work.
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.