KNS - DEIGN FEATURES                                                         1 Volute Casing: Top centreline discharge, self venting volute casing lined with PFA/FEP. Minimum liningthickness of 6 mm, lining locked by multiple locking grooves. Outer body graded cast iron as per ASTM standard, other materials like cast steel / stainless steel available on request.   5 Ball Bearings: Inboard bearing is pressed on shaft and free to float axially in frame - carries radial load only. Outboard double row ball bearing is shouldered and locked on shaft with lock-nut and washer, and in bearing housing to carry radial and any unbalanced thrust load. All bearing fits are precision bored.           2 Impeller: All impellers are precision moulded in PFA/FEP, light in weight, semi open construction, with large contoured flow passages for maximum handling of the liquid.   6 Shaft : Designed for maximum 0.05 mm deflection at mechanical seal. Available in EN / Stainless Steel.           3 Backplate : Lined with thick walled PFA/FEP. Minimum lining thickness of 6 mm, lining locked by multiple locking grooves. Outer body graded cast iron as per ASTM standard,other materials like cast steel / stainless steel available on request.   7 Sleeve : Shaft Sleeve of different material depending on the compatibility of the liquid to be handled.           4. Bearing Frame: Heavy Cast Iron construction, precision machined for no shaft deflection of more than 0.05 mm, contains large oil reservoir.   8 Mechanical Seal : Available in single or double seal arrangements with wide variety of seal faces.