HE - DEIGN FEATURES                                                                   1 Volute Casing : Top centreline discharge, self venting volute casing formed out injection moulded polypropylene.   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, 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 : Thick walled solid injection moulded polypropylene.   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 0.05mm.   8 Mechanical Seal / Gland Packing : Pumps are fitted with either mechanical seal or gland packing depending on the service conditions.