Vertical Non-Clog Pumps by Jyoti Limited

The bearing pedestal is sturdily built with the bearing-houses and is cast in one piece. Both the bearing houses are bored in the same operation, ensuring perfect concentricity. The casing and bearing pedestal brackets are connected by close tolerance spigot and socket flanges. Deep-groove ball bearings are properly spaced to provide rigid support to the impeller. Impeller overhang is reduced to the minimum by extending the impeller hub quite close to the pedestal. The bearings are oil-lubricated. However, pumps with grease-lubricated bearings can also be supplied on request. Back repelling vanes are provided on the impeller so that pressure on stuffing box and leakage through gland are minimized.

Eccentric Locking

The impeller is firmly locked in position by a long threaded nut, which is held firmly in position by an eccentric screw.

Impeller

It is a two/three-vane, non-clogging enclosed type impeller with wide passage capable of carrying soft solids and other non-string materials. Semi-open type impellers can also be supplied on request.

Hydraulic balancing of the impeller is achieved by means of back vane which also relieves the pressure on the stuffing box to a large extent. In order to ensure smooth running and freedom from vibrations, every pump impeller is carefully balanced.

Stuffing Box

The stuffing box is of versatile design, open to many adaptations to meet varying service conditions. The gland packing is normally grease-lubricated. However, it can be fed easily with pressurised run-through water. Water can be injected through the hole where the grease pipe is normally connected and water can be taken-off from the opposite side. This is especially useful when pump is required to handle hot liquids.