Horizontal Slurry Pump Wear Spare Parts -Gland Assembly EP044DC23

Tobee^® Slurry Pump Spare Parts China  are  interchangeable with AH series slurry pump parts, with many good characteristics of abrasion resistance, corrosion resistance etc. Now the slurry pump ceramic parts are continually provided for coal power generation, non-ferrous foundry, mining and others. The corrosion and abrasion resistance of ceramic slurry pump parts are highly exceed ones made by high chrome alloy. The abrasion resistance of ceramic parts are 5 times as wearable as high chrome. However the weight of ceramic parts is only 1/3 of chrome parts.

The stuffing box seal is composed of packing box body, packing, gland, bolt and other basic parts. The packing placed between the box body and the rotating shaft is radially extended under the axial force of the bolt force and the gland, so that the packing is tight. Adhered to the periphery of the rotating shaft, the lubricating oil added from the oil cup will form a very thin oil film between the packing and the contact surface of the rotating shaft when the shaft rotates, which not only has lubricating effect, but also prevents the medium in the kettle from escaping and Infiltration of gas outside the kettle.
The gland is also available with a pair of open gland assembly used for slurry pumps. The slurry pump gland assembly is prone to damage due to stress during packing replacement and adjustment. Previously, usually with wire binding or replacement of gland assembly of slurry pump, often cause the media to continue to leak, both a waste of material, and unsafe. The packing gland has the characteristics of simple structure, easy to use, safe and reliable, and strong emergency. When the gland assembly is damaged, it can be easily and quickly replaced without affecting the normal use of the centrifugal slurry pumps.

Tobee^® Slurry Pump Gland Assembly Codes:

Tobee^® Gland packing:

The gland packing's application limit is primarily determined by the extent to which heat developing due to friction can be dissipated. For heavy-duty gland packings, leakage water is actually pre-cooled by means of an internally cooled shaft protecting sleeve and a cooling jacket.

The packing materials generally employed are braided cords made from asbestos-free yarn such as Ramie, Aramid, PTFE, graphite fibres or cotton, which are processed on special machines to form endless square braids.

The packings can be adjusted and are suitable for higher pressures and circumferential speeds than lip seals. Different packing variants are used depending on whether the pump is run in suction head or suction lift operation, or whether it handles clean or contaminated fluid.

In the case of positive pressure, the gland packing is equipped with three to five packing rings. These packing rings are pressed together axially via the gland follower. As a result they expand radially which means the pressure on the shaft protecting sleeve is increased. This has an influence on the clearance gap width and the leakage rate at this location.

The radial gap between the shaft protecting sleeve and the packing rings allows fluid to leak to the outside. This leakage is required to reliably dissipate the heat generated by friction from the gap. When tightening the gland bolts it is important to find a satisfactory compromise between an acceptable leakage rate and sufficient packing cooling.

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