What is the longest lasting shaft sleeve material?
Keystone Hard Iron Shaft Sleeve Benefits: Longer Lasting than Carbon Steel Shaft Sleeves. Longer Packing Life = Less Downtime. No Coatings, No Coating Delamination.
What is use of sleeve in shaft?
The basic function of a shaft sleeve is to protect the shaft from packing wear at the stuffing box. Shaft sleeves help protect the running surface of the shaft seal or the surfaces in contact from damage or abrasive wear.
Which material is used for pump shaft?
Pump shafts are stainless steel bars that can vary in shape depending on the pump application. These bars, however, are manufactured to a higher standard than common steel bars.
Why is sleeve used in the pump?
The function of the impeller sleeves is to protect the shaft from wear and coming in contact with the pumping fluid. Pump shafts are usually protected from erosion, corrosion, and wear at seal chambers, leakage joints, internal bearings, and in the waterways by renewable sleeves.
What is a speedy sleeve?
SPEEDI-SLEEVE® THE SPEEDI-SLEEVE® CONCEPT. the quickest and sensible way. to repair worn shafts. To seal efficiently, radial shaft seals must run against a smooth round surface – the seal counterface.
What is a repair sleeve?
A shaft repair sleeve is a very thin metal sleeve that can be inserted onto a worn or damaged shaft as a quick and cost-effective alternative to repairing the shaft.
What is gland packing?
The gland packing is a contact-type sealing element. Compared with other types of shaft seals, they are adjustable and suitable for use with pressures and circumferential speeds higher than those radial shaft seal rings are used for (see also Shaft seal). German Equipment Safety Act.
What is a mechanical seal sleeve?
It acts as a shield for the shaft assembly in pumps and compressors. The shaft sleeve is mounted over a shaft and shaft assembly to protect it in a corrosive environment.
What are sleeves in mechanical?
A sleeve is a tube of material that is put into a cylindrical bore, for example to reduce the diameter of the bore or to line it with a different material. The basic function of a shaft sleeve is to protect the shaft from packing wear at the stuffing box.
What is PSQ material?
In the stainless and nickel industries, Pump Shaft Quality (PSQ) indicates turned, ground and polished shafting used in the rotating industries. The tight diametrical tolerance achieved through grinding decreases wear and gives a more constant product with controlled properties.
Why do pump shafts break?
The main reason that shafts break can often be traced to operational and system reasons. Fatigue failure (also known as failure due to reversed bending fatigue with rotation) is the most common cause of pump shaft fractures/failures.
What is the function of the impeller sleeves?
The function of the impeller sleeves is to protect the shaft from wear and coming in contact with the pumping fluid. Pump shaft sleeve. Pump shafts are usually protected from erosion, corrosion, and wear at seal chambers, leakage joints, internal bearings, and in the waterways by renewable sleeves.
What is a sleeve on a pump shaft?
Pump Shaft Sleeves. The most common shaft sleeve function is that of protecting the shaft from packing wear at the stuffing box. A shaft sleeve used between two multistage pump impellers in conjunction with the inter-stage bushing to form an inter-stage leakage joint is called an inter-stage or distance sleeve.
What is an impeller shaft system?
The concept consists of two contra-rotating impeller shaft arrangements, each driven by a dedicated electric motor. The vertical layout includes one motor above and one below the impellers. A barrier fluid system provides lubrication, cooling, and overpressure protection to ensure system integrity.
How does an impeller pump work?
The axial thrust of the impeller is transmitted through the sleeve to the external shaft nut.In larger high-head pumps, a high axial load on the sleeve is possible and a design similar to that shown in Figure 1 may be preferred. This design has the advantages of simplicity and ease of assembly and maintenance.