MECHANICAL SEALS • PUMP SEALS • GLAND PACKINGS

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Cartridge Mechanical Seals Replace Gland Packing

Pump Changed From Gland Packing To Cartridge Mechanical Seal

Pump Changed From Gland Packing To Cartridge Mechanical Seal

MORE PICS of another Gold Coast City Council pump converted to cartridge mechanical seals.

Gland Packing vs Cartridge Mechanical Seal

An end face cartridge mechanical seal, also referred to as a mechanical face seal but typically simply as a mechanical seal, is a kind of seal made use of in rotating devices, such as pumps, mixers, blowers, and compressors. Earlier pump designs made use of mechanical packing (otherwise understood as Gland Packing) to seal the shaft.

End face cartridge mechanical seals makes use of both versatile and rigid aspects that maintain contact at a sealing user interface and slide on each other, permitting a rotating aspect to travel through a covered case. The elements are both hydraulically and mechanically loaded with a spring or other gadget to keep contact.

Cartridge Mechanical Seals Principles

Pump Converted To Cartridge Mechanical Seal

Pump Converted To Cartridge Mechanical Seal

A mechanical seal has to contain four functional components, main sealing surfaces, secondary sealing surfaces, a method of actuation, and a method of drive:.

The main sealing surfaces are the heart of the gadget. An usual combination includes a difficult product, such as silicon carbide, Tungsten or ceramic carbide, embedded in the pump case and a softer product, such as carbon in the rotating seal assembly.

Many other materials can be made use of depending upon the liquid’s chemical homes, pressure, and temperature. These 2 rings are in intimate contact, one ring rotates with the shaft, the other ring is fixed. These 2 rings are machined making use of a machining procedure called lapping in order to obtain the essential degree of flatness.

The secondary sealing surfaces (there might be a variety of them) are those other points in the seal that require a fluid barrier however are not rotating relative to one another. Typically the secondary sealing elements are o-rings, PTFE wedges or rubber diaphragms.

In order to keep the 2 primary sealing surfaces in intimate contact, an actuation force is required and is commonly provided by a spring. In combination with the spring, it may likewise be offered by the pressure of the sealed fluid.

The main sealing surface areas have to be the only parts of the seal that are allowed to rotate relative to one another, they have to not rotate relative to the parts of the seal that hold them in place. To keep this non-rotation an approach of drive should be provided.

An end face mechanical seal, likewise referred to as a mechanical face seal but normally just as a mechanical seal, is a type of seal made use of in rotating equipment, such as pumps, mixers, compressors, and blowers. Earlier pump models made use of mechanical packing (otherwise known as Gland Packing) to seal the shaft. Because World War II, mechanical seals have replaced packing in lots of applications.


Replacement Seals 4 these Pumps +

  • GRUNDFOS ®
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  • ABS SULZER ®
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  • MONO ®
  • GORMAN RUPP ®
  • GOODWIN SYKES®
  • LOWARA®
  • ALPHA LAVAL ®
  • EBARA ®
  • HIDROSTAL ®
  • APV PUMA ®
  • CORNELL ®

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