Understanding Pump Sealing Mechanical Seal vs Packing

Let’s find the benefits and

which one more effective ?

Today People should know this which is the best Mechanical Seal vs Packing to your Pumps, Agitator or other equipment. But some years ago people didn’t want to switch from Packing into Mechanical Seal. Because of the complicated installation and need to completely disassemble the equipment.

The invention of cartridge and Split Mechanical Seals effectively eliminated those dilemmas, but many operations have stayed with Pump Packing out of sheer habit in situations in which seals would provide a better return.

Likewise, some customers will try to make a mechanical seal fit into an application where packing makes more sense. This article provides information on making the best sealing choice based on operational priorities, applications, and budget.

WHEN MECHANICAL SEALS ARE THE CLEAR-CUT CHOICE

For many types of equipment, applications, or conditions, using a mechanical seal is really the only effective sealing option. This decision focuses on the safety or environmental issues associated with leakage.

A mechanical seal, and more specifically a double mechanical seal, should always be used when the pumped fluid presents a safety, health, or environmental hazard. Packing cannot be 100% leak free. Even when leakage isn’t visible, harmful vapors could be escaping. This is also true for single mechanical seals.

WHEN PACKING IS THE CHOICE

In many cases, compression packing IS still the right answer for rotating equipment applications. When the factors above are not an issue and adequate staff is available for adjustments and repacking, packing offers a low up-front cost and fairly simple maintenance. And although some say that packing requires more energy than mechanical seals, our testing has found that they are essentially the same.

ESTABLISHING PRIORITIES

However, often the decision to use Mechanical Seal vs Packing in pumps, agitators, and mixers is more blurred and requires a careful assessment of what is most important to your operation. Here are some factor whether to choose Mechanical seal or Packing

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This article presented by : A.W. Chesterton Company

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