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Factors Influencing Rotary Shaft Seal Performance: Pressure, Velocity, and Temperature

Posted On September 22, 2017


There are various factors that have a significant impact on the performance and behavior of a rotary shaft seal, including operating conditions (speed, pressure, temperature, environment), the mating shaft (hardness, surface finish, lead), and the choice of material for the seal itself.

In this blog post, we are going to review the operating conditions that must be considered for a successful rotary shaft seal.

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Posted in: PTFE Rotary Shaft Seals

Metal Seals for the Aerospace Industry

Posted On September 08, 2017

The aerospace industry has some of the most exacting requirements for seals of any other industry.

In this blog post, we are going to take a closer look at the type of requirements for metal seals used in the aerospace industry, where they are used, and what types of materials are typically involved in metal seals used in the aerospace industry.

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Posted in: Seals for Aerospace, Metal Seals

Critical Ball Valve Seats: Recommended Materials

Posted On August 25, 2017

 

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Posted in: Ball Valve Seats and Seals, PEEK, PTFE

Four Fast Facts about PTFE Bellows

Posted On August 04, 2017

 

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Posted in: Bellows & Diaphragms

Composite Bushings & Bearings: 3 Benefits

Posted On July 07, 2017

 

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Posted in: Bushings and Bearings

Beginner’s Guide to PTFE and PEEK Backup Rings

Posted On June 29, 2017


Backup rings can be made from a variety of materials, including polymers. In this article, we will look at PTFE and PEEK backup rings while at the same time reviewing some of the basics of backup rings.

Why Use Backup Rings?

Rubber o-rings are good, but when temperatures and pressures rise they have a bad habit of extruding into clearance between mating surfaces, which isn’t a good thing. In fact, extrusion failure is one of the main causes of o-ring failure. As the o-ring begins to extrude into the clearance gap, it will experience more and more damage until it is useless. This phenomenon is sometimes called nibbling, and when it occurs you will notice that the o-ring will have a ragged edge on the low-pressure side.

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Posted in: PEEK, BUR, back up ring, PTFE

Metal Seals for the Chemical and Plastics Industries

Posted On June 23, 2017


There are some applications where polymer seals or elastomeric seals just don’t provide the leak resistance, resilience, and reliability that is needed.
  

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Posted in: Metal Seals

Spring-Energized Seals - Factors That Influence the Performance: Part 1 - Mating Surface

Posted On June 16, 2017


Polymer spring-energized seals are an excellent option for many types of sealing applications.  

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Posted in: Spring-Energized Seals

How to Determine the PV Value in Polymer Sleeve Bearings and Bushings

Posted On June 12, 2017

 

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Posted in: Polymer Bearings, Polymer Bushings

The 4 Top Performing Polymer Bushings for High Speed Applications

Posted On June 02, 2017


High speed bushings can be found in applications as diverse as agricultural equipment and rollercoasters.  When it comes to high speed applications, however, polymer bushings are often underestimated.

In this blog post, we are going to discuss the top four polymer materials for high speed bushings.

Source

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Posted in: Polymer Bushings

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