ESP Blog

Seal Spring Types

Posted June 22, 2020 by Jason Huff

Four Types of Seal Springs Whitepapers On Whiteboard VIDEO TRANSCRIPT Why Are Springs Used With Seals? The main reason to use a spring would be to overcome the limitations of the primary seal element. Generally, seals made from... Read More

Unique Benefits of Parker JM Clipper Seals

Posted June 9, 2020 by Don Grawe

“Not All Seals Are Considered Equal” Parker JM Clipper® Seal Whitepapers On Whiteboard VIDEO TRANSCRIPT Welcome to our next installment of ESP’s “Not All Seals Are Created Equal.” Today we are going to talk... Read More

O-Ring Spiral Failure

Posted April 15, 2020 by Don Grawe

“Not All O-Rings Are Considered Equal” Spiral Failure Whitepapers On Whiteboard VIDEO TRANSCRIPT Hello and welcome to another installment of “Not All O-Rings Are Created Equal.” I’m going to take a few minutes... Read More

Are Piston & Rod Wear Rings Interchangeable?

Posted March 16, 2020 by Jesse Thomas

Are Piston & Rod Wear Rings Interchangeable? Whitepapers On Whiteboard Click on the image to open in a New Tab. VIDEO TRANSCRIPT Today we are going to talk about the differences between piston and rod wear rings. What I’ve... Read More

What Is An Accumulator?

Posted February 14, 2020 by Miguel Vita

What Is An Accumulator? Whitepapers On Whiteboard Click on the image to open in a New Tab. VIDEO TRANSCRIPT Hi everybody. Welcome to white papers on whiteboard. My name is Miguel Vita. I work for Freudenberg in the hydraulic... Read More

Why PTFE Rotary Seals vs normal rubber?

Posted December 27, 2019 by Jason Huff

Why PTFE Rotary Seals vs Normal Rubber? Whitepapers On Whiteboard Click on the image to open in a New Tab. VIDEO TRANSCRIPT Today we’re going to talk about PTFE rotary seals. PTFE is more commonly... Read More

What is FDA, 3A, & NSF?

Posted November 5, 2019 by Don Grawe

What is FDA, 3A, & NSF? Food Grade & Potable Water. Whitepapers On Whiteboard SUMMARY FDA, 3A, and NSF are common standards for the production of o-rings within the food grade and potable water industries. Each... Read More

What Is Tensile Strength?

Posted September 18, 2019 by Don Grawe

Not All O-Rings Are Created Equal! (Tensile Strength) Whitepapers On Whiteboard SUMMARY Welcome to our latest edition of “Not All O-rings Are Created Equal.” In previous editions, we’ve talked about some of the... Read More

The Importance of the PV Value

Posted August 2, 2019 by Jason Huff

The Importance of the PV Value When Selecting A Seal Whitepapers On Whiteboard SUMMARY Pressure velocity, or PV value, is the combination of the pressure of the application and the speed of either the rotating or... Read More

Shaft Lead A.K.A "Twist"

Posted July 19, 2019 by Andrew Rommann

Shaft Lead A.K.A “Twist” Whitepapers On Whiteboard SUMMARY For optimum performance of seals, the shaft surface texture must be optimal. A rough surface texture will cause the seal to wear out quickly, while a... Read More

Durometer Scales - The Basics

Posted July 19, 2019 by Jason Huff

Durometer Scales – The Basics Whitepapers On Whiteboard SUMMARY Today we’re going to talk about durometer of rubber products. Durometer is a measurement of hardness and like other hardness test measures the... Read More

How To Measure O-Rings

Posted July 19, 2019 by DJ Rodman

How To Measure O Rings (AS568 Aerospace Standard) Whitepapers On Whiteboard SUMMARY The AS568 o-ring size chart, published by the Society of Automotive Engineers (S.A.E), sets a standard for universal o-ring sizing. The... Read More

Deconstructing An ASTM D2000 Line Callout

Posted July 19, 2019 by Andrew Rommann

Deconstructing An ASTM D2000 Line Callout Whitepapers On Whiteboard SUMMARY The Society of Automotive Engineers (SAE) and the American Society for Testing and Materials (ASTM) established ASTM D2000 to help provide... Read More

Not All O-Rings Are Creaed Equal! Part II (Elongation)

Posted July 19, 2019 by Don Grawe

Not All O-rings Are Created Equal! Part II (Elongation) Whitepapers On Whiteboard SUMMARY In most applications, to create an effective seal an o-ring must be slightly smaller than the groove it sits on – stretched... Read More

Obtaining Elastomer Shelf Life

Posted July 19, 2019 by Hanna Nguyen

Obtaining Elastomer Shelf Life Whitepapers On Whiteboard SUMMARY “Shelf life” is the maximum time (beginning with manufacture date) that an o-ring or elastomeric seal – with proper packaging and storage,... Read More

Metal Face Seal Basics

Posted July 19, 2019 by Jason Huff

Metal Face Seal Basics Whitepapers On Whiteboard SUMMARY Metal Face Seals provide superior performance in extreme applications where positive lubricant retention and the ability to keep out damaging and/or abrasive... Read More

Features of Radial Shaft Seals

Posted July 19, 2019 by Andrew Rommann

Features of Radial Shaft Seals (One Lip, Two Lip, Red Lip, Blue Lip) Whitepapers On Whiteboard SUMMARY Rotary shaft seals, also known as lip seals, are used to seal rotary elements. Deciding on the type of radial shaft... Read More

Not All O-Rings Are Created Equal! Part I

Posted July 16, 2019 by Don Grawe

Not All O-rings Are Created Equal Whitepapers On Whiteboard SUMMARY A premature o-ring failure is often times due to a combination of root causes. Let’s dive into one of those causes – Compression Set –... Read More