Author Sealing & Shielding Team
Heavy duty equipment moves industry forward in all climates, from
the sunny Caribbean to icy Greenland. Effective, reliable sealing
is what allows hydraulic systems in heavy duty equipment to do
work,...
Posted On 06/25/2020
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Author Sealing & Shielding Team
There are 400+ standard O-ring sizes, so which is the right one for
an application? Or maybe you are wondering if one O-ring
thickness is better than another. This question is posed to us
several...
Posted On 05/20/2020
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Author Sealing & Shielding Team
In the rush to massively increase the number of ventilators
available to treat patients with severe cases of Covid-19, using
the correct seal materials for those ventilators should never take
a back...
Posted On 04/30/2020
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Author Parker Global Team
Today, the demand for life-saving ventilators is challenging
medical equipment manufacturers’ production capacity and supply
chains around the world to perform at levels well beyond...
Posted On 04/07/2020
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Author Parker Global Team
For medical device manufacturers, it is now more important than
ever to operate at the highest capacity in order to increase the
supply of essential equipment used for patient care.
COVID-19 is...
Posted On 04/07/2020
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Author Sealing & Shielding Team
Parts 1 and 2 of this series discussed the theory behind CSR
testing and what to look for in a CSR result curve. This 3rd
and final section will focus on how to use CSR data and apply it to
real...
Posted On 03/26/2020
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Author Sealing & Shielding Team
In Part 1 of this series, the theory behind Compressive Stress
Relaxation (CSR) testing was discussed, as well as a brief
discussion of the fixtures used to measure it. In Part 2, we
will explore what...
Posted On 03/19/2020
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Author Sealing & Shielding Team
Compressive Stress Relaxation (CSR) is a means of estimating the
service life of a rubber seal over an extended period of
time. As such, it can be thought of as the big brother of
compression set...
Posted On 03/12/2020
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Author Sealing & Shielding Team
As mentioned in part one of our seal failure blog series, O-ring
and seal failures are often due to a combination of failure
modes, making root cause difficult to uncover. It's important to
gather...
Posted On 03/05/2020
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Author Sealing & Shielding Team
So, you’ve unboxed the shiny new Parker seals you ordered –
now what? Installing seals for the first time can be
challenging without the right know-how and tools. In this article
we’ll discuss best...
Posted On 02/24/2020
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Author Sealing & Shielding Team
There are many situations where an O-Ring may not last as long as
one thinks that it should. When the expectation is realistic and
yet the seal fails earlier than expected, the...
Posted On 02/05/2020
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Author Sealing & Shielding Team
When classic sealing materials – for instance in temperature ranges
above 300°C and below -50°C – reach their limits alternative
materials are required such as metal with appropriate
coating/plating....
Posted On 01/21/2020
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Author Sealing & Shielding Team
Most pharmaceutical manufacturers produce drugs in large vats of
living cell cultures. For the production of these drugs, it is
extremely important to ensure that these cell cultures are not
exposed...
Posted On 01/16/2020
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Author Sealing & Shielding Team
As automatic transmissions become more advanced as a system, the
components within must evolve as well. Performance drives the
design and there are many factors that must mesh together to
achieve the...
Posted On 12/18/2019
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Author Sealing & Shielding Team
More often than not, an O-ring makes for a great sealing element.
They seal over a wide range of pressure, temperature and tolerance.
Normally they require very little room, are readily available,...
Posted On 12/03/2019
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Author Sealing & Shielding Team
Are you uncertain of what to look for when comparing material data
reports for various elastomers? Ever wonder about the impact
a seal’s durometer has in the application? Have you asked, ‘What...
Posted On 11/21/2019
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Author Sealing & Shielding Team
We've all done it at least once: looked at a report, read the
numbers on it, and come up with exactly the wrong conclusion.
Pass/fail limits and results are printed right there, but for some
reason,...
Posted On 11/13/2019
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Author Sealing & Shielding Team
I have had many discussions with customers as to the value of using
an ASTM elastomer compound description on their prints to define a
specific application or elastomer requirement versus listing...
Posted On 11/05/2019
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Author Sealing & Shielding Team
Seals made of the fluoropolymer PTFE are used where many other
sealing materials (such as rubber elastomers, polyurethanes,
fabric-reinforced elastomer seals, etc.) reach their limits in
terms of...
Posted On 10/23/2019
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Author Sealing & Shielding Team
In our July Semiconductor entry, we noted that lowering the
cost of ownership is a multi-faceted goal. We discussed how one of
the areas for potential improvement is mechanical design and how
the...
Posted On 10/15/2019
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