Seals & O-rings

Making Strides Towards Liner Seal Technology

Parker Engineered Materials Group has developed a wide range of materials for liner seals to meet the demands of the ever increasing temperature requirements in liner seal applications. The new...
On June 29, 2017

Use a Metal Seal for Those High Temperature or High Pressure Situations!

Parker Hannifin Engineered Materials Group has developed a wide variety of metal seals which can be formed or machined. A metal seal is a highly engineered sealing solution which provides...
On June 22, 2017

What O-Rings Do You Recommend for an E85 Rated Assembly?

With the desire for renewable energy sources, coupled with dependence on foreign oil, Americans are becoming increasingly interested in alcohol/fuel blends. There are nearly 20 million flex fuel...
On June 16, 2017

A Guide to Selecting the Proper Sealing Material for Food Applications

The substances used in the food and in the chemical process industries are identical in many cases, whether they are of natural origin or synthetically produced.   Irrespective of their type and...
On June 9, 2017

Racetrack Grooves: Can O-Rings be used in Non-Circular Groove Patterns?

Can O-rings be used in rectangular or non-circular groove patterns? This question comes up weekly, and the answer is a resounding “Yes!” however there are definite guidelines we want to follow....
On June 7, 2017

Seals and the Quest for MPG

Customer demand and government regulations continue to push the automotive industry to improve efficiency, and many of these improvements affect seal materials and seal material selection. But how and...
On May 31, 2017

How to Read a Test Report: 4 Most Common Rubber Test Report Misunderstandings

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,...
On April 26, 2017

CamLock Seals Extend Seal Life with Innovative Dual Bead Design

Cam and groove style couplings, commonly referred to as camlock fittings, are used across many industries due to their ability to quickly connect and disconnect from holding tanks, pumps, filters, or...
On April 19, 2017

Chemical Compatibility: A Critical Component in Seal Design

A common question fielded by Parker O-ring Application Engineers is “will a (insert polymer family) O-ring work with (insert chemical mixture).” Not a day goes by where I do not field this question...
On April 5, 2017

Press-in-Place Seals for Axial Sealing Applications

O-rings are a universal seal throughout the world. However, some axial applications may benefit from a different sealing solution called a Press-in-Place seal, or PIP seal. First, let’s define axial...
On March 16, 2017

Modular Seal Kit for Pneumatic Cylinders Covers All Kinds of Applications

Parker Prädifa offers a large number of combined pneumatic seals and wipers for the open groove of the EU system. By installing the right type of seal, a wide range of applications can be covered with...
On February 8, 2017

Overmolding Technology Enhances Safety of Single-Use Systems

Single-use systems (SUS) for up- and downstream processing in the pharmaceutical industry have become widely accepted in recent years due to their advantages in many operations, such as...
On January 31, 2017

Innovative Heavy-Duty Vehicle Technology on Display at IFPE

From optimizing peak performance to minimizing unplanned downtime, the products and systems Parker will showcase at IFPE 2017 are designed specifically to help its customers increase...
On January 20, 2017

3 Advantages of a Double Chamfer Radial Seal

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,...
On January 4, 2017

Cost and Waste Saving Benefits of Resealable Septa for Medical Applications

In the medical industry, oftentimes it is necessary to test a single blood sample a number of times. Other times, a patient may need to be injected with multiple doses of a medicine or...
On December 28, 2016

O-Rings and Seals for Automotive Transmission Fluid

Efficiency gains in the automotive industry are not limited to engine designs. Transmissions are also undergoing significant changes to increase fuel mileage. To reduce friction and cope with more...
On September 29, 2016

What to Know About O-ring Cytotoxicity and the Pharmaceutical Industry

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...
On September 14, 2016

Seal Materials for Biodiesel

With the price of oil at rock bottom, it seems that no one is interested in biodiesel these days. But don’t think that cheap oil is a long-term solution. At some point, the price of oil will rise and...
On August 31, 2016

Why is Shore A Hardness Important?

O-rings are the simplest, most readily available type of seal used across every industry and market. They are arguably the best seal for many applications, but perhaps daunting to an engineer with...
On August 16, 2016

Optimum Sealing Performance, Even in Low-Pressure Conditions With the HL Rod Seal

Operators of fluid power systems increasingly demand friction-optimised piston and rod seals for hydraulic cylinders. High friction not only means high use of energy, but can also lead to premature...
On August 16, 2016