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Oil & Gas

The Oil & Gas industry presents an ever-increasing aggressive environment for equipment, and none is under more pressure than that of the humble seal. From high pressures and temperatures through to the need to drill deeper and deeper for reserves and being in contact with harsh chemicals, the longevity of seals is under constant attack.

The quality and reliability of seals, be they packing, valve, or any other types, is crucial. They not only directly affect performance and maintenance intervals, but their integrity is vital for the safety of all who work within the vicinity. Within the Oil & Gas sector, extremes of all kinds aren’t the exception – they’re normality.

The Challenges

The pressures placed upon seals have increased dramatically as the recovery of oil, gas, and hydrocarbons become ever more complex. The standard seals relied upon for so long are no longer fit for purpose, meaning advanced materials and design are essential for safe and efficient operation.

Some of the challenges that seals are under include:

  • Extremes of temperatures
  • Aggressive chemicals
  • Explosive decompression
  • Naked flames
  • Sour gas
  • Electrical forces

The chemical element that seals must be able to withstand is particularly diverse, including methanol, amines, steam, supercritical CO2, hydrogen sulphide and oil.

Valve Seals, Packing Seals and Sealing Solutions for all Oil & Gas Applications

The solution for effective seals lies in the choice of material from which they’re constructed and the design. Polymers bring strength and longevity to seals under constant challenges from extreme conditions. These include PTFT and PEEK, and both offer outstanding performance against the challenges of today’s production. The former has excellent chemical-resistance properties in extremes of all temperatures, and the latter is highly durable and is resistant to acids, organics and bases.

Cutting-edge seal design combined with such advanced material properties make for off-the-shelf and custom-designed seals that are suitable in all areas of the industry:

  • Upstream: The exploration and recovery sector demands sealing solutions that guarantee excellent performance and longevity whilst recovering hydrocarbon reserves.
  • Midstream: When processing and transporting raw natural gas and crude oil, advanced material and design seals are essential to prevent leaks, conform to legislation and – crucially –continue to do this for extended periods under duress.
  • Downstream: Processing at plants and refineries is a 24/7 process that demands seals that offer excellent MTBF. This is vital to meet environmental responsibilities and cut maintenance tasks and unexpected shutdowns that dramatically affect the bottom line in this highly competitive industry.

Chesterton Customseal is a leading supplier of innovative sealing solutions to the Oil & Gas industry. From patented design off-the-shelf packing seals and valve seals through to customised bespoke solutions that offer the ultimate seals for any need, Chesterton Customseal is proud of its long-standing global reputation for expertise and rapid response.

Get in touch today to find out more.

NBR Material - AWC742

The NBR material – AWC742 we offer at Chesterton Customseal is perfect for use in the oil and gas industry.

Available in various grades and hardnesses, ranging from Shore A 70 to Shore A90, this material is ideal for creating machined O-rings, pneumatic seals, heavy-duty hydraulic seals or custom designs.

For the most demanding applications, we have grades for low-temperature service and explosive decompression environments.

Combined with full traceability of the raw compound to date of cure and Chesterton Customseal’sfull quality assurance, this is a base material for the oil and gas industry.

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HNBR Material - AWC743

A common compound in the oil and gas industry, HNBR – AWC743 is widely known for its chemical resistance.
HNBR is a hydrogenated nitrile rubber material.

With all the benefits of nitrile rubber plus the improved high-temperature rating of 150 degrees C, this material is the perfect choice for sour gas service.

Norsok M710 Annex B approved, this material can be used in applications where rapid gas decompression is present.

With Chesterton’s unique manufacturing machining process, we can produce practically any seal shape and size to meet your needs.

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FKM Material - AWC730

FKM is an elastomer based on fluorinated rubber, a material with exceptional resistance to heat, atmospheric agents and many other chemicals. FKM is a key material for demanding applications you find in the oil and gas industry.

With its extreme temperature and broad chemical resistance, it is widely used in the oil and gas industry across a wide range of equipment.

This chemical resistant material can be used up to a maximum temperature of 220 degrees C with suitable low-temperature degrees down to -50 degrees C.

With the flexibility to machine practically any shape of seal up to 1 meter in diameter, it is possible to guarantee efficiency and reliability with complete traceability.

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FEPM Material – AWC727

Chesterton Customseal FEPM rubber material is ideal for use in the oil and gas industry.

This chemical resistant material can be used to create machined O-rings and specialized custom seals made right here in our Chesterton Customseal warehouse. These custom seals offer a unique solution every time.

FEPM also allows for superior electrical insulation, making it perfect for use in power, electrical grids and applications. This material is just one of Chesterton Customseal’s impressive range and can be used in most applications and industries.

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EPDM MATERIAL - AWC752
EPDM MATERIAL - AWC752

EPDM Material – AWC752

EPDM material is one of Chesterton Customseal’s sealing materials and is perfect for the oil and gas industry.

With specialised properties that make it UV resistant, this material is the one to choose for any application or situation that includes high exposure to sunlight. The material can form machined O-rings, pneumatic, low-duty hydraulic, and combined seal energisers.

Available in 85A hardness, this material can be used throughout the oil and gas industry and will give you the best results every time, with no cracks or warping in direct sunlight!

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Energy Oil and Gas Industrial Seals brochure

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