Delivering Fluid Sealing Solutions Since 1972

Aerospace Compliance Seals

Elevate Your Standards: Aerospace Seals for Superior Performance

M Barnwell Services is a UK leading manufacturer, stockist, and distributor of Fluid Sealing Products, and offers a comprehensive range of quality Aerospace Compliance Seals.

Most excitingly, is the Perlast® Super-Six range:

Aerospace Compliance Seals. Perlast® Super Six O Rings

Aerospace Compliance

In terms of aerospace compliance seals, the following important points apply:

  • Perlast® G77X, has undergone rigorous external testing in accordance with AMS 7257E standards, and it has successfully met all requirements.
  • Perlast® G77X is soon joining the PRI-QPL (Performance Review Institute Qualified Products List) database, confirming its position as a trusted and approved material for aerospace applications.
  • The materials undergoes regular audits and holds certifications to demonstrate our commitment to quality and compliance. Manufacturing partner is Nadcap audited and certified.
  • Additionally, the maintained AS 9100D certification, which signifies our adherence to stringent aerospace industry standards.

Perlast® G77X

Perlast® G77X is meticulously crafted to ensure extended durability and reliable performance across various pivotal sectors, such as chemical processing, aerospace, and mechanical seals. This material boasts versatility, seamlessly moulding into both O Rings and personalised configurations to meet diverse application needs.

Key Features

  • Industry-leading low compression set.
  • Superior sealing force at high temperatures >300°C.
  • Aerospace AMS 7257 Rev E tested (see below) and QPL listed.
  • Long-term durability and reliability.
  • Extend service/maintenance intervals.
  • Lower cost of ownership.

For more information, visit our specialist Perlast® G77X web page.

AMS 7257 Test Results

All four materials meet the AMS 7257 test requirements.

AMS 7257 Test ResultsAMS 7257 Test ResultsAMS 7257 Test ResultsAMS 7257 Test Results

We are continuously researching, designing, enhancing, and distributing a diverse range of parts that are critical to the NATO (stock numbers NSN), NES 337 (Naval Standard) UK Ministry of Defence (MOD), AS9100 Rev.C, and DEF STAN specifications. We can produce bespoke O Rings and special mouldings tailored to meet the specific requirements of your application.

To find out more, see our Aerospace and Defence page, or contact us for more information on our range of Aerospace Seals and Defence Seals.

You are in Safe Hands

As a reliable partner to global OEM manufacturers, M Barnwell Services ensures quality products and an exceptional service experience. With £5.1 million in sealing inventory and five UK branches strategically positioned, we’re primed to meet and surpass your needs.

E&OE. M Barnwell Services endeavour to make sure that all content is correct. We have gathered this information from manufacturing partners. (Perlast® is a trademark of Precision Polymer Engineering (PPE). M Barnwell Services does not manufacture Perlast® products.)

Sizes

Customisable, to meet your specifications.

Materials

Perlast® G77X, Perlast® G75B, Perlast® G74S, Perlast® G80A, Perlast® G75LT, Perlast® G90LT

Applications

Perlast® G77X: Aerospace seals and gaskets, High-pressure hydraulic systems, Chemical processing equipment, Mechanical seals for pumps and compressors.

Perlast® G75B: Oil and gas exploration and production equipment, Semiconductor manufacturing processes, Chemical reactors and mixing vessels, High-performance automotive seals.

Perlast® G74S: Pharmaceutical processing equipment, Food and beverage processing machinery, Cryogenic systems and components, Laboratory and medical devices.

Perlast® G80A: Semiconductor fabrication equipment, Aerospace engine components, High-speed rotating machinery, Vacuum systems and chambers.

Perlast® G75LT: Cryogenic valves and fittings, Subsea oil and gas equipment, Refrigeration systems and compressors, Extreme low-temperature aerospace applications.

Perlast® G90LT: Extreme low-temperature aerospace seals, Cryogenic storage and transport systems, Antarctic exploration equipment, High-altitude aerospace components.