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Mechanical seals

The scope of our mechanical seal product range far exceeds any other manufacturer.

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Technician Testing Seal

Overview

John Crane offers mechanical seals for many applications, from elastomer bellows seals in domestic water pumps to A/C seals in air-conditioning units.

For mission-critical equipment, such as high-speed turbomachinery compressors, we provide highly customised dry-running gas seals that deliver exceptional performance and safety.

Our world-class rotating equipment technologies, paired with engineering expertise, meet virtually all international standards, including API 682 and API 692.

SOLUTIONS

Explore our mechanical seals solutions

Pump seals

Whether it's achieving API 682 compliance, eliminating fugitive emissions, managing slurries or overcoming maintenance challenges for large pumps, we have a solution.

Compressor seals

John Crane's mechanical gas seals, separation seals and support systems — including monitoring, control and conditioning solutions — form the core of any reliable sealing solution.

Vessel and agitator seals

Our range of vessel and agitator seals can help you achieve reliable, cost-effective and compliant operations that enhance both productivity and safety, whatever your operations take you.

Why John Crane?

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Seal Face Technologies 800X600

TECHNOLOGY

Seal face technologies

Engineered to overcome rigorous challenges, our comprehensive suite of seal face technologies eliminate the issue of limited seal face lubrication, which adversely affects reliability, cost and durability.

Our engineers designed our micro-machined patterns and features to extend rotating equipment lifespans, optimise performance and improve lubrication.

With a tailored approach to your needs, we deliver the right seal face technology for the right application.

More about our seal face technologies
Seal Support Systems 800X600

SUPPORT

Seal support systems

Create the optimum operating environment that will ensure outstanding seal performance and reliability.

Our comprehensive range of engineered pressure reservoirs, gas seal control panels, heat exchangers and abrasive separators can be combined to produce the perfect seal support system for any application.

More about our seal support systems

John Crane Performance Plus™

John Crane Performance Plus is our modular service framework, supported by the largest mechanical seal service network, with over 200 manufacturing, sales and service centres globally. That means we are where you need us, when you need us – empowering people, plant and performance.

More about our Performance Plus service network

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