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Aura™

The Next Generation of John Crane Gas Seals

Aura™ reduces operational and transactional costs using a patented polymeric sealing device. Aura reduces leakage rates by up to 15 percent, lowering the total cost of operation while protecting the environment. An enhanced rotor design extends scheduled maintenance periods, and the optional bi-directional capability reduces the need for an extensive spares inventory.

Aura provides the ultimate reliable operation in temperatures ranging from -58°F to 392°F/ -50°C to 200°C and pressures up to 3190 psi (g)/220 bar (g).

With Aura, operators gain access to localized technical expertise from the largest global service network in the industry, with more than 230 sales and service facilities across 50 countries. Technical support and troubleshooting from service and reliability experts is available on the widest range of applications in the industry.

Find out more about Aura >

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ARUA Seal
  • ARUA Seal
  • AURA Cutaway Seal

Features

  • Unidirectional or bidirectional capability
  • Tandem configuration
  • Robust design building on field-proven pedigree

Parameters

Temperature Limits

-58°F to 392°F/ -50°C to 200°C

Pressure Limits

up to 3190 psi (g)/ 220 bar(g)

Speed Limits

up to 459fps/140m/s measured at balance diameter

Size Limits

for shaft sizes up to 10.25”/260mm, corresponding to seal sizes up to 12.125”/307.9mm

Recommended Applications

  • Centrifugal Compressors
  • Other Compressors

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