590

High Performance Style 590 Back-up Rings feature exceptional strength and abrasion resistance along with a 53 Shore D hardness rating which makes them suitable for high pressure service where extrusion is a problem. Primarily used as a u-seal back-up, these rings can be used with o-rings. They also retrofit urethane and teflon back-up rings, with greater performance characteristics. 'S' suffix designates a split ring.

SEAL INFORMATION
MATERIALHIGH PERFORMANCE URETHANE
TEMPERATURE RANGE-40° TO +275°F
PRESSURE RANGE VARIES ACCORDING TO DIAMETRAL CLEARANCE
PART NUMBER (Prefix) - (Dash No.)
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