Merkel Back-Ups

Industrial Seal Inc. offers a wide range of hydraulic and pneumatic rod seal profiles to meet the broad demands of the fluid power industry. These rod seals are offered in a variety of compounds and lip geometries for the best possible solution for a given application.

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+9251 MERKEL Endless PTFE Back-Up Ring

These are high performance Urethane O-Rings for heavy duty applications. They have outstanding wear and tear resistance, and very low compression set ensuring maximum service life. Due to exceptional material strengths, these O-Rings do not require back-up rings when operating at high temperatures and/or pressures. These are ideal when the design of the cylinder is such that only a small sealing space is available.

Technical Data

Pressure	Max. Temp (F°)
6000	200

+9258 MERKEL Split PTFE Back-Up Ring for O-Rings

These are high performance Urethane O-Rings for heavy duty applications. They have outstanding wear and tear resistance, and very low compression set ensuring maximum service life. Due to the exceptional material strengths, these O-Rings do not require back-up rings when operating at high temperatures and/or pressures. These are ideal when the design of the cylinder is such that only a small sealing space is available.

Technical Data