Cylinder Cover Back-Up Ring (Model: SC-35), manufactured from PTFE via compression molding with compressive strength ≥80MPa and operational temperature range -40°C to 200°C, compatible with Myers Aplex SC-35 mud pump cylinder head sealing systems. API 7K certified to prevent O-ring extrusion under high pressure (≤3500psi), extending seal life by over 30%.
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