Polyurethane Oil Seals
The Enshi company's own supply window names polyurethane oil seals; confirm the actual profile, dimensions and offered compound.
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The supplier separately lists an oil-seal entry combining PTFE and stainless steel; request the actual construction and mating-shaft requirements.
Supply the shaft and housing dimensions, rotation, contact medium, operating environment and existing seal reference. Ask for the actual proposed sealing construction and material information for the selected shaft installation. Request the current catalogue or drawing for this item, and confirm the offered configuration and supporting documents with the company before specifying an order.