MKC SEAL manufactured D-series seals represent advanced engineering solutions designed for complex bidirectional fluid isolation and rugged reciprocating rod protection. This robust lineage spans a versatile fleet of specialized industrial and heavy-machinery profiles—including rubber-wrapped dual-spring designs (DC), metal-cased double-spring variations (DB), and industry-standard metal-reinforced wiper series (DKB). Engineered with superior dynamic stabilization and precise geometric tolerances, the entire series delivers reliable zero-leakage medium partitioning and aggressive external mud scraping across hydraulic cylinders, heavy-duty gearboxes, and specialized industrial pumps.

Applications

Ideal for equipment exposed to dusty or wet environments, including agricultural machinery, construction pumps, vehicle wheel hubs and outdoor reducers. Works well under medium rotation speed with dual protection against leakage and external contaminants.

Selection Guide

Select based on shaft diameter, housing bore and seal width to fit groove dimensions. Confirm working temperature, rotational speed, fluid medium and pressure. MKC matches materials like NBR, HNBR, FKM and EPDM according to dusty, humid or high-temperature working surroundings.

Materials

Multiple rubber materials are optional for D series: cost-efficient NBR, high-temperature HNBR/ACM, wide-temperature VMQ, chemical-resistant FKM and ozone-resistant EPDM, adapting to various harsh outdoor working conditions.

Inquiry Info

Provide shaft size, housing inner diameter, seal width, requested material, operating temperature, shaft speed, lubricant type and order quantity. Drawings or special environmental descriptions help us give targeted recommendations.

Email:info@mkcseal.com

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