DFB57F

Overview

The Hoffman DFB57F is a one-piece flush-mount floor brush kit designed for data center rack and cabinet installations. It features a heavy-duty two-stage sealing system comprising a plastic brush and an EPDM gasket to provide an effective air seal. The unit includes a cover and measures approximately 7.49 x 4.86 inches (190 x 123 mm). This configuration minimizes air leakage through raised floors, thereby improving overall cooling efficiency in server environments.

Feature Summary

• One-piece flush-mount design with integrated cover
• Heavy-duty two-stage sealing system using brush and EPDM gasket
• Overlapping bristles conform around cables to minimize air leakage

Applications

• Data center rack and cabinet installations
• Raised floor cable pass-throughs
• Server room infrastructure sealing

Procurement Notes

Verify the specific dimensional requirements against the installed raised floor cutout dimensions prior to purchase. Confirm that the plastic construction and EPDM gasket materials are compatible with the existing environmental conditions of the facility. Ensure the kit includes the necessary cover component as specified in the product description to maintain the integrity of the sealing system.

Selection Notes

Select this model when a single-unit solution for cable entry is required to simplify installation processes. The overlapping bristle design is suitable for applications involving mixed data and power cables where maintaining an airtight barrier is critical. Consider the physical footprint constraints of the floor opening to ensure proper fitment within the designated rack or cabinet area.

Part Context

This component belongs to the Hoffman Enclosures line of specialized accessories for electrical and data infrastructure. It addresses the need for efficient cable management while preserving the thermal performance of raised floor systems. The product integrates sealing technology directly into the floor penetration point to reduce energy loss associated with unsealed openings.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing floor grid systems before attempting substitution.