Automatic door bottom LQ2

Introduction

When the door is opened, the internal seals of BHMFT Automatic door bottom will automatically rise from the ground. When the door is closed, the internal sealing strip will be down automatically to performance the tight sealing Some models of this type seal can be fully hidden in the door bottom groove, the door beautiful surface will not be affected by installation of the seal.

BHMFT Automatic door bottom includes three types with nearly fifty models, which include

• Mortised Automatic door bottom
• Full mounted Automatic door bottom
• Fireproof Intumescent Automatic door bottom

BHMFT fireproof intumescent automatic drop door seal is combined by automatic drop door seals and reinforced by fireproof intumescent seals, it has the performance of sealing and fireproofing. The automatic bottom door seal control the movement of the inner sealing strip through mechanical movement. When the door is opened, the internal seals will automatically rise from the ground. When the door is closed, internal sealing strip will be down automatically to seal the space between door and ground. When meet fire, the intumescent seals part will start to expand to fulfill the space between door groove, door frame and ground to prevent the smoke and fire spreading.

Please contact with us on the detailes on each model according to your specific requirements.