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  • Ressa Rmd Lw2 Mortised Automatic Door Sweep - China

    price: 10.00 Dollar US$

    When the door is opened, the internal seals of RESSA automatic door sweep 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.

    RESSA automatic door sweeps includes three types with nearly fifty models, which include Mortised automatic door sweeps

    Full mounted automatic door sweeps

    Fireproof Intumescent automatic door sweeps

    RESSA 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.

    • Color: Sliver • Performance: Door Bottom Sealing and Sound Insulation


    Company Contact:


    • Phone: +8618845111091

    • Address: NO.110 JINXIANG STREET XIANGFANG DISTRICT HARBIN CHINA, HARBIN , HEILONGJIANG , China

    • Email: Email


    Published date: September 2, 2024

    • Business Description: Heilongjiang RESSA Co., Ltd. ( RESSA) is a full range of intumescent fire seals supplier for gun safe and fire doors industry.

      When meet fire, Ressaseal ® brand seals itself will expand 5-30 times than original sizes to tightly seal the space between door and door frame to prevent the passage of fire and hot smoke.

      When it’s used in the fire doors, enough time will be provided for human being to escape from fire disaster.

      When it’s used in the gun safe, the inside guns, luxury materials, important documents will be protected to be damaged by hot smoke and fires.

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