The Sugatsune Concealed Door Damper by Sugatsune is a concealed soft-close mechanism designed for flush installation within the door frame. It provides silent, controlled door closing without visible springs or external hardware. The counter plate allows 3-way adjustment (vertical, horizontal, and depth), and closing speed is adjustable after installation.

Available in two models for different door weights.

Specifications

• LDD-V
• Door thickness: min. 33 mm (1.29")
• Door width: max. 900 mm
• Door weight: 33 lbs (15 kg) – 88 lbs (40 kg)
• LDD-V100
• Door thickness: 40 mm (1.57") – 60 mm (2.36")
• Door width: max. 900 mm (35.43")
• Door weight: 88 lbs (40 kg) – 220 lbs (100 kg)

Materials

Steel, polyacetal, PBT.

Product Downloads

• LDD-V Technical Sheet (PDF)
• LDD-V Installation Guide (PDF)
• LDD-V100 Technical Sheet (PDF)
• LDD-V100 Installation Guide (PDF)

Video Overview