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Reversible Automatic Drop Down Aluminium Door Bottom Seal Strip
- Product Information
DDBS007 Automatic Drop‑Down Door Seal Aluminium Bottom Seal Strip For Revolution Door
| Specification | Parameter |
|---|---|
| Product Type | Reversible Automatic Drop‑Down Aluminium Door‑Bottom Seal Strip For Revolution‑Style Doors |
| Operation | Spring‑actuated drop‑down & retract, reversible for LH / RH revolution doors |
| Material | Reversible Aluminium Housing + Flexible Rubber Sealing Blade |
| Core Functions | Noise‑reduction, Dust‑proof, Wind‑proof, Thermal‑insulation door‑bottom gap sealing |
| Application | Revolution‑Style Door Assemblies, Residential & Commercial Building Door Projects |
| Production Capacity | 180,000 Units / Month |
Application Scenarios
Revolution‑Style Door Installations
Reversible automatic drop‑down aluminium bottom seal for revolution‑style door assemblies. Universal reversible design adapts to left‑hand and right‑hand hung revolution doors. Spring‑driven blade retracts on door opening to avoid scratching floor surfaces; drops to seal door‑bottom gaps for noise, dust, wind and thermal protection.
Residential & Commercial Door Retro‑Fit Projects
Robust aluminium‑body drop‑down bottom gasket for renovation and retro‑fit works. Surface‑mount installation reduces complex door‑groove machining requirement, ideal for residential and commercial revolution‑door upgrade projects.
Revolution‑Door New‑Build & Architectural Tender Projects
Standard bar lengths support onsite cut‑to‑length, custom housing finish & custom length for bulk revolution‑door orders. Suitable for new‑build, refurbishment and door‑seal hardware tender specification packages.
Universal reversible aluminium housing design, compatible with both left‑hand and right‑hand hung revolution‑style door assemblies
Spring‑actuated automatic mechanism: rubber blade drops for sealing upon door‑closure, retracts upward while opening to eliminate floor abrasion and scratching
Flexible durable rubber sealing blade, multi‑function sealing: noise‑reduction, dust‑proof, wind‑proof and thermal‑insulation for revolution‑door bottom gaps
Surface‑mount installation, standard length bars can be cut‑to‑length onsite to fit actual door width; multiple standard aluminium housing finishes available
Mainly developed for revolution‑style door‑sets, applicable for residential and commercial new‑build & retro‑fit renovation projects
Custom length & custom housing finish available; monthly capacity 180 000 units for B2B wholesale hardware orders
Standard quality warranty against manufacturing defects of aluminium housing and spring‑actuated mechanism
Bulk wholesale supply, custom unit length and custom housing finish for revolution‑door architectural tender projects
2D installation drawing and product specification datasheet available for tender submission documentation




