：+86-0577-57572007 
：ytai@ytai.com
- Continuous Geared Hinges
- Pull&Push Bar Sets
- Hands-Free Handle
- Stainless Steel Handle Sets
- Overhead Holders&Stops
- Offset Pivots
- Sliding Door Handle Set
- Hospital Push/Pull Latches
- Push Plates
- Door Finger Pinch Guard
- Door Bottoms
- Standard Perimeter Gasketing
- Adhesive Gasketing
- Thresholds
- Astragals
- Truck Accessories
- Electromagnetic Door Holders
- Healthcare Hardware
- Custom Products
YDB304
Automatic Door Bottoms
- AVAILABLE FINISHES: A, C, D
- WIDTH: 3/5” (15.2 mm)
- HEIGHT: 1-17/20” (47 mm)
Certificate:
- UL
- AVAILABLE FINISHES: A, C, D
- WIDTH: 3/5” (15.2 mm)
- HEIGHT: 1-17/20” (47 mm)
Certificate:
- UL
Inquire
Add to Basket
Share to:
Product Description
These Automatic Door Bottoms ensure an efficient seal with an adjustable plunger that is compressed against the frame as the door is closed, activating a concealed flat spring mechanism. This mechanism drops the seal smoothly from the housing in a scissor-like motion. The seal compresses on either even or uneven surfaces and retracts automatically when the door is opened.
Automatic Door Bottoms serve many important functions, including blocking penetration by:
A variety of types of automatic door bottoms are available to accommodate the specific needs of your application. Our special-purpose door bottoms give optimal results to help meet the biggest challenges in sealing door perimeters:
High-level sound control achieved with unique, patented design features.
Blocking fire, smoke and toxic gases with integral intumescent material.
Minimizing door-opening force with "Light Spring" action to meet ADA access requirements.
