YDB301YDB301
YDB301
Automatic Door Bottoms

- AVAILABLE FINISHES: A, C, D
- WIDTH: 9/16” (14.2 mm)
- HEIGHT: 1-3/8” (34.9 mm)

Certificate:
- UL
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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.


YDB301 Automatic Door Bottom has a drop down seal which is automatically lowered when the door is closed to seal the gap.Casing is made of aluminum mill, is fully mortised and will not affect the appearance of the door.

Retainer Material
Aluminum
Finish
Mill Finish/Clear Anodized/Dark Bronze Anodized
Door Type
Wood Door/Metal Door
Seal Type
Neoprene Rubber Seal
Mounting Type
Fully Mortised
Maximum Drop Size
0.75"(19.05mm)
Door Thickness
1-3/4"(44.45mm), 1-3/8"(34.93mm)
Functions
Blocking penetration by: Sound,Air,Smoke,Flames
Length
Standard 36", 48"; Minimum 24", Maximum 48"
Accessories
End Caps and Screws are provided
Certificate
Fire Rated - UL 10B/10C


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