Air Damper (B-481 / Aluminum)
Caution
Product Description
A damper that uses air reaction force.
[Features]
· Reaction force is exerted only in the direction in which the rod retracts, not in the direction in which it extends.
· Use of a specialized adjustment mechanism allows the damper force to be finely adjusted by the needle valve.
· An easy-to-mount compact design.
· Operation is smooth and quiet.
· Materials: Cylinder / aluminum alloy (A6063TD); Mounting part / polyamide (PA6).
· Ambient operating temperature: -10°C to +60°C.
· Pull load: 0.5 N or below.
[Applications]
· Sliding doors with automatic closing mechanisms, general residential use, cushioning of office doors, etc.
Uses Mainly Plastic So Lightweight
B-481-1 external appearance
B-481 dimensional drawing *Mount hole detail
| Product No. | (L1) | (L2) | L3 | L4 | L5 | Product Mass (g) |
|---|---|---|---|---|---|---|
| B-481-1 | 694 | 407 | 379 | 391 | 287 | 170 |
| B-481-2 | 382 | 260 | 232 | 244 | 122 | 100 |
| B-481-1 | B-481-2 | |||||
|---|---|---|---|---|---|---|
| 4.9 N | 7.8 N | 9.8 N | 4.9N | 7.8N | 9.8N | |
| Needle valve opening 90° | 10.7 | 6.8 | 5.6 | 4.5 | 3.3 | 2.6 |
| Needle valve opening 180° | 6.0 | 4.2 | 3.5 | 3.1 | 2.1 | 1.7 |
| Needle valve opening 270° | 4.9 | 3.6 | 3.0 | 2.8 | 1.9 | 1.6 |
Stroke speed for different pushing loads (reference)
- *Needle valve opening position: Considering the needle valve in a closed state to be 0, the angle rotates in the opening direction.
Increment: s (seconds)