
Oil Buffer
absorbs impact and reduces nois,
reliable quality and durability,
adjustable cushioning force,
Zhejiang Aoma Elevator Co., Ltd. is one of the one of the leading manufacturers and suppliers of oil buffer in China. The company has world-leading production equipment and strong manufacturing capabilities. Please feel free to wholesale cheap oil buffer from our factory.
OH-70A/70 Hydraulic buffer BOil Buffers For Elevators
During normal operation, the elevator car moves up and down controlled by the traction system. However, when the traction system fails or other emergency situations occur, the elevator falls and the car will impact downward at a high speed. At this time, the OH-70A buffer is located at the bottom of the elevator shaft and can absorb a large amount of impact energy in an instant, causing the car to slow down smoothly until it stops, preventing passengers from being seriously injured.
Response to top-impact accidents: If the elevator tops out during the ascent, the OH-70A buffer located at the top of the elevator shaft will play a role, reducing the impact force of the car and preventing the car from directly hitting the top of the shaft, thereby protecting the lives of passengers.
Reduce equipment damage: In the event of an accident, the OH-70A buffer can effectively reduce the impact force of the car and reduce the degree of damage to the elevator equipment. For example, it can reduce damage to components such as the car, shaft, and counterweight, thereby extending the service life of the elevator equipment.

|
Voltage |
380V |
|
Roping |
2:1 |
|
Load |
(3500-5000)kg |
|
Elv.Speed |
(1.0-3.0)m/s |
|
Sheave Diam |
中Φ560mm |
|
Shell Protection Grade |
IP41 |
|
Ins.Grade |
F |
|
Max.Axle Load |
14000kg |
|
Duty |
S5-40% |
|
Weight |
1200kg |
|
Brake Type |
EMM6K |
|
U/I |
DC110V/2*2.3A |
|
Parameters |
OH-70A |
OH-70B |
|
Floor size A*B |
130*150 |
130*170 |
|
Installation size a*b*D |
100*120*φ14 |
100*135*φ14 |
|
Parameters |
unit |
OH-70A |
OH-70B |
|
Rated speed |
m/s |
≤1.0 |
≤1.0 |
|
Buffer mass range |
Kg |
800-3600 |
2000-5500 |
|
Compression stroke S |
mm |
85 |
85 |
|
Free height H |
mm |
234 |
260 |
|
HL-46 oil volume |
L |
0.25 |
0.37 |


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