Polyurethane Buffer A-2
Table of Contents
Polyurethane Buffer A-2
Elevator Buffer
Oneelevator.com is supporting elevator polyurethane buffer to all the type of Elevator
Function
Elevator Buffer is the last link
Buffer is the last link in Elevator safety system.Play a buffer role when the accident occurred in the elevator.
Type
Choose buffer which you need
Elevator buffer consists of hydraulic buffers, spring buffers and polyurethane buffers.
Description
Elevator buffers item
Elevator Polyurethane Buffer most widely used.General passenger elevators are using this speed<=1
Size
Full range of all Size
A-1 140*200
A-2 100*160
A-3 120*192
A-4 130*208
A-5 150*240
A-10 80*96
A-11 100*120
A-13 160*200
A-14 200*220
A-18 130*158
B-1 162*75
Safety Elevator Polyurethane Buffer
Full range of all size Elevator Buffer
Oneelevator Buffer Drawing
Ordering the polyurethane buffer a-2
To order the polyurethane buffer a-2, send us a photograph of the existing unit and its nameplate at [email protected]. Please quote the complete code including any revision suffix so that our team can confirm the correct variant, current stock and lead time before you commit.
About the polyurethane buffer a-2
Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. The polyurethane buffer a-2 sits in the switches / sensors / wiring group, and it is replaced on a different service interval from the assemblies around it. In practice the failures we see on polyurethane buffer a-2 come down to contact pitting, moisture ingress at the cable gland, drifted optical alignment, and brittle insulation on travelling cables after years of flexing.
Every polyurethane buffer a-2 we supply is inspected before dispatch. Each unit is checked for physical damage, correct marking and the specific wear or degradation patterns that matter for this class of component, then packed to survive international transit. Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than discovering the difference on site.
Buying guidance and compatibility notes
Before ordering the polyurethane buffer a-2, confirm three things. First, the switch or sensor model, the mounting pattern, and the supply voltage and contact configuration (NO or NC). Second, contact configuration matters more than physical size — a switch that bolts straight on can still be electrically wrong. Third, whether the installation is a traction lift or an escalator, since duty cycle and loading differ between the two.
On fitting, one point is worth repeating: record the terminal numbers before disconnecting a travelling cable, since colour codes are not consistent between controller generations. Almost every repeat failure we see on polyurethane buffer a-2 traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.
For buyers comparing suppliers, the polyurethane buffer a-2 is one of the items most often requested alongside the main controller.
If you are unsure which variant of the polyurethane buffer a-2 you need, send a photograph of the nameplate and the existing component alongside a description of the fault. That is usually enough for our team to identify the correct replacement without a site visit, and it avoids the cost and delay of returning an incompatible part. We are also happy to advise on the other serviceable items in the same switches / sensors / wiring group, so a planned shutdown can cover several wear items at once.
Related parts and further reading
Because polyurethane buffer a-2 is only one item in the switches / sensors / wiring group, these related pages may help you plan the work:
- Elevator limit switches
- Elevator Levelling Sensor
- Elevator Encoder
- Elevator Push Button
- Elevator Display
Reference sources
The compatibility information on this page was cross-checked against the following authoritative references. Always confirm the exact reference against your own equipment nameplate.


