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Buffer

Buffers

Unitec offers replacements for oil and spring buffers and solid bumpers. As the designated Otis OEM Provider, we have the ideal solution for your buffer requirements.  

 

Please check your Buffer data tags for loading and stroke and review your striking speed to select the correct buffer.

(reduced stroke buffer condition could be present check with your local conditions)

 

 

OIL-GAS RETURN BUFFERS:

All existing Otis OEM Oil Buffers are replaced using  Oil-Gas return type.  All buffers have a single buffer switch. To receive a tailor-made replacement buffer for your application,  provide the following details: the buffer's length, existing stroke, striking speed, and load rating. UNITEC is ready to deliver the perfect solution for your needs.

Oil-gas return Buffers are available for rated speeds of (350fpm thru 1200 fpm)
Oil-gas Return Buffer Survey Form

For your ordering and sizing convenience please reference the Buffer Part number Selection Chart

 

SPRING BUFFERS AND BUMPERS:

Part numbers:

320AV1 | Max load: 6860lbs | Stroke: 4.25" |Overall complete buffer length: 19" |Plate: 11.75" x 6" (welded to spring)

320AV2 | Max load: 10200lbs. |Stroke: 4.25" |Overall complete buffer length: 19" |Plate: 11.75" x 6" (welded to spring)

320AV3 | Max load: 15300lbs. |Stroke: 4.25" |Overall complete buffer length: 19.12" Plate: 11.75" x 6" (welded to spring)

320AV4 | Max load: 22800 lbs. | Stroke: 4.25" |Overall complete buffer length: 19" |Plate: 11.75" x 8" (welded to spring)

AAA320FS1 |Max load: 6793 lbs. |Stroke: 4.25" |Overall complete buffer length: 18.50" Plate: 11.8" x 7.9" (Spring slides over tube) |Replacing individual spring: 90ND5

AAA320FS2 | Max load: 10180 lbs. | Stroke: 4.25" |Overall complete buffer length: 18.50" |Plate: 11.8" x 7.9" (Spring slides over tube) |Replacing individual spring: 90TD4 

AAA320FS3 | Max load: 15286 lbs. |Stroke: 4.25" |Overall complete buffer length: 18.62" |Plate: 11.8" x 7.9" (Spring slides over tube) |Replacing individual spring: 90AL2 

AAA320FS4 |Max load: 22680 lbs. |Stroke: 4.25" |Overall complete buffer length: 18.50" |Plate: 11.8" x 7.9" (Spring slides over tube) |Replacing individual spring: 90ZD3

 

FAA320R2 |Associated field marking 300 402

FAA320R3 |Associated field marking 300 403

 

COUNTERWEIGHT TRAVELING BUFFERS

More information to come!  Contact our representative for details

 

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