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Oleo Elevator Buffer

Oleo elevator buffers are designed to protect people and equipment from forces generated from an impact resulting from equipment failure or operator error. Oleo has achieved this using hydraulic energy absorption systems combined with a gas return spring to give unsurpassed energy dissipation and recovery.

Oleo has a complete range of elevator buffers for every application offering exceptional performance across a wide mass and speed range with a lighter, stronger, high-quality product with minimum life-cycle costs.

Oleo elevator buffers are sold worldwide with certification and approvals which include EN81-20/50 (Europe and UK), ASME A17 (USA), CSA B44 (Canada), GB7588 (China), KC (Korea) and JIS (Japan).

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    Oleo Product Line

    LSB Series
    The LSB series buffer is a small, lightweight, maintenance free product, suitable for low to medium speed elevators.
    LSBH Series
    The LSBH series is an extension of Oleo’s LSB series. LSBH products are smaller in size and significantly lighter in weight compared to other alternative products.
    SEB Series
    SEB buffer products have been on the market for over 20 years and have been successfully installed in many cases worldwide.
    MLB Series
    The MLB series buffer provides excellent passenger safety solutions for medium to low speed and medium load elevators.
    MLBH Series
    Our MLBH series is an extension of Oleo’s MLB series. MLBH buffers are smaller and weigh considerably less than many direct alternatives for speed and mass.
    LB Series
    Oleo has been offering the LB series for over thirty years. The Oleo LB gas hydraulic buffer series is globally recognised for its excellent performance and reliability.
    XLB Series
    The Oleo XLB range of gas hydraulic buffers is designed specifically for high rise buildings where elevator speeds reach up to 10m/s (using approved speed limiting devices).
    HSL Series
    The HSL range of units was developed for ultra high speed elevators that are designed for the world's tallest and most prestigious buildings.

    Oleo Product Applications

    Product Overview

    A complete range of elevator buffers for every application

    Buffer Unit Elevator Rated Speed Max Test Speed
    (115%)
    Reduced Stroke Stroke(min) Mass Range Extended Height Compressed Height Weight(No Oil)(Kg) Oil Volume(Litres)
    ASME A17.1 Kg mm mm
    Dim H Dim C
    m/s m/s m/s mm Min. Max. Max. Min. Kg Litres
    LSB10 1 1.15 1.47 73.4 380 3250 222.2 145.9 3.53 0.45
    LSB16 1.6 1.84 2.27 173.5 450 3250 485.5 306.9 6.56 0.88
    LSB18 1.8 2.07 2.55 219.5 450 3250 577.5 352.9 7.48 1.03
    LSBH10 1 1.15 1.47 73.4 600 4500 222.2 145.9 3.53 0.45
    LSBH16 1.6 1.84 2.27 173.5 600 4600 485.5 306.9 6.56 0.88
    LSBH18 1.8 2.07 2.55 219.5 600 4600 577.5 352.9 7.48 1.03
    SEB 16 1.6 1.84 2.26 173 450 4545 540 350.8 11.78 1.45
    SEB 18 1.8 2.07 2.54 219 450 4545 643 407.8 13.26 1.77
    SEB 20 2.032 2.337 2.87 279 450 4545 777 481.8 15.28 2.2
    SEB 25 2.54 2.921 3.59 435 450 4545 1126 674.8 20.45 3.3
    MLB 13 1.3 1.495 1.88 121.3 450 5500 410.3 275.4 9.28 1.02
    MLB 16 1.6 1.84 2.26 174.3 450 5500 532.3 344.4 11.15 1.41
    MLB 18 1.8 2.07 2.54 220.3 450 5500 634.3 400.4 12.67 1.74
    MLB 20 2.03 2.335 2.87 280.3 450 5500 782.3 488.4 15.02 2.18
    MLB 25 2.54 2.921 3.59 436.3 450 5500 1164.3 714.4 21.05 3.32
    MLB 32 3.15 3.623 5.49 680.3 450 5500 1730.5 1034 29.72 5.19
    MLB 35 3.56 4.094 6.26 880.9 600 5500 2107.9 1209.3 61.45 19.5
    MLB 40 4.06 4.669 7.12 1140.9 600 5500 2692.9 1534.3 75.66 25
    MLBH 13 1.3 1.495 1.88 121.3 500 7000 410.3 275.4 9.28 1.02
    MLBH 16 1.6 1.84 2.26 174.3 500 7000 532.3 344.4 11.15 1.41
    MLBH 18 1.8 2.07 2.54 220.3 500 7000 634.3 400.4 12.67 1.74
    MLBH 20 2.03 2.335 2.87 280.3 500 7000 782.3 488.4 15.02 2.18
    MLBH 25 2.54 2.921 3.59 436.3 500 7000 1164.3 714.4 21.05 3.32
    MLBH 32 3.15 3.623 5.49 680.3 700 7000 1730.5 1034 29.72 5.19
    MLBH 35 3.56 4.094 6.26 880.9 1000 7000 2107.9 1209.3 61.45 19.5
    MLBH 40 4.06 4.669 7.12 1140.9 1000 7000 2692.9 1534.3 75.66 25
    LB 16 1.6 1.84 2.45 203.2 500 8330 617.8 396.8 24 4.6
    LB 18 1.8 2.07 2.71 248.9 500 8330 723.3 455.8 26.43 5.6
    LB 20 2.032 2.337 2.98 300 500 8330 839.3 520.8 28.85 6.6
    LB 25 2.54 2.921 4.53 462 500 8330 1211.3 730.8 38.59 10
    LB 32 3.15 3.623 5.57 699 700 8330 1706.3 988.8 55.22 20
    LB 35 3.56 4.094 6.26 881 1000 8330 2108.3 1208.8 66.44 24.2
    LB 40 4.064 4.674 7.12 1141 1000 8330 2693.3 1533.8 81.85 31.5
    LB 50 5.08 5.842 8.85 1741 1500 7500 4214.4 2439.5 202.6 27.8
    LB 55 5.588 6.46 9.73 2110 1250 7500 5037.4 2893.5 235.2 33.3
    LB 60 6.096 7.01 10.59 2505 1500 10000 6179.6 3597.5 458.1 73
    HSL 58 5.85 6.728 10.22 2342 4000 10000 4965.5 2522.5 779 98
    HSL 72 7.25 8.338 12.74 3644.8 4000 10000 7414.7 3672.5 1249 144
    HSL 87 8.7 10.005 15.21 5192 4000 10000 10295 5183.5 1450 207
    HSL 101 10.1 11.615 17.65 6973 5000 8000 12570 4183 3000 275
    HSL 115 11.55 13.283 20.23 9126.4 5500 8000 14919 5701.1 3497 490