Page 12 - Elevator-series-brochure-USA

12
LB SERIES
Oleo has been offering the LB series for over thirty years. The Oleo LB gas hydraulic buffer series is globally recognized for its excellent performance and reliability. It is a self contained, maintenance free* unit designed for heavy and high speed installations offering our largest mass range.
Given the large mass range and rated speed of the LB series, this buffer can be found in a number of different installations including, low, medium and high rise buildings, vehicle and service elevators.
The LB series is designed and built according to strict engineering standards and is universally approved and globally certified. * other than statutory inspections.
ft/min ft/min in
lbs
in
LB 25
500
LB 32
620
LB 40
799
919 44.92 2205-18365
S
Ø7.09 in 7.09 in
0.47 in
H
F
Model
Rated speed
Maximum speed (115%)
Stroke ‘S’ (min.)
Impact mass range
Height ‘H’ max. (extended)**
Height ‘C’ min. (compressed)**
Height ‘F’ to reservoir top
Weight
no oil (dry)
Oil volume
Reduced stroke ft/min 482 533 586 891 1096 1232 1401 ASME A17.1
in 15.6
in 14.0
lbs 52.9
28.5 33.0 47.7 67.2 83.0 106.0
17.9 20.5 28.8 38.9 47.6 60.4
16.3 18.9 27.1 37.3 45.9 58.7
58.3 63.6 85.1 121.7 146.5 180.4
LB 16
315 362 7.99 1102-18365
24.3
LB 18
354 407 9.80 1102-18365
LB 20
400
460 11.81 1102-18365
7.87 in
575 18.19 1102-18365
5.98 in
LB 35
701
806 34.69 2205-18365
Ø0.87 in C
11.81in
9.84in
713 27.52 1543-18365
gallons 1.2 1.5 1.8 2.6 5.3 6.5 8.3 Reduced stroke: Rated speed with terminal speed limiting device, based on EN81.1 rule 10.4.3.2 and ASME A17.1 rule 2.22.4.1.2
Reduced stroke
EN 81.1 ft.min
n/a n/a n/a 728 1096 1232 1401
LB elevator buffers are delivered without oil. Buffers need to be filled with oil as per the installation instructions. The oil used must conform to the specification on the buffer data plate – ISOVG68 – SG.88/.90 at -18°F – hydraulic. Pour point 60°F or lower. Viscosity index 75 or higher.
* * The max and min figures provided take account of the extremes of the tolerance to provide absolute maximum and absolute minimum dimensions. For more details please request detailed installation drawings.