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.

Product Introduction

The LB buffer range incorporates gas spring technology to provide a premium and robust passenger safety solution for medium to high speed, high mass elevators.

These products are designed and manufactured according to strict engineering principles and are universally approved and globally certified.

LB buffers can be shipped in a compressed condition to save space and reduce transportation costs.The units have been installed into thousands of landmark buildings since they were introduced more than 30 years ago.

Energy dissipation buffer
Minimum G-force experience (increased passenger protection)
Lowest possible compressed height for specified mass range
Globally certified to EN81-20/50, ASME17/CSA B44, GB7588
Fully compliant with lift directive 2014/33/EU
Wide mass range 500-8330 kg
Self contained, maintenance free (except statutory inspections) unit
Gas spring return
All supporting documentation available online

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Application

Commercial Elevators, Express Elevators, Freight Elevators, Modernisation, Special Applications, Vehicle Elevators

Model & Parameter

Buffer Unit		LB 16	LB 18	LB 20	LB 25	LB 32	LB 35	LB 40
Elevator Ratea Speed	m/s	1.60	1.80	2.03	2.54	3.15	3.56	4.06
Max Test Speed(-115%)	m/s	1.84	2.07	2.34	2.92	3.62	4.09	4.67
Reduced Stroke ASME A17.1	m/s	2.45	2.71	2.98	4.53	5.57	6.26	7.12
Stroke(min)	mm	203	249	300	462	699	881	1141
Mass Range	Kg	500-8330	500-8330	500-8330	500-8330	700-8330	1000-8330	1000-8330
Extended Height Dim H Max.	mm	617.8	723.3	839.3	1211.3	1706.3	2108.3	2693.3
Compressed Height Dim C Min.	mm	396.8	455.8	520.8	730.8	988.8	1208.8	1533.8
Weight(No Oil)(Kg)	Kg	24.00	26.43	28.85	38.59	55.22	66.44	81.85
Oil Volume(Litres)	Litres	4.60	5.60	6.60	10.00	20.00	24.20	31.50