Oil buffer

Oil buffer for elevator, YH1/175, YH2/420, YH4/270, YH5/640:
Rated speed: 1.0~3.0m/s

Detail specifications:
 Type            Stroke(mm)     Hight(mm)    Rated speed(m/s)    Allowable gross mass(kg) 
YH1/175             175                   600                   1.0-1.6                             900-4250
YH2/420             420                 1150                   2.0-2.5                             900-3750
YH4/270             270                   770                   1.5-2.0                             900-4250
YH5/640             640                 1730                   2.5-3.0                            1250-3750