... operating height less than 20 m product profile: 1. SJYK -titing hydraulic elevator is suitable to large-scale exhibition ... controller with the maximum height 35 m in use . [ SJYK-titing hydraulic elevator technology parameter ] Model Max height (m ... (KW)Voltage (v)Weight (kg)RisingSpeed (m/s)SJYK-20 20 m 0.8*0.8 1.5 220 ... 6.Emergency falling device in case of power cut . SJYK - titing hydraulic elevator