Blitz DUPLEX S2 - Safety Mechanisms

3. The lift
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117127 ● 07/2011
3.3 Safety mechanisms
Illustrations 7 ... 10: Safety mechanisms
Electric

Emergency stop switch on control panel and
control cabinet

Main switch, lockable

Dead man’s control for lifting and lowering

Synchronous run control ± 45 mm

Synchronous run monitoring < 100 mm

Electronic controls with second CPU for monitor-
ing

Safety stop during lowering 500 mm above floor
level

Acoustic alarm during lowering
Hydraulic

Safety cylinder with 2 independent hydraulic cir-
cuits

Overload pressure control valve

Seat valve in case of drive failure

Flow control valve for speed limitation during
lowering
Mechanical

Protective housing for leakage detection
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8
9
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