UNINTENDED CAR MOVEMENT- EN81-2:1998+A3:2009, para 9.13
The HSV safety valve is a component of the unintended car movement safety system in down direction according to EN 81-2:1998 + A3:2009. It operates as a stopping element in a safety system like the following.
DETECT -
The detector identifies the car's movements.
ACTIVATE -
The control panel:
Recognizes the car's movement as unintended movement.
Activates the stopping element through a certified switch.
STOP -
The stopping element:
Arrests the car's unintended movement.
The Safety Valve HSV is an electrically pilot operated check valve for hydraulic lifts. Installed between the cylinder and the control valve as close as possible to the lift valve. It enables the oil flow from the lift valve A to the cylinder B during travel UP, and unables the flow in opposite direction (from B to A) until the pilot valve 12:A is energized. ( For full diagram, please see attached PDF below)
The Combination of the HSV safety valve with a detecting component and an actuating component, all of which are subject to individual approvals will constitute the complete protection, and therefore will fulfill the requirements of a safety component according to EN81-2:1998 + A3:2009, para 9.13.
Options:
- With electrical emergency lowering 12VDC or 24 VDC
- With shut off valve or male gas porting
The HSV safety valve is suitable for all power units that complies the EN 81.2 code.
Discount available for volume quantities.
