Safety devices
At GMV we have safety elements in accordance with EN-81.20 and EN-81.50 regulations.
Valve DLV
It allows the introduction of a double safety lock, guaranteeing perfect levelling of the cabin on the floor, even in the event of hydraulic loss in the system.
2CH valve
Designed to ensure high operating comfort of hydraulic lifts. Acceleration, deceleration and speed are controlled at all stages of travel to ensure maximum operating consistency when pressure conditions vary.
VC parachute valve
Parachute.
Emergency button
Emergency device.
E-2CHA3-ETC Safety Device
Included in the 3100 2CH A3 and 3010 2CH A3 valve groups, it is used to monitor the components that act as a stop against uncontrolled cabin movement.
| Valves DLV A3 GMV | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Image |  |
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| Model | DLV A3 1” 1/4 | DLV A3 1” 1/2 | DLV A3 2” | ||||||||||
| Max. intervention flow rate | 216 l/min | 432 l/min | 600 l/min | ||||||||||
| Power plant rated flow rate | 55 - 216 l/min | 250 - 432 L/min | 500 - 600 l/min | ||||||||||
| Working pressure | 15 - 45 bar | 15 - 45 bar | 15 - 45 bar | ||||||||||
| Limit temperature | 5 - 70ºC | 5 - 70ºC | 5 - 70ºC | ||||||||||
| Type of oil | ISO VG 46 - l ≈120 | ISO VG 46 - l ≈120 | ISO VG 46 - l ≈120 | ||||||||||
| Solenoid valve: Power supply | VDC | 12 | 24 | 48 | 80 | 90 | 110 | 180 | 207 | VAC | 110 | 220 | 230 |
| Solenoid valve: Power | VDC | 45 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | VAC | 30 | 30 | 30 |
| Energy feeding | 12 VDC o 24 VDC | 12 VDC o 24 VDC | 12 VDC o 24 VDC | ||||||||||
| E-2CHA3-ET GMV safety device | |||||
|---|---|---|---|---|---|
| Image |  |
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| Valve group | Typology | Facility: frame prepared for 2CH |
Facility: frame not prepared for 2CH |
Optional: E-2CH A3-ETC |
Result: Complies with CE and EN 81.20 |
| 3010 | Mechanic | - | - | - | - |
| 3010 A3 | Mechanic |  |
- | - | |
| NGV A3 | Electronic | - | |
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| NGV I | Electronic | |
- | - | |
| 3100 A3 | Electromechanical | |
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| 3100 EL2 | Electromechanical | - | - | - | - |
Hand pump: what it is and what it is used for
Why is the hydraulic lift considered one of the safest in the sector? As has already been said in some of the posts we have published, the hydraulic lift is considered one of the safest in the vertical transport sector. This is due to the
New 3010 2CH valve group with integrated GMV A3 system.
GMV presents the new 3010 2CH A3 valve group. This is a balanced valve with mechanical adjustment that also offers double internal safety lock in accordance with EN81-20/50: The main advantages include: Valve equipped with double integrated safety lock in accordance with EN81-20/50.
The anti-drift system that complies with the new EN 81-20 regulations
On September 1, 2017, the new EN 81:20 standard for elevators came into force.