Hydraulic Dock Levellers with Telescopic Lip

PTU - Hydraulic Dock Leveller with Segmented Telescopic Lip

PTU

Electro-hydraulic dock leveller of PTU type with sectional telescopic lip is a new solution among broad range of PROMStahl products. Excellent quality of this equipment is the result of 15 years of experience in the field of engineering and manufacturing of dock levellers. It has been designed to handle a wide range of vehicles of different type and high of the loading bed. Depending on the type of a docked vehicle (lorry or VAN type vehicle), the operator can set the appropriate mode using the control panel. For VAN type vehicles (of smaller widths of the loading bed), the effective width of the telescopic lip is reduced to 1200 mm. In such case the load-carrying capacity of the dock leveller is 20 kN. Thanks to special design of that equipment, the load of the handled VAN type vehicle by bare chassis kerb weight of the dock leveller was reduced to 2 kN. In the case of truck/trailer loading/unloading, when the full width of the lip (1950 mm) is used, the load capacity of the dock leveller is 60 kN.

The PTU dock leveller in an electrohydraulic device, electronically controlled using the control panel with buttons provided with graphical marking. During the loading/unloading operations the leveller adapts automatically to the variations of the vehicle bed height (smooth adjustment system). PTU dock leveller is supplied together with the frame and is a compact structure that is installed as a whole in a prepared seat in one step. There is no need to apply any additional supports at the installation place. Versatility of the PTU dock leveller allows substantial financial savings thanks to loading/loading of vehicles of different widths and load-carrying capacities and thanks to mounting it together with the frame in a single working operation. PTU dock leveller manufactured by PROMStahl meets the requirements of the European standard EN 1398 and has the CE declaration of conformity.

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Parameters

Nominal lengths (NL)
3000, 3500, 4000, 4500 mm
Nominal width (NW)
2000 mm
Structure height (LH)
800, 900, 950 mm
Nominal lip lengths (LE)
500, 1000 mm
Rated load-carrying capacity
6/2 tons (60/20kN)
Operating ranges above the level (A)
0 – 600 mm
Operating ranges below the level (B)
0 – 720 mm
Thickness of leveler top metal plate
chequer plate 10 mm (10/12)
Platform options
anti-slip coating, insulation, EPDM sealing
Lip plate thickness
chequer plate 13 mm (13/15)
Lip options
straight lip, larger edge chamfers
Frame
installation by concreting (T) or by welding (W, F)
Standard corrosion protection
sand blasting and painting 80 μm
RAL
5010, 7016
Optional corrosion protection
painting a color from the RAL palette, 160 μm paint coat, hot dip galvanizing, duplex (galvanizing and painting)
Motor power
1.5 kW
Power supply
3 ~ 400 V, N, PE / 50 Hz / 16 A
Control system ingress protection class
IP54 or IP65
Standard control system functions
two control buttons, operating mode switch, button of automatic return to the rest position, main switch, door sensor connector
Control system optional functions
LCD, wheel chock sensor control, traffic lights control, automatic inflatable shelter control, manual control of inflatable shelter, sealing shutter control, PROM door control, vehicle sensor support, door release signal
Hydraulic system
compact hydraulic power unit installed under the platform, two platform lift cylinders, equipped with safety valves, two lip extension cylinders
Hydraulic oils
Standard Oil (-20°C to +60°C), oil for low temperatures (-30°C to +60°C), bio oil (-20°C to +60°C)

NL - nominal dock-leveller length

NW - nominal dock-leveller width

LE - lip length

LH - height of the structure

V - 3-part lip

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