
Manufactures dock levellers, door seals and vehicle restraint systems for loading bays in distribution centres and warehouses.

Stertil Verladetechnik GmbH
59192 Bergkamen (Werner-Strasse 70)New on Amplifa
About Stertil Verladetechnik
Stertil Verladetechnik GmbH is the German sales company of Stertil Dock Products, a subsidiary of Stertil B.V. (Netherlands), which has been producing loading technology since 1974. The portfolio includes dock levellers (S, P, X series and EDGEDOCK mini dock levellers), door seals (inflatable, cushion, curtain and hybrid seals), automatic and manual COMBILOK® vehicle restraint systems, and accessories such as dock bumpers, wheel guide systems, LED traffic lights and dock lights. The dock levellers are made from high-strength steel S355J0, vehicle restraint systems from hot-dip galvanised steel; door seals are produced in the company's own workshop in the Netherlands from materials such as POWERFLEX®, CORDURA® and reinforced PVC. Products comply with standard EN 1398 and are approved in accordance with EU Machinery Directive 2006/42/EC. The company based in Bergkamen serves customers in Germany, Austria and Switzerland with consulting, construction advice including BIM files, installation and customer service. Customers include parcel distribution centres, the food and pharmaceutical industries, temperature-controlled warehouses, and logistics and distribution companies.
- Site
- Bergkamen
- Processes
- Manufacture of dock levellers with hinged lip (S series, dynamic load capacity 6–12 t), Manufacture of ergonomic dock levellers with hinged lip (P series, dynamic capacity 6 t), Manufacture of EDGEDOCK mini dock levellers (hydraulic HA / manual LA, dynamic capacity 6 t), Manufacture of telescopic lip dock levellers (X series, dynamic capacity 6 t, XPH/XFH 8 t), Manufacture of door seals (inflatable WI/WIS series, cushion, curtain and hybrid seals), Manufacture of automatic truck vehicle restraint systems COMBILOK® (G2, SWAP, M1), Manufacture of loading technology accessories (dock bumpers, wheel guides, LED traffic lights, dock, Installation of loading equipment at customers (e.g. 25 dock levellers, door seals, sectional doors)
- Materials
- High-strength steel S355J0 / Steel 52, Hot-dip galvanised steel, CORDURA®, POWERFLEX® tarpaulin material, PVC (reinforced, 3 mm), Aluminium (frames with sandwich panels), Polyethylene (PE bumpers), Rubber (bumpers)
- Certificates
- EN 1398 (dock levellers), EU Machinery Directive 2006/42/EC, BREEAM-compliant products
- Founded
- 1974
- Industries
- Logistics and distribution, Parcel distribution centres, Food industry, Temperature-controlled storage, Pharmaceuticals, Warehouses
- 01
Consulting and project support
- 02
In-house product development
- 03
Manufacturing (Netherlands: dock levellers, door seals)
- 04
Distribution in the DACH region
- 05
On-site installation at customers
- 06
Service and customer service
Materials and Substances
High-strength steel S355J0 (Steel 52)
Platform and hinged lip of the dock levellers, with checker plate surface for 3-wheel forklifts.
Hot-dip galvanised steel
Structures of the COMBILOK® vehicle restraint systems and accessory components, weather-resistant.
Reinforced PVC (3 mm)
Curtain sides of inflatable door seals.
CORDURA®
Wear-resistant material for the inflatable cushions of the door seals.
POWERFLEX® tarpaulin material
High-quality, durable tarpaulin and protective material for door seals.
Aluminium
Frames of door seals with insulated sandwich panels.
Polyethylene (PE)
Durable dock bumpers with high abrasion resistance.
Rubber
Impact protection bumpers in various shapes and dimensions.
Polycarbonate
Colour-fast, UV-stable material for wheel restraint guides.
Site

Bergkamen
DESales company / Loading technology
- Part weight / size
- Dynamic load capacity dock levellers 6–12 t
- Materials
- Steel, hot-dip galvanised steel, aluminium, PVC, CORDURA®, POWERFLEX®
- On-site installation at customers
- Customer service
- Construction advice / BIM files
Products










Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of dock levellers with hinged lip (S series, dynamic load capacity 6–12 t)Assembly | – | 4500 mm (ramp length) × 2250 mm (platform width) | 12000 kg (dynamic load capacity) | – | high-strength steel, galvanised steel |
| Manufacture of ergonomic dock levellers with hinged lip (P series, dynamic capacity 6 t)Assembly | – | 4500 mm | 6000 kg | – | high-strength steel (S355J0 / Steel 52), checker plate |
| Manufacture of EDGEDOCK mini dock levellers (hydraulic HA / manual LA, dynamic capacity 6 t)Assembly | – | 500 mm safety clearance | 6000 kg | – | steel |
| Manufacture of telescopic lip dock levellers (X series, dynamic capacity 6 t, XPH/XFH 8 t)Assembly | – | – | 8000 kg | – | – |
| Manufacture of door seals (inflatable WI/WIS series, cushion, curtain and hybrid seals)Assembly | – | 3500–3700 mm vehicle width × 3500–5550 mm vehicle height | – | – | CORDURA®, PVC (3 mm, reinforced), aluminium, POWERFLEX® |
| Manufacture of automatic truck vehicle restraint systems COMBILOK® (G2, SWAP, M1)Assembly | – | 4.5 m (COMBILOK M1) × 3200 mm adjustment range of locking head × 370–430 mm maximum locking height | – | – | hot-dip galvanised steel |
| Manufacture of loading technology accessories (dock bumpers, wheel guides, LED traffic lights, dockAssembly | – | – | – | – | rubber, polyethylene (PE), galvanised steel, polycarbonate |
| Installation of loading equipment at customers (e.g. 25 dock levellers, door seals, sectional doors)Assembly | – | – | – | – | – |
| Manufacture of door seals in the company's own workshop in the NetherlandsAssembly | – | – | – | – | POWERFLEX®, CORDURA® |
Additional services
Reference customers
Quality
Dock levellers are designed and manufactured according to the European standard EN 1398; COMBILOK® M1 is approved as a class 3 vehicle restraint system in accordance with FEM guideline 11.005 under EU Machinery Directive 2006/42/EC. Products comply with the BREEAM assessment method for sustainable building projects.
| Evidence | Bergkamen |
|---|---|
| EN 1398 (dock levellers) | |
| EU Machinery Directive 2006/42/EC | |
| BREEAM-compliant products |
History
- 1974
Start of dock leveller production at Stertil BV (Netherlands)