Our goal is to provide the market products with a maximum guarantee and best technical benefits.
In a constant commitment to innovation, STEMM develops advanced technological projects for various sectors, using new materials and devices applying newest technologies.
STEMM offers one of the widest range of clamshell grabs and orange peel grabs based on a singular modular system for all components and parts.
This innovating system allows us to optimize designs, processes and purchases as well as to perform many combinations.
Structural robustness, electric and hydraulic power for a proper penetration and dragging
The own grab weight, the geometry and an appropriate shell kinematic with a progressive profile, in combination with a strong cylinder action, allows an excellent filling coefficient, good load holding and maximum compaction.
Very quick equipments in closing and opening: achieving great production increase
High pressure and variable speed pumps with regeneration and energy saving system.
Pumps with splined shaft, low noise level and elastic couplings steel+nylon to guarantee maximum transmission.
They also have double protection in order to avoid the sequential overpressure, without heating.
The speed is adjusted automatically depending on density, humidity and granulometry of the material to be handled.
Specially reinforced hydraulic cilinders with shock absorption system and safety chambers
Excellent guidance of piston rods, high pressure joints from TRELLEBORG, double lip scrapers as well as tempered, rectified and chromed piston rods.
All cylinders are tested at 400 bar pressure and provided with pressure check points MINIMESS to take a quick pressure reading.
Load safety: omnidirectional working position
In case of power failure, the grab cannot be opened, therefore the load does not fall.
Our grabs can work in any inclined position at 60 degrees angle.
Optionally, as an additional safety measure, the grabs are supplied with inclinometers.
