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Engineering and Manufacturing

STEMM EQUIPOS INDUSTRIALES S.L. carries out the comprehensive manufacture of all its equipment and machinery, from forging and mechanisation to assembly and the manufacture of the hydraulic equipment.

STEMM is constantly developing and designing new products, equipment and components, always related to the handling and of bulk products and waste. Optimum, cost-effective solutions for all handling problems  re provided thanks to its selection of advanced grapples and clamshell grabs.

All equipments are manufactured in accordance with ISO 9001:2015 international standards and, therefore, complies with applicable UNE-EN standards. The regulations of Directive 98/37/EC and standard EN-292 are also met. Our equipment and machinery is designed and calculated in line with the FEM (European Materials Handling Federation) guidelines in FEM 1001 Section I: 1998 relating to the calculation rules for heavy lifting and handling equipment.

All STEMM products are based on the following concepts:

  • STRUCTURAL STRENGTH.
  • ELECTRIC AND HYDRAULIC POWER FOR CORRECT PENETRATION AND DRAGGING.
  • LOW MAINTENANCE.

Our engineers actively participate as consultant technicians in many new plant and facility projects. The engineering department collaborates and provides support throughout projects, as well as studying new and old facilities with the aim of introducing manual, automatic or semi-automatic processes. The extensive experience of the STEMM engineering team in the areas of the design and production of grapples and clamshell grabs ensures the products can be perfectly integrated into all types of facilities anywhere in the world.

Garantía de calidad - Normas

All STEMM equipment has been designed and calculated based fully on the technical criteria, parameters and guidelines detailed in the standards established to ensure maximum quality.

List of applicable standards and regulations:

  • UNE-EN ISO 9001:2015 Quality Management Systems.
  • FEM 1.001 Section I: 1998 Rules for the design of hoisting appliances.
  • DIRECTIVE 2006/42/EC Relating to common standards for machinery in member states.
  • EN 292 Safety of machinery.
  • EN 1050 Safety of machinery. Risk assessment.
  • EN 60204-1 Safety of electrical machinery.
  • NF 52110 Design rules for hoisting structures and apparatus.
  • UNE 58132 Design rules for structures, joints and devices.
  • DIN 15018 Design rules for steel structures and welded and bolted joints.
  • ASME Section IX Welding procedure and standardisation.
  • EN 25817 Welded joints.
  • ISO 5817 Welded joints.
  • NF-P-22470 Cold sheet metal bending.
  • ISO 6043 Rigs, eyes, forks and joints.
  • NF-E-52201 Hoisting, rigging, eye, fork and joint accessories.
  • EN 10025 Hot-rolled products of structural steels.
  • ISO 2768 Tolerances.
  • EN 10083 Steels for quenching and tempering.
  • DIN 50049-2.1 Quality certificates for raw materials.
  • ISO 4310 Test code and procedures.
  • UNE EN-ISO 13155:2004+A2 Non-fixed load lofting attachments.
  • UNE 58118 Test code and procedures.
  • NF-E-52200 Hoisting accessories. Testing.
  • NF-E-52202 Hoisting accessories. Static tests.
Download ISO 9001 Certificate