Production

Maral maintains the manufacturing processes at the highest level of efficiency and quality to offer customers professionalism, competence, flexibility and constantly evolving technology, namely the necessary elements for the realization of all its products: distributors, collectors, serpentine evaporators, connection pipes, exchanger assemblies and filter group assemblies.

For some customers, Maral also manufactures suction group assemblies, condenser group assemblies and fan coil kits to order.

INTERIOR 3D DESIGN

PROCESSING

MECHANICAL WORKINGS

AUTOMATIC AND SEMI-AUTOMATIC CUTTING / FOLDING

DRILLING ON MACHINING CENTERS AND LASER-TUBE

DEFORMAZIONE: – DEFORMATION: CROWN EXPANSION TAPPING (BRACKETING or FLAGGING) VICTAULIC OR GRUVLOCK ROLLING

BRAZING WELDING

ASSEMBLY / IN-LINE ASSEMBLY

HELIUM TEST WITH LEAK DETECTOR – NITROGEN PRESSURE TEST – WATER PRESSURE TEST

QUALITY CHECKS

FUNCTIONAL TESTS

Statistical checks are carried out on all the required characteristics.
The products can be 100% tested with automatic control systems, such as:

  • HELIUM TEST
  • NITROGEN PRESSURE TEST
  • NITROGEN PRESSURE TEST IN WATER
  • CAPILLARY FLOW TEST

We ensure product quality according to the strictest standards.

THREE-DIMENSIONAL SURVEYS

MARAL resorts to qualified laboratories operating:

  • CALIBRATION OF PRIMARY TOOLS
  • CHEMICAL AND STRUCTURAL ANALYSES
  • LABORATORY TESTS
  • METALLOGRAPHY
  • CORROSION, WELDING AND NON-DESTRUCTIVE TESTS

MONITORING AND TRACEABILITY

The certified process and the use of management tools dealing with the progress of the product by batches guarantee the maximum safety of the product along all stages.