Mita PMM Series

 

The towers of the PMM series are an extension of the PME-E range. Their usage is particularly interesting for medium and large sized systems.

FEATURES:

  • realized with the use of completely incorrodible materials
  • 8 models available
  • potential from about 1000 to 7300 kW

 

 

PMM series catalogue

Technical Data, Special Versions

 

 mita-pmm-series

Towers made with a broad usage of totally incorrodible materials.
The body is built with modular fiberglass sandwich panels combined together by means of an after-fabrication hot-dip galvanized steel structure; the nuts and bolts used are in AISI 304 steel.

All of the models are transportable in pre-assembled sections, while their on-site assembly is extremely easy and fast.

Every section is also equipped, as a standard, with walls that can be opened to easily access the heat exchange material, the condensate separator and the water distribution system for a consequently convenient and complete cleaning.

PMM series technical specifications


TOWER BODY realized through a supporting structure in sections of after-fabrication hot-dip galvanized steel, with lateral reinforcement consisting of sandwich panels of 22 mm thickness in fiberglass reinforced polyester resin and covered with an isophthalic anti-UV ray protective gel coat.
The seal between the supporting structure and the panels is guaranteed by a special bituminous sealing gasket.
There are also condensate separating panels housed in the superior part of the body, with respective supports in hot-dip galvanized steel.
The tower body is also equipped, standard and on the side opposite to the hot water inlets, with walls that can be opened to easily and freely access the heat exchange material, the nozzle ramps and the condensate separator.
pmm-technical

PERIMETER FRAME WITH FILLING MATERIAL SUPPORT made of high-thickness after-fabrication hot-dip galvanized steel, placed at the base of the tower body and fixed to it to render the entire structure more rigid.
Metallic sections are firmly fixed to the frame, with overlapping tight-knit hot-dip galvanized steel networks, with the aim of supporting the filling material.

SUPERIOR COVER entirely realized in hot-dip galvanized anti-slip striated sheet steel, complying with the existing safety standards.  The cover can be walked on, and upon request, a vertical access stairway with safety railing can be provided.

FILLING MATERIAL (also for heat exchange) composed of panels with air/water passage channels of 20 mm consisting of auto-extinguishing and inputrescible PVC sheets, thermoformed under vacuum and then attached together.
The filling material thus realized gives the shape and dimensions both to optimize the efficiency of the air/water contact and the resulting heat exchange process.

WATER DISTRIBUTION SYSTEM made with unified PN 10 pipes and fittings in PVC, and with polypropylene tangential spray nozzles, obtained through injection molding on exclusive proprietary MITA dies.
A group including a manometer for checking the entrance water pressure and a purge valve are supplied with the water distribution system.

CONDENSATE SEPARATOR that is double-fold, composed of panels consisting of auto-extinguishing and inputrescible PVC sheets, thermoformed under vacuum and then attached together.
The shape and the dimensions of the panels are designed to minimize the dragging of the water droplets by the fan.

TRANSMISSION AXIAL VENTILATION SYSTEM, consisting of:
  • 4 pole waterproof electric motor (IP 55), F class insulation F, with tropicalized wrapping, multi-tension and multi-frequency, placed externally to the fan ferrule
  • flexible transmission system composed of a cable driveshaft without intermediate support
  • orthogonal axes reducer for the specific operation of cooling towers
  • aluminum blade fan with a wing profile, adjustable when still, united by a central hub secured to the slow reducer driveshaft, operating at a very low RPM and characterized by a reduced noise level
  • sectioned fiberglass ferrule, of a size and shape appropriate for optimizing fan performance and reducing power consumption
  • support frame for the entire ventilation group, with housing for the electric motor, gearbox and transmission shaft, in hot-dip galvanized steel.

INFERIOR SUPPORT STRUCTURE made with sections of after-fabrication hot-dip galvanized steel, designed to be based in a cement basin prepared by the client.

SPRAY NOZZLES in fiberglass reinforced polyester resin, of an exclusive design.



 

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