Aggregates bunker.

Aggregate storage

Aggregate Bunkers

Aggregate bunkers are the main storage unit of the concrete plants. They are consists of several compartments, and each compartment volume is designed according to plant capacity (i.e. 3x15=45m2 or 4x20=80m3 and etc.


Aggregate bunker design, aggreate bunker structure, used steel sheets grate and thickness, aggregates bunker components, such as: discharrge gate, pneumatic cylinders, valves, screens on it.

Feeding units.

Feeding system

Aggregate feeding to the bunker

Feeding system of concrete plants are consists of receiving bin, conveyor and swivel chute.


The feeding system makes easy loading of aggregates into the aggregate bunker without loading ramp, which means to cut the cost of constructing high-level ramp structure.


Belt conveyors

Belt Conveyors

Transporting the materials

Belt conveyors are the main means of materials transportation in concrete plants, thus its design, quality of used components & parts (such as; rollers, belt tensioning, rollers, drusm and etc.) are affect life of the system. We are designing and supplying conveyors with high quality parts and components according to your needs, which assures you long-life and economy.

Cement silo

Cement Silos

Welded or Bolt-connection type

OPT Makine designs, engineers and manufactures welded type and bolted-connection type silos of various capacieis (50t, 100, 150t, 250t, 500t, 1000t, 1500t, 3000t), used in different industries, in accordance with requested of Customers.


Especially, bolted-connection type silos can easily be transported (on trucks or in containers) to a site where it will be assembled and assembly of these silos are carried by our experienced erection team.