Chocolate Melting Tanks and Holding Systems

Chocolate melting tanks are manufactured from AISI 304 stainless steel and are designed for controlled melting, temperature holding, and line feeding. Reinforced construction supports heavy chocolate loads, while the water jacket helps maintain uniform heat distribution. Depending on model, machines can include scrapers for improved circulation, a transfer pump, and a sieve filter for cleaner flow to downstream equipment.

They are used to melt solid chocolate and keep the mass ready for transfer to tempering machines, enrobers, or depositors for further processing.

Available Models (100–1000 kg)

In addition to compact units for smaller batches, we manufacture cylindrical and rectangular tanks for workshop and medium-scale confectionery production. Depending on the application, machines can be supplied with casters for mobility or optional load cells or flowmeter for batch weight monitoring.

The range covers capacities from 100 kg to 1000 kg, with optional pumps, filtration, and control features for integration into chocolate preparation and transfer systems.

ST and CMT series use a vertical cylindrical layout suited to drops, callets, rework, and liquid chocolate holding, while the CBM series uses a rectangular reservoir with melting grid for practical block loading.

ST100 compact stainless steel vessel on caster-mounted frame ST200 stainless steel process vessel with agitator and pump ST400 medium-capacity stainless steel reservoir for chocolate handling ST600 large-capacity cylindrical reservoir with transfer pump CMT1000 insulated cylindrical process tank with circulation components
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CBM1000 rectangular block-loading melter with horizontal agitator

ST100 chocolate tank - technical features

Compact solution for small-batch production, pilot trials, and manual feeding applications.

  • Fully manufactured from AISI 304 grade stainless steel.
  • Cylindrical reservoir design.
  • Top lid with gas springs and safety switch.
  • Mounted on casters for easy mobility.
  • Water jacket system for controlled melting and temperature stability.
  • PID temperature control.
  • Variable-speed agitation.
  • Continuous or intermittent mixing mode.
  • Sidewall scrapers.
  • Integrated gear-type chocolate pump.
  • Heated swivel outlet arm for recirculation loop or chocolate transfer.
  • Loading capacity: 100 kg.
  • Total power consumption: 220 V, single-phase, 2.4 kW.

Price 11.000,00 € (excl. VAT), EXW Istanbul

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ST100 technical drawing

Technical drawing of ST100 compact stainless steel unit

ST200 chocolate tank - technical features

Balanced capacity for small workshops that require regular melting and steady chocolate supply.

  • Food-grade stainless steel construction.
  • Cylindrical reservoir design.
  • Mounted on casters for easy mobility.
  • Water jacket system for controlled melting and temperature stability.
  • PID temperature control.
  • Variable-speed agitation.
  • Continuous or intermittent mixing mode.
  • Sidewall scrapers.
  • Integrated gear-type chocolate pump.
  • Heated swivel outlet arm for recirculation loop or chocolate transfer.
  • Loading capacity: 200 kg.
  • Total power consumption: 220 V, single-phase, 3.8 kW.
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Price 13.000,00 € (excl. VAT), EXW Istanbul

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ST200 technical drawing

Technical drawing of ST200 cylindrical chocolate tank

ST400 chocolate tank - technical features

Mid-range unit designed for more stable feeding of tempering, enrobing, and depositing equipment.

  • Food-grade stainless steel construction.
  • Cylindrical reservoir design.
  • Mounted on casters for easy positioning.
  • Water jacket system for controlled melting and temperature stability.
  • PID temperature control.
  • Variable-speed agitation.
  • Continuous or intermittent mixing mode.
  • Sidewall scrapers.
  • Integrated gear-type chocolate pump.
  • Heated swivel outlet arm for recirculation loop or chocolate transfer.
  • Automated heated valve for selecting recirculation loop or external transfer. (Optional)
  • Loading capacity: 400 kg.
  • Total power consumption: 220 V, single-phase or 380 V, three-phase, 4.5 kW.

Price 15.000,00 € (excl. VAT), EXW Istanbul

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ST400 technical drawing

Technical drawing of ST400 chocolate tank

ST600 chocolate tank - technical features

Higher-capacity buffer tank for longer production runs with reduced refill frequency.

  • Food-grade stainless steel construction.
  • Cylindrical reservoir design.
  • Mounted on casters for easy positioning.
  • Water jacket system for controlled melting and temperature stability.
  • PID temperature control.
  • Variable-speed agitation.
  • Continuous or intermittent mixing mode.
  • Sidewall scrapers.
  • Integrated gear-type chocolate pump.
  • Heated swivel outlet arm for recirculation loop or chocolate transfer.
  • Automated heated valve for selecting recirculation loop or external transfer. (Optional)
  • Loading capacity: 600 kg.
  • Total power consumption: 220 V, single-phase or 380 V, three-phase, 5.5 kW.

Price 17.000,00 € (excl. VAT), EXW Istanbul

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ST600 technical drawing

Technical drawing of ST600 chocolate tank

CMT1000 insulated chocolate tank - technical features

Insulated system for large-volume chocolate circulation with improved thermal stability.

  • Food-grade stainless steel construction.
  • Cylindrical reservoir on stainless steel frame.
  • Water jacket with glass wool insulation.
  • Autoclave-type heaters for efficient heating and easy service.
  • Heaters are not in direct contact with water.
  • PID temperature control.
  • Variable-speed agitator.
  • Continuous or intermittent mixing mode.
  • Sidewall scrapers.
  • 1500 micron sieve filter.
  • Stainless steel lobe-type pump.
  • Automated heated valve for selecting recirculation loop or external transfer. (Optional)
  • Loading capacity: 1000 kg.
  • Total power consumption: 380 V, three-phase, 12.7 kW.

Price 23.000,00 € (excl. VAT), EXW Istanbul

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CMT1000 technical drawing

Technical drawing of CMT1000 insulated chocolate tank

CBM1000 chocolate block melter - technical features

Designed for direct loading and melting of solid chocolate blocks in higher-capacity operations.

  • Food-grade stainless steel construction.
  • Rectangular reservoir with horizontal agitation.
  • Variable-speed agitation.
  • Separate heated melting grid for chocolate blocks.
  • Hinged stainless steel melting grid.
  • Water jacket with glass wool insulation.
  • PID temperature control.
  • Continuous or intermittent mixing mode.
  • Gear pump (stainless steel lobe pump optional).
  • Optional load cells for precise batch weight measurement and process control.
  • Loading capacity: 1000 kg.
  • Total power consumption: 380 V, three-phase, 13.5 kW.

Price 25.000,00 € (excl. VAT), EXW Istanbul

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CBM1000 technical drawing

Technical drawing of CBM1000 rectangular block melter

Chocolate melting tank as buffer in production lines

In production lines, the melter often serves as a buffer tank. Stable product temperature, maintained by the water jacket and controlled agitation, helps keep viscosity consistent for pumping, dosing, and enrobing. Transfer is typically handled by a gear- or lobe-type chocolate pump sized to the required line flow. When installed, a sieve filter helps reduce the risk of particles reaching narrow passages in valves, dosing components, and tempering equipment.

If recirculation or return chocolate is used, the returning mass should be reheated to the melter temperature, for example by using a decrystallization tube. This helps avoid temperature shocks that can disturb viscosity stability and make process control less consistent.

Vertical cylindrical tank vs rectangular block melter

Chocolate melters are typically selected according to input format and production workflow. Cylindrical tanks are usually preferred for couverture drops, callets, rework, and liquid chocolate buffering. Rectangular block melters are designed for solid blocks and faster melt formation through a dedicated heated grid.

  • Cylindrical tank (ST / CMT): stable holding temperature, controlled agitation, and practical pump feeding to downstream equipment.
  • Rectangular block melter (CBM): more practical for solid block loading, with a controlled melt interface formed on the grid while the reservoir remains stable.
  • Why grid heating matters: it concentrates heat where the block contacts the grid, helping the chocolate melt progressively without forcing the whole mass to heat too aggressively.
  • Clean circulation option: a sieve filter protects the pump and reduces the risk of inclusions or packaging residues entering downstream process components.

How to choose the right chocolate melting tank

For engineering-level selection, the critical inputs are chocolate format, target flow rate, and whether the melter will also function as a buffer feeding tempering, enrobing, or depositing equipment.

  • Input format: drops, callets, and liquid chocolate are typically handled efficiently in cylindrical tanks, while block loading is more practical with a rectangular tank and melting grid.
  • Flow stability: when feeding a process line, stable temperature and viscosity control are usually more important than maximum heating power.
  • Circulation hygiene: filtration supports pump protection and reduces the chance of particles reaching valves, dosing systems, or tempering equipment.
  • Automation level: load cells, intermittent mixing logic, and alarm-ready temperature control simplify batch repeatability.

Related equipment

ST2000 insulated chocolate storage tank CHE500 chocolate decrystallization tube

Chocolate from the melter can be transferred to the storage tank so the unit can remain available for the next batch. If the system is also used for resting, it is important to avoid temperature fluctuations caused by returning tempered chocolate directly to the reservoir. The returning chocolate should be reheated to match the tank temperature. A decrystallization tube can be used for controlled reheating before recirculation.