Omega1 | Omega3

Every real jewel needs the right solution. It is from here that in G.B. F.lli Bertoncello the OMEGA project was developed. This is a machine designed for casting through the lost wax method with which you can get jewels of the highest level.

• Fast induction melting with PMS (pulse mixing system)
• Controlled heating system SHS (soft heating system)
• Independent vacuum and pressure selection in the different chambers
• Use in automatic/manual mode
• Interface colour touch screen type user friendly
• 100 storable programs
• Printing system parameters at end of cycle
• Continuous diagnostics of alarms and security sensors
• Continuous control of vacuum/pressure in the different chambers
• Remote parameters viewing (on request)

Omega30 | Omega50

Every real jewel needs the right solution. It is from here that in G.B. F.lli Bertoncello the OMEGA project was developed. This is a machine designed for casting through the lost wax method with which you can get jewels of the highest level.

• Fast induction melting with PMS (pulse mixing system)
• Controlled heating system SHS (soft heating system)
• Independent vacuum and pressure selection in the different chambers
• Use in automatic/manual mode
• Close distance between crucible and cylinder
• Interface colour touch screen type user friendly
• 100 storable programs
• Printing system parameters at end of cycle
• Continuous diagnostics of alarms and security sensors
• Continuous control of vacuum/pressure in the different chambers
• Remote parameters viewing (on request)

Beta3/5/10/12

All the G.B. F.lli Bertoncello models of melting furnaces, mod. BETA static, have been designed by our engineers
to achieve the best metallurgical quality on precious metal alloys melting process, with optional 1500°C melting
temperature as required by some special alloys.

• High-performing medium frequency induction generators
• Stainless steel frame
• Perfect homogeneity of the alloys thanks to our Pulse Mixing System
• Quick melting
• Easy control of the working parameters by PLC and touch screen video, temperature control by thermocouple

• Monitor display for self-diagnosing and possible alarms with buzzer
• Possibility to save the working recipes and parameters
• Programmed maintenance with display warning
• Crucible with ceramic casing
• Tongs to handle the extractable crucible

Beta10 HT | Beta12 HT

All the G.B. F.lli Bertoncello models of melting furnaces, mod. BETA static, have been designed by our engineers
to achieve the best metallurgical quality on precious metal alloys melting process, with optional 1500°C melting
temperature as required by some special alloys.

• High-performing medium frequency induction generators
• Steel frame
• Perfect homogeneity of the alloys thanks to our Pulse Mixing System
• Quick melting
• Easy control of the working parameters by PLC and touch screen video, temperature control by thermocouple

• Monitor display for self-diagnosing and possible alarms with buzzer
• Possibility to save the working recipes and parameters
• Programmed maintenance with display warning
• Crucible with ceramic casing
• Tongs to handle the extractable crucible

IDEAL

Induction furnaces with motorized tilting of the crucible with adjustable speed, conceived for many uses like melting scraps for refinning, melting ashes for recovery, graining for alloys production, etc.

• High performing medium frequency induction generators
• Steel frame
• Perfect homogeneity of carat alloys
• Quick melting
• Tilting system by motorized linear actuators for the pouring movement with speed electronic control and joystick lever
• Easy control of the working parameters by PLC and touch screen video, with temperature control by thermocouple,
• optional by optical detector
• Monitor display for self-diagnosing and possible alarms with buzzer
• Possibility to save the working recipes and parameters
• Programmed maintenance with display warning

MINI

Vertical induction furnaces for continuous casting of wires, plates and tubes in precious alloys.

• Perfect homogeneity of the alloys thanks to our Pulse Mixing System
• Controll of the working parameters by PLC with touch screen video, self-diagnosing and possible alarms with buzzer
• Pulling system with two rollers, stepper motor, manual closing and opening of the rollers
• Protection of the melting chamber with aluminum casing easily and quickly removable to change the consumables
• High working speed thanks to the double cooling system of the die
• Certainty of maintaing the plant in good condition thanks to the self- diagnosing system and possible alarms with buzzer
• “Oxygen-free” melting chamber with in and out gas saturation
• Medium frequency generators
• Printer for data and set recipes

DELTA

Vertical induction furnaces for continuous casting of wires, plates and tubes in precious alloys.

• Perfect homogeneity of the alloys thanks to our Pulse Mixing System
• Controll of the working parameters by PLC with touch screen video, self-diagnosing and possible alarms with buzzer
• Pulling system with two rollers, stepper motor, manual closing and opening of the rollers
• Protection of the melting chamber with aluminum casing easily and quickly removable to change the consumables
• High working speed thanks to the double cooling system of the die
• Certainty of maintaing the plant in good condition thanks to the self- diagnosing system and possible alarms with buzzer
• “Oxygen-free” melting chamber with in and out gas saturation
• Medium frequency generators
• Printer for data and set recipes

Zeus5/7

Vertical induction furnaces for continuous casting of wires, plates and tubes in precious alloys.

• Perfect homogeneity of the alloys thanks to our Pulse Mixing System
• Controll of the working parameters by PLC with touch screen video, self-diagnosing and possible alarms with buzzer
• Pulling system with two rollers, stepper motor, manual closing and opening of the rollers
• Protection of the melting chamber with aluminum casing easily and quickly removable to change the consumables
• High working speed thanks to the double cooling system of the die
• Certainty of maintaing the plant in good condition thanks to the self- diagnosing system and possible alarms with buzzer
• “Oxygen-free” melting chamber with in and out gas saturation
• Medium frequency generators
• Printer for data and set recipes

Zeus12/16/25

Vertical induction furnaces for continuous casting of wires, plates and tubes in precious alloys.

• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Excellent casting even with low carats alloys and difficult sections
• thanks to the powerful pulling system with four rollers
• Pulling system with four rollers, stepper motors, closing and opening
• of the rollers with pneumatic control
• Protection of the melting chamber with aluminum casing easily and
• quickly removable to change the consumables
• High working speed thanks to the double cooling system of the die
• Certainty of maintaing the plant in good condition thanks to the selfdiagnosing
• system and possible alarms with buzzer
• “Oxygen-free” melting chamber with in and out gas saturation
• Medium frequency generators
• Printer for data and set recipes

Zeus60/120/140

Vertical induction furnaces for continuous casting of wires, plates and tubes in precious alloys.

• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Excellent casting even with low carats alloys and difficult sections
• thanks to the powerful pulling system with four rollers
• Pulling system with four rollers, stepper motors, closing and opening
• of the rollers with pneumatic control
• Protection of the melting chamber with aluminum casing easily and
• quickly removable to change the consumables
• High working speed thanks to the double cooling system of the die
• Certainty of maintaing the plant in good condition thanks to the selfdiagnosing
• system and possible alarms with buzzer
• “Oxygen-free” melting chamber with in and out gas saturation
• Medium frequency generators
• Printer for data and set recipes

ZEUS 25 XD – P 20 / ZEUS 60 XD – P 46

Vertical induction furnace for continuous casting with premelting unit for the production of wires, plate and tube in precious metal.

• Tilting system of the motorized pre-melting unit with electronic speed
• regulation and joystick control
• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Excellent casting even with low carats alloys and difficult sections
• thanks to the powerful pulling system with four rollers
• Pulling system with four rollers, stepper motors, closing and opening of
• the rollers with pneumatic control
• Protection of the melting chamber with aluminum casing easily and
• quickly removable to change the consumables
• High working speed thanks to the double cooling system of the die
• Certainty of maintaing the plant in good condition thanks to the
• selfdiagnosing system and possible alarms with buzzer
• “Oxygen-free” melting chamber with in and out gas saturation
• Medium frequency generators
• Printer for data and set recipes

LOGIC

Horizontal continuous casting induction furnacesMaximum safety thanks to the horizontal withdrawal of the material

• Crucible and die heated by two generators and two inductors, with
• independent regulation of power and temperature
• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Excellent casting even with low carats alloys and difficult sections
• thanks to the powerful pulling system with four rollers
• Pulling system with four rollers, stepper motors, closing and opening
• of the rollers with pneumatic control
• Protection of the melting chamber with aluminum casing easily and
• quickly removable to change the consumables
• High working speed thanks to the double cooling system of the die
• Certainty of maintaing the plant in good condition thanks to the selfdiagnosing
• system and possible alarms with buzzer
• “Oxygen-free” melting chamber with in and out gas saturation
• Medium frequency generators
• Printer for data and set recipes

GBR-NS

Water chillers

• R410A refrigerant gas
• Hermetic scroll compressors
• Large volume buffer tank with finned coil evaporator inside
• Axial fans with step control
• Metallic filters on condensing coils
• Large-capacity tank to stabilize the outlet water
• temperature also in the face of sudden loads
• Control allowing to modify the settings and
• personalize the chiller management

LCE

Electro-hydraulic shears to cut precious metal plates or wire

Alpha

Electric furnace with rotating table for firing plaster cylinders.

• Radiant elements with high efficiency and low energy consumption
• Radiant elements protected from accidental impacts
• Furnace/cylinder temperature homogenization system
• Rotating table in non-deformable steel
• Heated wax discharge device and easy to remove steel
• collection container
• Use in automatic / manual mode
• User friendly touch screen user interface
• 100 programs that can be stored
• Parameter printing system at the end of the cycle
• Continuous diagnostics of alarms and safety sensors
• Programmable furnace start-up
• Automatic opening the door
• Automatic recall of the cylinder position
• Possibility to view parameters remotely (on request)

Gamma

Static furnace for annealing and deoxidation of wires, plates, casting products and, in general, all the products in
precious alloys with semiautomatic recovery.

• Refractory steel basket for manual loading
• Heating chamber in super refractory steel alloy
• Separation door pneumatic control between the heating zone and the
• cooling zone
• Cooling chamber made of refractory steel and stainless steel for
• possible slow cooling in deoxidizing atmosphere
• Stainless steel quenching tank
• Stainless steel support with manual pneumatic control for the
• movement of the basket in the post-heating stages
• SHS controlled heating system (soft heating system)
• User interface colour touch screen, user friendly for the control and
• programming of all working parameters
• Weekly-daily programmer for turning on and off automatically the furnace.
• End of cycle alert with sound booster
• Dissociator ammonia (on request)
• Hydrogen gas and nitrogen gas mixer (on request)

Gamma HT-FC

Furnaces with vacuum system and purged nitrogen to increase the hardness and to improve product’s colors.

• The furnace can be used for all products in any precious and not
• precious metal alloy and is suitable for the treatment of casting
• products with any precious stones
• Work process in vacuum chamber and in the presence of nitrogen gas.
• Heating cycle and forced cooling cycle in automatic and
• programmable by PLC mode with the ability to save job recipes
• Heat treatment chamber with internal gas protection and prewash
• with gas at start of cycle
• Autodynamics and any alarms on video with sound recall.
• End of cycle warning with sound recall
• Significant increase in mechanical strength and hardness
• of the products
• Absolute homogeneity of the results combined with the
• total absence of oxidation and the maintenance of brilliant
• colour in finished products

Zeta

Static furnace for annealing and deoxidation of wires, plates, casting products and, in general, all the products in precious alloys with manual recovery.

Highlights:

• Refractory steel shovel for the manual loading.
• Heating chamber made of special refractory steel alloy.
• Stainless steel and refractory steel cooling chamber.
• Stainless steel quenching tank.
• Stainless steel basket for the manual discharge.
• Automatic regulation of temperature.
• Weekly and daily timer for automatic switching on / off.
• Timer to set the annealing time.
• Buzzer alarm at the end of the cycle.
• Dissociator ammonia (on request).
• Hydrogen gas and nitrogen gas mixer (on request).

Kappa

Static furnace for annealing and deoxidation of wires, plates, casting products and, in general, all the products in
precious alloys with semiautomatic recovery.

• Refractory steel basket for manual loading
• Heating chamber in super refractory steel alloy
• Separation door pneumatic control between the heating zone and the
• cooling zone
• Cooling chamber made of refractory steel and stainless steel for
• possible slow cooling in deoxidizing atmosphere
• Stainless steel quenching tank
• Stainless steel support with manual pneumatic control for the
• movement of the basket in the post-heating stages
• SHS controlled heating system (soft heating system)
• User interface colour touch screen, user friendly for the control and
• programming of all working parameters
• Weekly-daily programmer for turning on and off automatically the furnace.
• End of cycle alert with sound booster
• Dissociator ammonia (on request)
• Hydrogen gas and nitrogen gas mixer (on request)

Kappa HT

Static furnace for annealing and deoxidation of wires, plates, casting products and, in general, all the products in
precious alloys with semiautomatic recovery.

• Refractory steel basket for manual loading
• Heating chamber in super refractory steel alloy
• Separation door pneumatic control between the heating zone and the
• cooling zone
• Cooling chamber made of refractory steel and stainless steel for
• possible slow cooling in deoxidizing atmosphere
• Stainless steel quenching tank
• Stainless steel support with manual pneumatic control for the
• movement of the basket in the post-heating stages
• SHS controlled heating system (soft heating system)
• User interface colour touch screen, user friendly for the control and
• programming of all working parameters
• Weekly-daily programmer for turning on and off automatically the furnace.
• End of cycle alert with sound booster
• Dissociator ammonia (on request)
• Hydrogen gas and nitrogen gas mixer (on request)

Techno

Furnaces for quench annealing and heat treatments of products in precious alloys with automatic material recovery.

• Refractory steel basket for the manual loading
• Heating chamber made of special refractory steel alloy
• Separating door between heating and cooling zones with pneumatic
• control for different coolings
• Cooling chamber made of refractory steel and stainless steel
• Stainless steel cooling tank
• Pneumatic stainless steel basket for unloading
• Automatic regulation of temperature
• Weekly and daily timer for automatic switching on/off
• Setting of the working parameters by PLC and touch screen video
• Buzzer alarm at the end of the cycle
• The furnace can be required with ammonia dissociator or,
• alternatively, with hydrogen and nitrogen gas mixer
• Homogeneous annealing all over the length of the useful chamber
• High deoxidizing standard, which makes the furnace useful for the
• finished products too

Techno HT

Furnaces for quench annealing and heat treatments of products in precious alloys with automatic material recovery.

• Refractory steel basket for the manual loading
• Heating chamber made of special refractory steel alloy
• Separating door between heating and cooling zones with pneumatic
• control for different coolings
• Cooling chamber made of refractory steel and stainless steel
• Stainless steel cooling tank
• Pneumatic stainless steel basket for unloading
• Automatic regulation of temperature
• Weekly and daily timer for automatic switching on/off
• Setting of the working parameters by PLC and touch screen video
• Buzzer alarm at the end of the cycle
• The furnace can be required with ammonia dissociator or,
• alternatively, with hydrogen and nitrogen gas mixer
• Homogeneous annealing all over the length of the useful chamber
• High deoxidizing standard, which makes the furnace useful for the
• finished products too

Sincro SY3

Bell furnace for annealing and water quenching, with fully automatic cycle.

• Continuous and automatic control of the temperature by PLC
• Heating chamber made of special refractory steel alloy
• Setting of the working parameters by PLC and touch screen video
• Programmable cooling and annealing time with the possibility of
• saving working recipes
• Weekly and daily timer for automatic switching on/off
• Visual and sound alarm at the end of the cycle
• Gas sealed chamber for oxygen-free annealing
• Certainty of repeatable and homogeneous annealing cycles
• Minimum gas consumption (about 50% less than traditional plants)
• No need of using shovel and basket to handle the material
• Working comfort and safety for the operator
• Reduced overall dimensions of the furnace
• thanks to the vertical layout
• SINCRO: the hallmark for annealing

Linx 101/102/102N

Furnace for continuous annealing of wires and strips

• Maximum quality of the product thanks to the possibility of a
• repeatable and effective heat treatment
• Consistent results
• Oxidation-free treatments
• Independent working temperature control for each working line
• (version with more than one working lines)
• Independent working speed control for each working line (version
• with more than one working strands)
• Possibility to treat simultaneously in multiple lines profiles of different
• sections and alloys (version with several working lines)
• Total absence of traction-induced tensions in the product during the
• whole heat treatment
• Low power and gas consumption
• Reduced heat wasting in the working environment.
• Active and passive safety
• Ergonomic design
• Forno per ricottura in continuo di fili e nastri
• Furnace for continuous annealing of wires and strips

Linx104/104N

Furnace for continuous annealing of wires and strips

• Maximum quality of the product thanks to the possibility of a
• repeatable and effective heat treatment
• Consistent results
• Oxidation-free treatments
• Independent working temperature control for each working line
• Independent working speed control for each working line
• Possibility to treat simultaneously in multiple lines profiles of different
• sections and alloys
• Total absence of traction-induced tensions in the product during the
• whole heat treatment
• Low power and gas consumption
• Reduced heat wasting in the working environment
• Active and passive safety
• Ergonomic design

SigmaWire

Plant for continuous intermediate annealing

Plant for continuous annealing of spooled wires of round and squared
sections, with one or two working lines with independent temperature
and speed, composed by unspooling unit, pre-heating and heating
chamber, direct water contact cooling system and final spooling unit in
line.

SigmaPlate

Plant for continuous annealing

Continuous annealing plant for spooled strips with one or two working
lines, with independent temperature and speed, composed by
unspooling unit, pre-heating and maintenance chamber, direct water
contact cooling system and final spooling unit in line.

AD/DAE

The dissociator AD model ( on board the furnace ) and the DAE model ( external the furnace ) provides for dissociation
of the ammonia gas NH3 obtaining a fixed mixture of 75% Hydrogen Gas H2 and 25% Nitrogen Gas N2 which is
normally used to supply the furnaces that need a de-oxidizing atmosphere.

• Painted steel frame
• Catalyst heating group with resistances
• Heat exchanger of the dissociated gas at the catalyst outlet
• Excellent gas dissociation
• Easy installation and connection to the furnaces
• By model DAE
• Control panel for temperature adjustment complete
• with alarms and safety devices
• Automatic switching on/off timer

GB-M

Stainless steel gas mixer for hydrogen gas (H2) and nitrogen gas (N2) installed in the furnace with all fittings.

• Hydrogen and Nitrogen gas-in tap
• Hydrogen and Nitrogen gas-in pressure gauge with filter
• Hydrogen and Nitrogen gas separated
• for regulation of output
• Pressure regulator of the gas mix output
• Excellent inject gas regolation
• Easy installation and connection to the furnaces

GBR-NS

Water chillers

• R410A refrigerant gas
• Hermetic scroll compressors
• Large volume buffer tank with finned coil evaporator inside
• Axial fans with step control
• Metallic filters on condensing coils
• Large-capacity tank to stabilize the outlet water
• temperature also in the face of sudden loads
• Control allowing to modify the settings and
• personalize the chiller management

GB Burner

After burner

The after burning is a system to install in a burnout electric furnace
for casting process in order to avoid wax burning fumes, complete
with electrical system with thermocouple for the control of the
working temperature.

CompactS | CompactPlus

Belt furnace for continuous braze-soldering of solid chains, stamping products,
costume jewellery products, watchmaking, etc.

• Furnace for small and/or special productions
• Strong braze-soldering
• High quality standard
• Consistent results
• Simple starting procedure
• Low power and gas consumption
• Active and passive safety
• Ergonomic deisgn
• The model COMPACT-PLUS with two working lines has the possibility
• of treating in the same time different products with independent
• temperature and speed
• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Printer for data and set recipes

Senior | Senior Plus

Belt furnace for continuous braze-soldering of solid chains, stamping products, costume jewellery products, gold
and steel watch components, etc.

• Furnace for medium and large productions
• Strong braze-soldering
• High quality standard
• Consistent results
• Simple starting procedure
• Low power and gas consumption
• Active and passive safety
• Ergonomic deisgn
• Use of the innovative technology GB-THERM for long lasting heating
• chambers and thermic compensation for a better quality and higher
• production
• The model SENIOR-PLUS with two or three working lines has the pos
• sibility of treating in the same time different products with indepen
• dent temperature and speed
• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Printer for data and set recipes

Master | Master Plus

Belt furnace with pre-heating chamber for braze-soldering of solid or hollow chains and stamped products, for heat treatments of watchcase and watch bacelets, for annealing and coating of tubes.

• Furnace for medium and large productions
• Furnace with pre-heating chamber with two lined-up temperatures independently adjustable
• Strong braze-soldering
• High quality standard
• Consistent results
• Simple starting procedure
• Low power and gas consumption
• Active and passive safety
• Ergonomic layout
• Use of the innovative technology GB-THERM for long lasting heating chambers and thermic compensation for a better quality and higher production.
• The model MASTER-PLUS with two working lines has the possibility of treating in the same time different products with independent temperature and speed.

Compact Watch | Compact Watch Plus

Belt furnace for continuous braze-soldering of solid chains, stamping products, costume jewellery products, gold
and steel watch components, etc.

• Furnace for small and/or special productions
• Strong braze-soldering
• High quality standard
• Consistent results
• Simple starting procedure
• Low power and gas consumption
• Active and passive safety
• Ergonomic deisgn
• The model PLUS with two working lines has thepossibility of
• treating in the same time different products with independent
• temperature and speed
• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Printer for data and set recipes

Seniorwatch | Seniorwatch Plus

Belt furnace for continuous braze-soldering of solid chains, stamped products, costume jewellery products, etc.

• Furnace for medium productions
• High quality standard
• Consistent results
• Simple starting procedure
• Low power and gas consumption
• Active and passive safety
• Ergonomic deisgn
• Use of the innovative technology GB-THERM for long lasting heating
• chambers and thermic compensation for a better quality and higher
• production
• The model SENIOR-PLUS with two or three working lines has the pos
• sibility of treating in the same time different products with indepen
• dent temperature and speed
• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Printer for data and set recipes

MasterWatch | MasterWatch Plus

Belt furnace with pre-heating chamber for braze-soldering of solid or hollow chains and stamped products, for heat
treatments of watchcase and watch bacelets, for annealing and coating of tubes.

• Furnace for medium and large productions
• Furnace with pre-heating chamber with two lined-up temperatures
• independently adjustable
• Strong braze-soldering
• High quality standard
• Consistent results
• Simple starting procedure
• Low power and gas consumption
• Active and passive safety
• Ergonomic layout
• Use of the innovative technology GB-THERM for long lasting heating
• chambers and thermic compensation for a better quality and higher
• production
• The model MASTER-WATCH-PLUS with two working lines has the
• possibility of treating in the same time different products with inde
• pendent temperature and speed
• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Printer for data and set recipes

Boxer

Belt furnace with pre-heating chamber for braze-soldering and intermediate or final annealing of semi-finished
products, plates, skein or coil of wire and coil of strips.

• Furnace for large productions
• Furnace with pre-hesting chamber with two lined-up
• temperatures independenty adjustable
• Strong braze-soldering
• High quality standard
• Consistent results
• Simple starting procedure
• Low power and gas consumption
• Active and passive safety
• Ergonomic deisgn
• Use of the innovative technology GB-THERM for long lasting heating
• chambers and thermic compensation for a better quality and higher
• production
• Controll of the working parameters by PLC with touch screen video,
• self-diagnosing and possible alarms with buzzer
• Printer for data and set recipes

GB77T

Two-head tumbler with oscillating movement to prepare the chain with powder and insulate it with
industrial talc for the braze-soldering.

Machine manufactured to prepare the chain to the braze-soldering with
our conveyor belt furnaces manufactured by us.
The octagonal shape of the containers, together with the simultaneous
movement of rotation and oscillation, guarantee a continuous mixing
of the welding powder and its perfect penetration into the openings of
the chain rings. Thanks to these technical solutions, the machine can
reproduce the manual movements made during the chain preparation.
The obtained result is excellent and gives a further guarantee in the next
working steps.
Advanced instruments allow to keep under control all the movements
set in the machine and make them repeatable.

GBG

This machine is used to prepare the chain for the brazesoldering with a mixture of castor
oil, trichloroethylene and soldering powder.

The machine is composed of:
• Two spools to load the chain
• Stainless steel tank to catch the exceeding mixture
• Working speed digital indicator
• Working cycle programmer
After this procedure, the chain is prepared with the soldering powder
(Super 2000) and then it is insulated with the industrial talc with
our tumbler model GB 77T. Advanced instruments allow to keep
under control all the movements set in the machine and make them
repeatable.

GB13

Automatic electronic chain feeder with optical fibers control.

• Metal frame to lean on the working plan containing the
• electronic and mechanic devices
• Chain pulling roller
• Pressing movable roller to hold the chain against to the pulling roller
• Chain guiding steel roller with several lines

GBGB160E6 | GB160E1613

Electronic welder with pneumatic movement

• Welding parameters
• Wide range of use, as electric welding of the chain end- links, locking
• of flat chains, welding of overlapping details, etc
• Possiblity to work with gold alloys, silver alloys, etc
• No oxidation and marks of contact with the electrodes
• Consistent results even after long series of weldings
• Wide range of settings in relation to the thickness and
• theshape of the chain

GB-SL

Coiling decoiler for gold and silver plate

GB-AL

Coiler unit for gold and silver plate

AD/DAE

The dissociator AD model ( on board the furnace ) and the DAE model ( external the furnace ) provides for dissociation
of the ammonia gas NH3 obtaining a fixed mixture of 75% Hydrogen Gas H2 and 25% Nitrogen Gas N2 which is
normally used to supply the furnaces that need a de-oxidizing atmosphere.

• Painted steel frame
• Catalyst heating group with resistances
• Heat exchanger of the dissociated gas at the catalyst outlet
• Excellent gas dissociation
• Easy installation and connection to the furnaces
• By model DAE
• Control panel for temperature adjustment complete
• with alarms and safety devices
• Automatic switching on/off timer

GB-M

Stainless steel gas mixer for hydrogen gas (H2) and nitrogen gas (N2) installed in the furnace with all fittings.

• Hydrogen and Nitrogen gas-in tap
• Hydrogen and Nitrogen gas-in pressure gauge with filter
• Hydrogen and Nitrogen gas separated
• for regulation of output
• Pressure regulator of the gas mix output
• Excellent inject gas regolation
• Easy installation and connection to the furnaces

GBR-NS

Water chillers

• R410A refrigerant gas
• Hermetic scroll compressors
• Large volume buffer tank with finned coil evaporator inside
• Axial fans with step control
• Metallic filters on condensing coils
• Large-capacity tank to stabilize the outlet water
• temperature also in the face of sudden loads
• Control allowing to modify the settings and
• personalize the chiller management