Furnace

The Del DSC Electric Muffle Furnace is purpose-built for the goldsmith and precious metal refining industry, ensuring high precision and efficiency in cupellation—the essential process of refining and separating noble metals like gold and silver from base metals.

This advanced furnace features a removable carborundum muffle with a capacity of up to 12 cupels, integrated with a suction hood for effective vapor extraction. It comes equipped with a digital thermoregulator, a durable cupel support shelf, and an optional programmable timer (daily or weekly) for automated on/off operation.

Engineered for consistency, safety, and convenience, the Del DSC is an ideal solution for professional refining and assaying applications.

Key Features

• Removable Carborundum Muffle – Holds up to 12 cupels
• Integrated Suction Hood – Safe and efficient vapor removal
• Digital Thermoregulator – Accurate temperature control
• Optional Timer – For automated daily or weekly operation
• Compact and Durable Design – Built for long-term professional use

Technical Specifications

Applications

• Gold & silver refining using the cupellation process
• Assaying laboratories for purity analysis
• Jewelry manufacturing
• Industrial precious metal separation

The Del D-C Electric Muffle Furnace is built for professionals in the goldsmith and precious metals industry, delivering high performance for cupellation—the process of refining and separating noble metals like gold and silver from base metals.

It features a removable carborundum muffle (up to 18 cupels capacity), an integrated suction hood for safe vapour removal, and a digital thermoregulator for accurate temperature control. An optional daily/weekly programmable timer allows automated operations, making it efficient, durable, and user-friendly for refining and assaying processes.

Key Features

• Removable Carborundum Muffle for easy handling
• Integrated Suction Hood for safe vapour removal
• Digital Thermoregulator for precision temperature control
• Optional Timer for daily or weekly automatic operations
• Robust & Energy-Efficient Design

Technical Specifications

Applications

• Gold & silver refining (Cupellation process)
• Assaying laboratories
• Jewelry manufacturing units
• Industrial precious metal recovery

The Del DS5-C Silite Rod Electric Furnace is designed for the jewelry and precious metals industry, delivering exceptional efficiency and precision for cupellation—the essential process of refining and separating noble metals such as gold and silver from base metals.

This advanced furnace operates on eight high-quality silite heating rods, ensuring extremely high temperatures, rapid heat-up, and uniform thermal distribution. It includes a removable carborundum muffle that accommodates up to 18 crucibles, integrated with a powerful exhaust hood for safe and efficient vapor removal.

To enhance usability, the furnace comes equipped with a digital thermostat, a sturdy cup rack, and an optional programmable timer (daily or weekly) for automated on/off operations. Built for durability, precision, and operator safety, the Del DS5-C is the ideal choice for professional gold refining and assaying laboratories.

Key Features :

●Eight Silite Rods for high-temperature stability and rapid heating

●Removable Carborundum Muffle holding up to 18 crucibles

●Integrated Exhaust Hood for safe vapor removal

●Digital Thermostat for precise temperature control

●Optional Timer for daily or weekly automation

●Heavy-Duty Construction ensuring long-term reliability

Technical Specifications

Applications

● Gold & silver refining through cupellation 

● Assaying laboratories for purity analysis 

● Jewelry manufacturing units 

● Industrial precious metal separation

MELTING Furnace iD series tilting The components of the static tilting furnaces are a swivel head on which the heating inductor is mounted and two flexible copper water-cooled cables connecting it to the MF induction.

The solid aluminum frame holding the medium frequency induction circuit with fast melting speed is surrounded by powder-coated panels.

The rotation is on two points by a motor acting on a tree where they placed two pulleys, and the swivel head is constructed of panels made of aluminum plates and Sindanio asbestos-free panels mounted on a stable base.

All of this is managed by a rollover and emergency control panel.

Vulcano Series: High-Performance Continuous Casting Furnaces

The Delmer Volcano Series is a lineup of high-performance continuous casting furnaces engineered for precision metal casting of gold, silver, and other non-ferrous metals. These advanced machines offer consistent shaping, controlled heating up to 1400 °C, and reliable performance suited for jewelry manufacturers, metal processing workshops, and industrial casting applications.

The Vulcano Series brings precision and power to metal casting with two powerful models: Vulcano 3000-5000 and Vulcano 7/12. These machines are engineered to provide excellent results, whether you're working with small or large metal shapes.

Key Features:

• Multiple Models: Available in bench and floor configurations — cD 3, cD 5, cD 7, and cD 12 — to fit production scale and space requirements.
• High Temperature Capability: All models can reach up to 1400 °C, suitable for precious metal casting.
• User-Friendly Control Panel: Intuitive controls with easy access and maintenance.
• Durable Construction: Built with integrated cooling systems, gas protection, and removable covers for long service life and reliability.
• Efficient Continuous Casting: Designed for steady, reliable metal shaping and casting with consistent quality across batches.
• Optional Customization: Additional features are available such as enhanced gas protection, tool cabinets, and water cooling tanks (especially for larger models).

Typical Uses

The Vulcano Series Continuous Casting Furnaces are ideal for:

• Jewellery casting and refining (gold, silver, alloys)
• Precision metalwork and industrial components
• Foundry and workshop continuous casting applications
• Automated profile and shape production from molten metals

Model Specifications:

Vulcano 3000-5000 (Bench Model)

• Power: 8.5 kW

• Capacity: 3.6 kg of 18kt Gold or 5.3 kg of 925 Silver

• Temperature: Up to 1400°C

Vulcano 7/12 (Floor Model)

• Power: 9.5-12.5 kW

• Capacity: Up to 12.7 kg of 24kt Gold or 6.9 kg of 925 Silver

• Temperature: Up to 1400°C (Optional)

Technical Specification

FAQ

What is a Vulcano Series continuous casting furnace?

It’s a range of electric continuous casting furnaces designed for steady, efficient casting of gold, silver, and other non-ferrous metal shapes using controlled heating and cooling systems.

Which metals can the Vulcano Series handle?

The Vulcano Series is suitable for precious and non-ferrous metals such as gold (different karats), silver, brass alloys, and similar materials requiring controlled casting.

What are the main model differences?

• cD 3 & cD 5: Bench models for smaller batches and compact workshop use.
• cD 7 & cD 12: Floor models with larger capacity and power for higher production volumes.

What is continuous casting?

Continuous casting pours molten metal into a water-cooled mold where it solidifies into profile shapes continuously, offering speed and quality advantages over traditional batch casting.

How hot do these furnaces get?

The Vulcano Series can reach temperatures up to approximately 1400 °C, ideal for handling precious metals like gold and silver.

The Vacumetal is an unit for creating objects with the casting lost wax method using a furnace ST to melt the metal.
It's made with a trolley on which are mounted to the vacuum chamber and the pump connected by a tube of large cross-section to create, inside the vacuum necessary for the achievement of the cylinders. the machine only uses cylinders with flange adapted by reducing discs.
Two models are available VAC160 and VAC250 which indicate the maximum diameter of the used cylinder.

Small amounts of metal, such as 3 or 5 kg, are melted using vD 3 vacuum casting machines.

A graphical user interface with LCD display that can store up to 100 channels of timing and working temperatures simplifies all operations.

With a legacy of over 40 years in industrial equipment design and manufacturing, Delmer Group is a trusted global leader in specialized thermal processing solutions. Our annealing tunnel furnaces are the backbone of high-volume jewelry production, engineered to meet the exacting metallurgical standards required for gold, silver, and copper processing.

Our furnaces feature two heating chambers that operate with separate heating zones and temperature settings.

A tubular frame and panels with louvres for air exchange are used to construct furnaces. General maintenance interventions are easier with a tubular system.

Heating muffles are made of resistance and unique, highly thermally efficient refractory insulating panels. Strong temperature changes can be handled by a special heating chamber made of stainless steel.

Due to belt movement, internal sliding blocks prevent chamber wear and tear. Water is used to cool the cooling chamber. The chambers are held together by a flange, and a nozzle on it allows gas to enter. In order to improve de-oxidation, two burners are placed in front of the tunnel's two ends.

Continuous Annealing for Superior Metal Quality

Our furnaces are designed for precision, consistency, and efficiency, making them ideal for a wide range of applications:

• Jewelry Chains – Exceptional temperature uniformity and advanced atmospheric control ensure chains with optimal ductility, flawless crystalline structure, and long-term durability, even in the most intricate designs.
• Coin Blanks – Our annealing process optimizes molecular structure, preventing cracking or warping during minting, and delivering a smooth, high-quality surface finish.
• Rectangular Plates & Wires – By reducing internal stresses, our furnaces allow for complex shaping, bending, and forming without the risk of fracture, ensuring maximum production efficiency.

Our annealing furnaces are constructed of panels with Louvres for air exchange and a tubular frame. General maintenance interventions are easier with a tubular system.

Heating muffles are made of resistance and unique, highly thermally efficient refractory insulating panels. Strong temperature changes can be resisted by special stainless steel heating chambers.

Protection gas enters the chamber through nozzles. The de-oxidation process is improved by a burner placed in front of the chamber to prevent oxygen entry. Inside is a shovel made of stainless steel.

When annealing metal, you simply push the pale to the bottom of the cooling chamber and drop it into the water tub for instant cooling (or leave it lying in the cooling chamber to cool, taking some time). The tub's treated material is removed either manually or (optionally) with a pneumatic piston.

Delmer Bench Furnace – Bench top Induction Melting Furnace for Precious Metals is a compact, high-precision induction melting furnace engineered for melting gold, silver and other non-ferrous metals with accuracy, safety, and consistency. It’s ideal for jewelry workshops, small laboratories, foundries and precious metal processing facilities that require precise melts without open flames or combustion gases.

Key Features & Benefits

• Fast, clean induction melting: Electric induction heats the metal without combustion, reducing contamination and improving energy efficiency.
• Digital temperature control: Easy adjustment and monitoring through a digital thermoregulator.
• Compact, bench-top design: Space-saving and suitable for small workshops.
• Safe operation: 230 V single-phase power with integrated thermocouple control and ceramic-jacket crucible.
• Three metal capacities: Melting capacities include ~1.54 kg gold 24 kt, ~1.24 kg gold 18 kt, and ~0.84 kg silver 925.

Technical Details :

Typical Uses

The Delmer Bench Furnace is ideal for:

💍 Jewellery melting (gold, silver, platinum alloys)

🧪 Metal laboratories and refining work

🏭 Small-scale foundry and casting operations

📏 Precision melting in industrial prototyping

FAQ

What metals does the Delmer Bench Furnace melt?

It is designed to melt gold, silver, and other non-ferrous metals at controlled temperatures — suitable for jewelry and small metal casting operations.

How does an induction melting furnace work?

Induction furnaces generate a magnetic field around a crucible that induces electrical currents within the metal, heating it efficiently and uniformly without direct contact or combustion.

What is the maximum temperature of this furnace?

The Delmer Bench Furnace reaches up to about 1150 °C, sufficient for melting gold, silver and similar non-ferrous metals.

Is this furnace suitable for jewelry workshops?

Yes — its compact size, digital control, and clean induction melting make it highly suitable for jewelry workshops, metal refining, and precision casting environments.

What power supply does it require?

It runs on 230 V electrical supply with ~1.5 kW installed power — common in workshop and light industrial settings.

Delmer iD Series Induction Furnace is a high-performance induction melting furnace designed for efficient, clean, and precise melting of gold, silver, and other non-ferrous metals in jewelry workshops, metal casting labs, and industrial foundries.

What It Is

An induction melting furnace is an electrical furnace that uses electromagnetic induction to heat and melt metal without direct contact between the metal and the heating element. This enables:

• Faster heating to high temperatures
• Clean, contamination-free melts
• Automatic stirring and precise control

Delmer’s design includes medium-frequency induction technology, which produces metal melts with a high degree of homogeneity.

Features:

• By churning the molten alloy at a medium frequency, alloys are produced with a high degree of homogeneity.
• Industry-leading ARM-7 microcontroller controls the furnace.
• Touch screen 7-inch color TFT for user-friendly access.
• Temperature of melting that is programmable (by touch screen)
• Power that may be programmed using a touch screen
• Display of automatic fault detections.
• A higher power factor.
• Quick melting

How It Works

Induction melting occurs when an alternating current passes through a water-cooled copper coil, creating a magnetic field that induces eddy currents within the metal charge. These eddy currents generate heat due to electrical resistance, melting the metal efficiently and uniformly without direct heating contact.

Ideal for:

• Goldsmiths & jewelers
• Precious metal laboratories
• Small foundries & casting workshops
• Metal prototyping and refining operations

FAQ

What is the Delmer iD Series Induction Furnace?

It’s an electrical induction melting furnace for precise and efficient melting of gold, silver, and other non-ferrous metals without open flame.

Which metals can be melted in this furnace?

This furnace is suitable for gold, silver, brass, copper, and other non-ferrous alloys.

How does induction melting differ from traditional furnaces?

Induction furnaces heat metals via electromagnetic fields, resulting in faster heating, cleaner melts, and better energy efficiency compared to gas or fuel-based furnaces.

Does the Delmer iD Series Induction Furnace allow temperature control?

Yes — it includes a programmable touch screen that lets operators set and monitor melting temperatures.

Is the furnace suitable for industrial use?

Yes — this induction furnace is designed for continuous and repeatable melting cycles, making it suitable for both professional workshops and industrial metalworking settings.

What are common applications of this induction furnace?

• Jewellery melting and casting
• Precious metal alloy production
• Metal prototyping
• Small to medium-scale foundry operations

The cD series "ETNA"line includes a variety of continuous casting furnaces with crucible capacities ranging from 10 to 140 kg. A graphical interface and display assist the user in his task. A tubular frame and movable panel secure access to the machine body for simple maintenance. The profile drive system is made of aluminum, is fully cooled, and is powered by a stepper motor coupled to a planetary gear; it should be integrated with the casting chamber.

All of this system is closed by an easily removable cover: entry to melting equipment (Ceramic jacket, chain bushings, thermocouples) is very quick, minimizing replacement time. The cooling socket has been enhanced in accordance with the equipment so that The cooling socket has been refined in tandem with the equipment to provide the best potential performance.

The machine's heart is a mid-frequency system designed and constructed entirely by the Technical Opdel. These furnaces are frequently used for special profiles requiring a large quantity of metal to be melted. It can use accessories such as shears or saws to trim profiles and trays to cool them. In some cases, an additional tilting head can directly fill the empty crucible with liquid metal to minimize production slowdown.

• KEY CHARACTERISTICS:
  
  
  • Due to the molten alloy being stirred, medium frequency gives alloys a high degree of homogeneity.
  
  • With an LED display, buttons are simple to use and access.
  
  • Adjustable power.
  
  • A higher power factor.
  
  • Industry-leading MO Cortex microcontroller controlling the furnace.
  
  • Temperature controllable for melting.
  
  • Automatic fault finding and visualization.
  
  • To prevent accidents and ensure uniform pouring, a tilting mechanism is motorized.
  
  • Fast melting with a strong induction generator.
  
  • Minimal upkeep is necessary.

Specifications: 

Delmer Electric Melting Furnace is a reliable and user-friendly electrical metal melting furnace designed for melting gold, silver, brass, aluminum and other non-ferrous metals for casting, ingots and jewelry applications. It provides precise temperature control, compact design, and safe operation ideal for jewelry workshops, small foundries, and hobbyists.

The Automatic Melting Furnace was designed to be a safe and easy-to use electrical method for melting gold, silver and other non-ferrous metals for casting and ingot-pouring applications. It offers precise control of melting temperatures up to 1120°C (2028 °F) through its user friendly, easily programmable controller with LED display.It comes with special kanthal heating element which gives higher operating temperature range and longer life. The glass wool insulated lid holds in heat and keeps oxygen out for a cleaner melt.

Specification of Product:

Technical details:

• Design type : Italian
• Plug Type : 3 pin plug (5 amp.)
• Power supply : (850,1300,1700) W, 230V AC, Single Phase
• Max. temperature : 1200°C
• Display type : LED
• Sensor type : K type
• Heating element : Kanthal (FeCrAl)
• Insulation coil : Glass wool
• Continuous operating time : 1-2 Hours
• Melting time : 15 -20 Minute.
• Product included : 1electric furnace,1 Graphite crucible without jacket,1 power cable,1 hand gloves,1 safety glasses,Tong & Manual guide

How It Works 

An electric melting furnace uses resistance heating where electric current flows through a Kanthal heating coil. The coil heats up and transfers heat to the crucible, melting metal indirectly — which means no direct contact between the heating element and the metal, resulting in cleaner melts.

Key Features & Benefits  

• Designed for melting gold, silver, brass, aluminum & other non-ferrous metals with consistent results.
• Precise digital temperature control up to ~1200 °C (2110 °F) for accurate melts.
• LED display & K-type sensor for real-time temperature monitoring.
• High-quality Kanthal heating element with longer service life.
• Effective insulation (glass wool lid) keeps heat in and reduces contamination.
• Compact and portable design (8 kg) ideal for small shops.

Typical Uses

• Jewellery workshops — melting precious metals before casting
• Small foundries — low-volume metal melting
• Metal casting & prototype parts
• Educational and hobbyist metalworking setups

How To Operate :

1. Pick an appropriate and safe working space to operate the furnace. Make it certain that the area in which you are working is madeup of incombustible material that won't catch fire in the event of liquid metal spill.
   
2. Make sure there is safe distance of atleast 24 inch between the furnace and any combustible material or item that maybe present in the immediate surrounding.
3. Put the crucible into the furnace chamber and make sure the crucible is touching the thermocouple properly.
4. Add the material to be melted into the crucible(add Flux if required).
5. Close the lid properly.
6. Plug in the furnace into the 220V AC power supply.
7. Turn on the green coloured ON/OFF button on the furnace (Green coloured light should be lit).
8. For setting the temperature, Press the square button on the temperature controller, keeping it pressed press the up /down button to adjust it according to your requirement and then release.
9. When the metal is melt turn off the green button.
10. Take out the crucible from the furnace with help of a tong.
    
    ( NOTE:- Always wear safety glasses, gloves and safety shoes for your safety )

FAQ

What metals can the Delmer Electric Furnace melt?

It is suitable for melting gold, silver, brass, aluminum and other non-ferrous metals safely and consistently.

What is the maximum temperature of this furnace?

The furnace can reach temperatures up to around 1200 °C, which is sufficient for melting gold, silver, brass and similar metals.

How does an electric melting furnace work? 

This furnace uses an electrical resistance heating element (Kanthal). When powered, the coil heats and radiates heat to the crucible, melting the metal inside without direct contact.

Is this furnace suitable for jewelry making?

Yes — its precise temperature control and compact size make it ideal for jewelry workshops and small casting operations.

Can this be used at home?

Yes — with proper safety precautions (ventilation and protective gear), this electric melting furnace is suitable for small-scale or hobbyist metal melting.