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Range of Plants
Effluent-free heat treating shops (Fig. 1) for treating steel, cast materials and nonferrous metals:
Service: spare parts all over the world
- Assembly
- Commissioning
- Operator training
- Care
- Maintenance
Effluent-free salt bath heat treating plant

Fig. 1: Schematic diagram of an effluent-free heat treating plant
- Carburizing and case hardening
- Carbonitriding
- Hardening and tempering
- Annealing
- Nitrocarburizing / TUFFTRIDEŽ-treatment
- Martempering, austempering etc.
- Isothermal heat treatments
Furnace plants for carrying out the following heat treating processes in atmospheric media
- Pack carburizing
- Tempering
- Preheating, hardening and tempering
- Prehardening and quenching
- Artificial ageing (steel)
- Steam bluing
- Boriding
Accessory parts and environment peripherals for heat treating facilities
- Rinsing cascade
- Washing machine with spray unit
- Cool and drip-off tank
- Desludging device
- Martemper bath controller
- Batch/load documentation
- Waste air cleaning
- Waste water processing (effluent-free heat treating)
Salt bath plants for special processes

- For removing moulding sand, scale, glass and paint from metals.
- For cleaning cast parts (ideal for high quality castings)
- Continuous plants for cleaning wire
- Internally
heated rectangular pot plants for the solution annealing of aluminium
parts. The biggest plant supplied by us so far has a capacity of over
200,000 kg of salt.
Continuous plant for the vulcanizing of endless rubber profiles

Fig.3 : Effluent-free vulcanizing plant.
- Fig. 3 shows an effluent-free, state-of-the-art vulcanizing plant, including the cooling and cleaning systems.
© Durferrit GmbH, Industriestrasse 3, 68169 Mannheim
Tel.: +49 (0) 621 32224-0, Fax: +49 (0) 621 32224-809
E-Mail: info@hef-durferrit.com
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