SPR engineering

Productions Lines

Series

SHF

Controlled-atmosphere shake-earth furnaces for continuous hardening or tempering of great amounts of small pieces. Water, oil and salt bath quenching and all ancillary equipment for a fully automated line.

spr line SHF_big
spr line CHF_big

Series

CHF

Controlled-atmosphere conveyor belt furnaces for continuous hardening or carburizing of great amounts of small pieces. Water, oil and salt bath quenching and all ancillary equipment for a fully automated line.

Series

PCF

Pit hardening, carburizing and nitriding furnaces for large and difficult parts, like shafts, gears, etc. Computer-controlled process, automated smokeless charge transfer into quenching media included.

spr line PROD_ROT_big

Series

ROT

Tiltable revolving-retort furnaces for batch hardening, carbonitriding and carburizing of small pieces in fully-automated sequence. Unbeatable precision and production costs for screws, gears, etc.

Series

DMF

Continuous sintering, brazing and annealing belt furnaces for any metal alloy or powder treatment. Automatic controlled process includes atmosphere and cooling control. Dedicated native SCADA system.

Series

RNT

Forced air circulation horizontal furnaces for small or big charge treatment up to 800ºC. Multiple loading devices or even vacuum-self-cleaning version available.
– Tempering
– Stress relieving
– Hydrogen removal
– Preheating

Series

SPR

Forced air circulation vertical furnaces for precision treatments up to 650°C.
Variety of sizes available.
– Tempering
– Stress relieving
– Hydrogen removal
– Preheating

spr line CHF_big

Series

VTB

Modular installations for hardening, carburizing, nitrding and quenching in molten salt baths. Outstanding level of automation and safety.
– Preheating
– Hardening
– Nitriding
– Carburizing
– Quenching
– Washing
– Salt recover
– Drying