Core technologies
Ultra-low temperature.
Extreme cold, down to −60 °C at the core, where there is no margin for error.
Pioneers in ultra-low temperature
APINA is a pioneer in Ultra-Low Temperature freezing plants. As early as 1988 it revolutionised the market by designing and building ULT installations at −65 °C for freezing swordfish.
When the target temperature is at the limit, engineering makes the difference: cascade systems, insulated piping, evaporators and freezing tunnels to preserve product quality, structure and value.
Three generations of ULT
1st generation · 1988
Pioneers in ULT at −65 °C for freezing swordfish: M/V Siete de Julio, Radoche Primero, Mayi Seis, IBSA IV and V.
2nd generation · 2005
Tuna freezing plant at −70 °C with two tunnels and 200 t wells at −50/−55 °C aboard the M/V Alakrana.
3rd generation · 2014-2015
Automatic ultra-freezing system on three latest-generation tuna vessels: 2 tunnels at −70 °C and 6 wells of 600 t at −60 °C (Izaro, Jai Alai, Euskadi Alai).
Ultra baja temperatura
−60 °C en espina.
Cuando la temperatura objetivo está en el límite, la diferencia está en la ingeniería.
- +20 °CMáquina en reposo
- 0 °CCondensación inicial
- −20 °CFlujo frigorífico activo
- −40 °CEscarcha controlada
- −60 °CSistema estabilizado
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