Technically yes, but that different key might not be computed efficiently (of course no guarantee for that, but no guarantee against that as well). To my knowle

Technically yes, but that different key might not be computed efficiently (of course no guarantee for that, but no guarantee against that as well). To my knowledge 3DES's construction is only for seamless upgrading, where putting the original 56-bit key three times gives a 3DES key.