AV (green) - Auto valve, a.k.a. Schraeder, Moto. Length 40 mm.
DV (orange) - Woods valve, a.k.a. Bicycle, Hollands. Length 32 mm or 40 mm.
SV (red) - Sclaverand valve, a.k.a. Presta, French. Length 40 mm / 50 mm /60 mm / 80 mm.
A standard Schwalbe tube holds the air considerably longer. Due to the purity of the rubber compound and the uniform wall thickness.
Reduced weight. Same reliability as the standard version. Not in all sizes.
Extremely light. Only for very few sizes.
Extremely robust. A reinforced rubber base protects against dreaded valve shearing off. Only in Downhill sizes. If you want large volume with low weight, choose Extralight.