- ABU-SM-2010Splined Coupling 25x22 - tht = 14 -pump group 1 with- conical shaft D = 8.0. 1:8 - Tab disc Sp = 2.4
- ABU-SM-2020Splined Coupling 25x22 - tht = 14 -pump group 2 - with conical shaft D =14.2. 1:8 - Tab disc Sp = 3.17
- ABU-SM-2520Splined Coupling 28x25 - tht = 15 -pump group 2 - with conical shaft D =14.2. 1:8 - Tab disc Sp = 3.17
- ABU-SM-3020Splined Coupling 35x31 - tht = 18 -pump group 2 - with conical shaft D =14.2. 1:8 - Tab disc Sp = 3.17
- ABU-SM-3021Splined Coupling 35x31 - tht = 18 -pump group 2TUROLLA - with conical shaft D =14.5. 1:8 - Tab disc Sp = 4,0
- ABU-SM-3030Splined Coupling 35x31 - tht = 18 -pump group 3 - with conical shaft D =18.7. 1:8 - Tab disc Sp =4.0
- ABU-SM-3530Splined Coupling 40x36 - tht = 20 -pump group 3 - with conical shaft D =18.7 1:8 - Tab disc Sp = 4.0