The ALP1 series comprises single external gear pumps with displacements ranging from 1.4 to 13.8 cm³/rev, available in both clockwise (-D) and counter-clockwise (-S) versions. Common model designations include:
ALP1-D-2 / ALP1-S-2 (1.4 cm³/rev)
ALP1-D-3 / ALP1-S-3 (2.1 cm³/rev)
ALP1-D-4 / ALP1-S-4 (2.8 cm³/rev)
ALP1-D-5 / ALP1-S-5 (3.5 cm³/rev)
ALP1-D-6 / ALP1-S-6 (4.1 cm³/rev)
ALP1-D-7 / ALP1-S-7 (5.2 cm³/rev)
ALP1-D-9 / ALP1-S-9 (6.2 cm³/rev)
ALP1-D-11 / ALP1-S-11 (7.6 cm³/rev)
ALP1-D-13 / ALP1-S-13 (9.3 cm³/rev)
ALP1-D-16 / ALP1-S-16 (11 cm³/rev)
ALP1-D-20 / ALP1-S-20 (13.8 cm³/rev)
