... ,17,19,21SQP321,25,30,32,35,38,4518SQP442,45,50,57,60,66,75Working parameters: The typical flowing of specifical speed ... ,35,38,4510,12,14,15,17,19,21SQP4142,45,50,57,60,66,752,3,4,5,6,7,8,9 ... ,10,11,12,14SQP4242,45,50,57,60,66,7510,12,14,15,17,19,21SQP4342,45,50,57,60,66,7521,25,30 ...