,PR1 型號(hào)造成的的壓力損失非常小
。
部分型號(hào):
S2-GL15,S2-GL20, S2-GL25, S2-GL40,S2-GSS15, S2-GSS20, S2-
GSS25,S2-FA15, S2-FA20, S2-FA25, S2-FA32, S2-FA40. S2-FA50, S2-FA65, S2-FA80, S2-
FA100, S2-FA125, S2-FA150, S2-FA200, S2-FA250, S2-FA300, S2-FA350, S2-FA400, S2-
FSS15, S2-FSS20, S2-FSS25, S2-FSS32, S2-FSS40. S2-FSS50, S2-FSS65, S2-FSS80, S2