| Applies for models | Manufacture period | Spec |
|---|---|---|
| S.GA16DS +5HB.GA16DS | 06.1990 - 01.1991 | (PIPING) |
| S.(GA16DS+CD20) +5HB.(GA16DS+CD20) | 01.1991 - 04.1993 | (PIPING) |
| S.(GA16DS+CD20) +5HB.(GA16DS+CD20) | 04.1993 - 05.1993 | (PIPING) |
| S.(GA16DS+GA16DE) +5HB.(GA16DS+GA16DE) | 05.1993 - 09.1994 | (PIPING) |
| S.(GA16DS+GA16DE) +5HB.(GA16DS+GA16DE) | 09.1994 - ... | (PIPING) |
|