- 98-21120 98-21124 Pneumatic single seated control valve
- 97-21000 97-21120 97-21124 97-21125 Pneumatic single seat control valve
- 97-21215 98-21215 97-21216 98-21216 Pneumatic single seat control valve
- 97-21225 98-21225 97-21226 98-21226 Pneumatic single seat control valve
- 97-21200 98-21200 Pneumatic single seated control valve