| Construction |
| Diameter | DN 8 - 15 |
| Body | investment cast 1.4435, resp. 316 L |
| forged 1.4404, resp. F 316 L |
| Inner surface | až < 0,2 mm |
| Working pressure | max. 6 bar |
| Working temperature | max. 150 °C |
| Connection | welded in standard |
| Diaphragm | EPDM - FDA, PTFE/EPDM - FDA, NBR |
 |
|
| TYPE 289, DN 8 - 15 with handwheel |
| Position aindicator standard |
| Upper part | PP / GF upto 100 °C |
| Handwheel | IXEF |
|
| TYPE 188/189, DN 8 - 15 with pneu.act. |
| Position indicator standard | standard |
| Pneumatic actuator | PP/GF upto 100°C, IXEF upto 150°C |
|
| Airpressure/working pressure diagram |
 |
| Typ 188 - NC -spring closed |
| Typ 189 - NO - spring opened |
| Typ 189 - DA - doubleacting |
