PTFE-sealing, centrally mounted butterfly valve
The GEMÜ 498 Edessa PTFE-sealing, centric butterfly valve is actuated by an electric motor. Various metal or plastic on/off or control actuators are available. Disc and shaft are one piece, body and liner are available in different designs. The butterfly valve is available in nominal sizes DN 25 up to 1200 and in standard installation lengths ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) in wafer and lug body versions.
- Suitable for chemically corrosive media
- Bubble tight sealing acc. to EN 12266-1/P12, leakage rate A
- High-quality selection of materials can be combined in different ways
- High level of plant reliability thanks to one-piece shaft and spring-washer-supported seal system
- Long service life thanks to shaft bearings and special disc and liner geometry
- Wide choice of motorized actuator types