The GEMÜ 490 PTFE seal butterfly valve has a bare shaft. The disc and shaft are one piece; the body and liner are available in different designs. The butterfly valve is available in nominal sizes DN 40–900 (1½"–36") and in wafer and lug body versions.
Features
- Suitable for isolating and control functions with gaseous and liquid media
- Seal material TFM™ (FDA 21CRF 177.1550)
- Installation length acc. to ISO 5752/20, EN 558-1/20, JIS 10K
- ATEX version available as an option
- TA-Luft compliant
- Extensive applications using a variety of materials
