The GEMU 498 PTFE seated butterfly valve is motorized. Various metal or plastic on/off or control actuators are available. Disc and shaft are one-piece, body and seat are available in different designs. The butterfly valve is available in nominal sizes DN 25 - 1600 (1"- 5") and in wafer and lugged body versions.
  • Suitable for isolating and control functions with gaseous and liquid media
  • Seal material TFM™ (FDA 21CRF 177.1550)
  • Installation length according to ISO 5752/20, EN 558-1/20, JIS 10K
Unit of Measure




Body Material

N/A 1.4301 Stainless Steel EN-GJS-400-18-LT, SG Iron; Duroplast Plastic PTFE S355J2G3 Steel

Body Configuration

N/A Lug Wafer

Actuator Type

N/A Motorized

Operating Pressure

N/A 6 to 10 bar

DN Size

N/A 1 to 5 25 to 1600

Media Temperature

N/A -20 to 200 ºC