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GEMÜ 498

Butterfly valve, Metal, with motorized on/off or control actuator, seal material PTFE (TFM), GEMÜ 498

Art: 498

Description

The GEMÜ 498 PTFE seal butterfly valve is motorized. Various metal or plastic actuators are available in open/closed or control versions. 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.

Tecnical description

  • 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
  • Connection: Flange
  • Actuator: Motorized
  • Seal material
  • Body material: 1.4301, stainless steel; EN-GJS-400-18-LT; S355J2G3 steel
  • Conformities: FDA; TA Luft (German Clean Air Act)
  • Max. operating pressure: 10 bar
  • Max. media temperature: 200 ° C
  • Min. media temperature: -20 ° C
  • Nominal sizes: DN 40 (1 1/2”); DN 50 (2”); DN 65 (2 1/2”); DN 80 (3”); DN 100 (4”); DN 125 (5”); DN 150 (6”); DN 200; DN 250; DN 300
  • Control valve

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