• 045 4649600
  • fluidotecnica@fluidotecnica.eu

GEMÜ 491

Butterfly valve, Metal, with pneumatic actuator, seal material PTFE (TFM), GEMÜ 491

Art: 491

Description

GEMÜ 491 PTFE seal butterfly valve has a metal actuator and is pneumatically operated. 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 (Ø 1 ½”– Ø 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: Pneumatic
  • 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; DN 350; DN 400; DN 450; DN 500; DN 600

Download