GEMU 497
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Description
The GEMÜ 497 PTFE seal butterfly valve is manually operated. It has a metal hand lever or gearbox depending on customer requirements. 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.

Technical specifications
- Connection: Flange
- Actuator: Manual
- Seal material
- Body material: ; 1.4301, stainless steel; EN-GJS-400-18-LT; S355J2G3 steel
- Conformities: EAC; 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



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