GEMU 497 Butterfly Valve

Code: GEMU 497
  • Metal Butterfly Valve
  • Manual
  • Connection:  Flange (lug); Flange (wafer)

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The GEMU 497 Edessa 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 25 to 1050 (1½”–36″), in the standard installation lengths: ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) and wafer and lug body versions available.

Features

  • Suitable for chemically corrosive media
  • High-quality selection of materials can be combined in different ways
  • High level of plant reliability thanks to a one-piece shaft and spring-washer-supported seal system
  • Lockable hand lever
  • Optional stainless steel hand lever
  • Seal material TFM (FDA 21CRF 177.1550)
  • Installation length acc. to ISO 5752/20, EN 558-1/20, API 609 category A
  • Top flange acc. to EN ISO 5211
  • Connection standards PN 10, PN 16, ASME B16.5 cl. 150, JIS 10K
  • Leak test acc. to. EN 12266-1/P12 leakage rate A
  • Long service life thanks to shaft bearings and special disc and liner geometry
  • ATEX compliant version for potentially explosive areas of group II, zones 0, 1, 2 (or 20, 21 and 22) available

Technical details

  • Connection: Flange (lug); Flange (wafer)
  • Actuator: Manual
  • Seal material
  • Body material: 1.4404, block material; EN-GJS-400-18-LT, SG iron material; S355J2 + N, cast steel material; VE Duroplast, reinforced
  • Conformities: ATEX; EAC; FDA; SIL; TA Luft (German Clean Air Act); USP
  • Maximum operating pressure: 10 bar
  • Maximum media temperature: 200 ° C
  • Minimum 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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Title Size
Gemu 490_491_497_498 Datasheet 1 MB

Additional information

Weight0.09 kg