GEMÜ D457

Manually operated butterfly valve

  • Description
  • Features
  • Technical specifications

The GEMÜ D457 soft seated butterfly valve is manually operated. It has a metal hand lever or gearbox according to customer requirements. The butterfly valve is available in nominal sizes DN 50 - 300 and has a Wafer body version.

  • Low weight
  • Corrosion resistant plastic body
  • Disc outlet dimension designed on plastic piping
  • Lockable hand lever made of plastic with latch positions
  • Media temperature: 5 to 90 °C
  • Ambient temperature: 20 to 60 °C
  • Operating pressure*: 0 to 10 bar
  • Nominal sizes*: DN 50 to 300
  • Installation lengths: ISO 5752/20 | EN 558-1/20 | API 609 category A
  • Body configurations: Wafer
  • Connection types: Flange
  • Connection standards: ANSI | EN | JIS
  • Housing materials: PP, reinforced
  • Liner materials: EPDM | FKM
  • Disc materials: PP-H | PVC-C | PVC-U
  • Conformities: EAC

Product video

How butterfly valves work

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Online since 16.09.2015