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Neotecha-NeoSeal Lined Valve

Neotecha NeoSeal Lined Butterfly Valve

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Descrizione del prodotto

The Neotecha NeoSeal is a PTFE lined bare stem butterfly valve according ISO 5752/5 short (EN 558-1/T5) with various corrosion resistant disc materials. These valves are ideally suited for corrosive applications, requiring reliable performance, tight shutoff, constant torque and no maintenance.

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NeoSeal Lined Valve
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Funzionalità

  • The elastomer back-up pads behind the liner ensure a tight fit around the disc, for a bubble tight shut-off.
  • The liner provides a wide flange sealing surface.
  • A one piece thin disc stem lined with 3 mm molded PFA providing high Kv values.
  • The liner and disc are the only two valve parts in contact with the medium.
  • Primary shaft sealing by preloaded contact between disc and liner hub.
  • Secondary shaft seal by oversizing the shaft diameter in relation to the shaft hole in the liner.
  • The liner and disc are molded and machined to close tolerances to provide:
    • low torque
    • less stress and deformation during opening and closing
  • Vacuum tests with helium with pressures less than 20 Pa absolute (0.2 mbarA).
  • Optional TFM lining available for extremely demanding applications.
  • Integral body locating holes to ensure perfect centering of the valve.
  • Actuator flange and stem dimensions acc. ISO 5211.

Specifiche

Material
Ductile Iron
Operating Temperature
Less Than 200 C
Pressure Class
PN
Seat/Seal Type
Lined
Valve Size Standard
DN
Valve Type
Butterfly
Operating Temperature
Less Than 200 C
Pressure Class
PN
Seat/Seal Type
Lined
Valve Size Standard
DN
Valve Type
Butterfly

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