PTFE-lined shut-off and control valves are designed for use in chemically aggressive leaches and acids. The minimum 3 mm thick lining comprising virgin PTFE ensures optimal permeation protection. In conjunction with the double shaft seal, this series offers maximum operational safety, even with corrosive and toxic media.

Taps - adjustable controls
  • Valve
  • ptfe
  • chemical

Product features

Nominal diameter: DN (40)50 - DN 300
Face-to-face: EN 558 series 20, ISO 5752 series 20, API 609 table 2
Flange accommodation: EN 1092 PN 10/16, ASME class 150, AS 4087
Flange surface design: EN 1092 form A/B, ASME RF, FF
Top flange: EN ISO 5211
Marking: EN 19
Tightness check: EN 12266 (leakage rate A)
Working standard: EN 593
Temperature range: 40 °C to + 200 °C (depending on pressure, medium and material)
Max. operating pressure: max. 10 bar (16 bar for spec. version)
Vacuum: up to 1 mbar absolute (with silicone elastomer inserts) from -10°C to +160°C

Additional product literature

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