PTFE LINED WAFER TYPE BUTTERFLY VALVE

Face-to-face: EN 558 Series 20 ISO 5752 Series 20API 609 Table 2

Flange accommodation: EN 1092 PN 10/16; ASME Class 150; AS 4087

Flange Surface Design: EN 1092, Form A/BASME 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)

Max. Differential pressure: max. p 10 bar (16 bar for spec. version)

Usage in vacuo: up to 1 mbar absolute (with silicon elastomer inserts) from -10°C to +160°C