Description
Documentation:
PTFE-Lined Wafer Butterfly Valve for Toxic Media
PTFE-lined wafer type valve for toxic and highly corrosive media.Specially designed for the chemical industries.
Technical data
Nominal diameter:
DN (40)50 – DN 300
Face-to-face:
EN 558 Series 20
Flange connection:
EN 1092 PN 10/16
ASME Class 150
ASME Class 150
Flange Surface Design:
EN 1092 Form A/B
ASME RF, FF
ASME RF, FF
Top flange:
EN ISO 5211
Marking:
EN 19
PAS 1085
PAS 1085
Tightness check:
EN 12266 (Leakage Rate A)
Temperature range:
–40 °C to + 200 °C (depending on operation pressure)
Max. Operating pressure:
max. 10 bar (16 bar for spec. version)
Vacuum:
up to 1 mbar absolute (with silicon elastomer insert) from -10°C to +160°C
