Description
Documentation:
PTFE-Lined Butterfly Valve for the Chemical Industry
Double flanged PTFE-lined butterfly valve for Shut-off and Control Services in the chemical industry.
Technical data
Nominal diameter:
DN 350 – DN 900
Face-to-face:
EN 558 Series 20
ISO 5752 Series 20
API 609 Table 1
ISO 5752 Series 20
API 609 Table 1
Flange accommodation:
EN 1092 PN 10/16
ASME Class 150
ASME B16.47, Serie A, Serie B
AS 4087
ASME Class 150
ASME B16.47, Serie A, Serie B
AS 4087
Flange Surface Design:
EN 1092 Form A/B
ASME RF, FF
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 operation pressure)
Max. Operating pressure:
max. 6 bar (10 bar for spec. version)
Vacuum:
DN 350 – DN 600 max. 200mbar absolutDN 700 – DN 900 max. 500mbar absolut(with silicon elastomer inserts)
