Description
Documentation:
Sealing System
The sealing system was developed for use with highly abrasive or very sensitive media.Available for all resilient seated butterfly valves with replaceable liner.
Technical data
Nominal diameter:
DN 80 – 400
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 6/10/16
ASME Class 150
AS 4087 PN 16
ASME Class 150
AS 4087 PN 16
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)
ISO 5208, Category 3
ISO 5208, Category 3
Temperature range:
-40 °C to + 200 °C (depending on pressure, medium and material)
Max. Operating pressure:
max. 1 bar
Higher pressures on request
Higher pressures on request
