Description
Documentation:
High Performance Double Flanged Butterfly Valve
Double-flanged butterfly valve in double-eccentric construction. Reliable sealing even with extreme temperature and pressure conditions.
Technical data
Nominal diameter:
DN 80 – DN 600
Face-to-face:
EN 558 Reihe 13
Others upon request
Others upon request
Flange accommodation:
EN 1092 PN 10/16/25/40
ASME Class 150
ASME Class 300
AS 4087 PN 16/21
ASME Class 150
ASME Class 300
AS 4087 PN 16/21
Flange Surface Design:
EN 1092 Form A/B
ASME RF, FF
ASME RF, FF
Marking:
EN 19
Leak testing for R-PTFE Seat:
EN 12266 (Leakage Rate A)
Leak testing for Inconel Seat:
EN 12266 (Leakage Rate B)
ISO 5208, Category 3
ISO 5208, Category 3
Temperature range:
-60°C to+600°C (higher temperatures on request)
Max. Operating pressure:
≤ DN 150, 40 bar
> DN 150, 25 bar
> DN 150, 25 bar
Vacuum:
up to 1 mbar absolut
