Description
Documentation:
Double Flanged Resilient Seated Butterfly Valve
A double flanged valve with vulcanised liner suited for haevy duty services such as shipbuilding and wastewater plants.
Nominal diameter:
DN 50 – DN 1400
Face-to-face:
EN 558 Series 13
ISO 5752 Series 13
ISO 5752 Series 13
Flange accommodation:
EN 1092 PN 6/10/16/25
ASME B16.5 / B16.47
ASME Class 150 (PS max=19 bar)
ASME Class 300 (PS max=25 bar)
AS/NZS 4087 PN 16 / PN21 / PN35
AS 2129 Tab.E / Tab.F
JIS B 2220 10K
flange connections
Nominal sizes available. Others on request
ASME B16.5 / B16.47
ASME Class 150 (PS max=19 bar)
ASME Class 300 (PS max=25 bar)
AS/NZS 4087 PN 16 / PN21 / PN35
AS 2129 Tab.E / Tab.F
JIS B 2220 10K
flange connections
Nominal sizes available. Others on request
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
Working standard:
EN 593
Temperature range:
–40 °C to + 200 °C (depending on pressure, medium and material)
Max. Operating pressure:
max. 25 bar
Max. Differential pressure:
max. Δp 25 bar
Vacuum:
1 mbar absolute
