F 012-A: Resilient Seated Valve

F 012-A Resilient Seated Valves The F 012-A is a double-flanged butterfly valve with a vulcanised liner, designed for heavy-duty applications such as shipbuilding and wastewater treatment plants.​

Technical Data

Nominal Diameter:
DN 50 – DN 1400
Face-to-Face Dimensions:
EN 558 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 / PN 21 / PN 35
AS 2129 Tab. E / Tab. F
JIS B 2220 10K flange connections (other sizes available upon request)
Flange Surface Design:
EN 1092 Form A/B
ASME RF, FF
Top Flange:
EN ISO 5211
Marking:
EN 19
Tightness Check:
EN 12266 (Leakage Rate A)
ISO 5208, Category 3
Working Standard:
EN 593
Temperature Range:
–40 °C to +200 °C (depending on pressure, medium, and material)
Maximum Operating Pressure:
max. 25 bar
Maximum Differential Pressure:
max. Δp 25 bar
Vacuum:
1 mbar absolute