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VFY-WA Automated Butterfly Valve
Brand: Danfoss
Features
- Spline driven one piece shaft connected to spherically machined disc allows high torque transmission i.e. quick response and minimum back-lash
- Long term reliability due to upper and lower anti-friction bearings
- Safe maintenance: shaft blow out protection with circlip
- Manual operation
- Position indicator
- Torque limiter
- Complete installation from factory - ready for installation
Specifications
Brand
Ambient Temperature Range
- -10° to 55° C (14° to 131° F)
Approvals & Certifications
- CE
- EAC
- EMC Directive 2004/108/EC: EN 61010-1
- LVD 2006/95/EC: EN 61000-3-2, EN 61000-3-3, EN 61000-6-4, EN 61000-6-2
- PED 97/23/CE, EN 12266-1
Connection Style
- Wafer (Centering Lugs)
Consumption
- Power Consumption: 15-250 W
Disc Material
- Ductile Iron EN GJS 400-15 (DIN GGG-40) with Polyamide Coating
- Stainless Steel
Duty Cycle
- S4 (50 %) - Duty Rating
Enclosure, Body Material
- Cast Iron EN GJL 250 (DIN GG-25)
- DN 350: Ductile Iron (DIN GGG-40)
Environmental Protection
- IP66
- IP68
Flow Rate
- 40 to 8,520 m³/hour
Input Signal
- 3-Point - Control Input
Materials of Construction
- EPDM - Liner
- Stainless Steel - Shaft, Disc, Circlip
- Zinc Coated Seel + PTFE - Upper Guide Bush, Lower Guide Bush
Media
- Chilled Glycolic Water up to 50 %
- Circulation Water
- Drinking Water
Nominal Pressure
- psi: 145 (bar 10, kPa 1,000)
- psi: 232.1 (bar: 16, kPa: 1,600)
O-Ring Material
- Nitrile
- Viton
Power Supply
- DN 25-250: 100-240 Vac
- DN 25-250: 100-350 Vdc
- DN 25-250: 12-48 Vdc
- DN 25-250: 15-30 Vac
- DN 300-350: 230 Vac
Process Temperature
- PA Disc: -10° to 120° C (14° to 248° F)
- Stainless Steel Disc: -10° to 130° C (14° to 266° F)
Rotation
- Rotation Angle: 90°
Supply Voltage
- Nominal Voltage: 230 V, 50/60 Hz
- Nominal Voltage: 24 Vac 50/60 Hz
Torque
- 177 to 5,310 In/Lbs (20 to 600 Nm)
Valve Size
- 1” to 14” (DN 25 to DN 350)
Valve Type
- Manual