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Butterfly Valves

VFF2 Resilient Seated 2-Way Butterfly Valve

VFF2 resilient seated 2-way butterfly valves provide control for HVAC systems, including chilled water, hot water, cooling tower water, and thermal storage systems.

VFF2 2-way resilient seated, flanged butterfly valves provide compact, 2-position, and modulating control of hot water and chilled water-glycol solutions in HVAC systems. Valve sizes range from 2 to 20 inches. Valves with full-cut disks provide up to 175 psi close-off. These valve assemblies are shipped with factory-mounted electric or pneumatic actuators with a variety of control signal inputs. They are also available as non-actuated models with either lever or gear manual operators for use as shut-off and balancing valves. Spring return actuators are available in normally closed 2-way configurations.

Features & Benefits:
  • Bi-directional flow
  • Modified equal percentages flow characteristic
  • Extended neck for 2 inches of pipe insulation
  • Nylon 11-coated, cast iron disks for corrosion resistance, reduced friction, and use of lower-torque actuators with larger valve body sizes
  • Cast iron valve body polyester-coated for weather, chemical, ultraviolet, abrasion, and impact protection
  • Stainless steel valve stem with close-tolerance internal double-D disk connection with no points for corrosion access
  • Peroxide-cured EPDM resilient valve seat doubles as flange gasket
  • Bubble-tight seat leakage at rated close-off
  • Anti-condensate heaters standard with NEMA 4X and NEMA 4 actuators
  • Declutchable override handwheel standard with NEMA 4X actuators, non-declutchable override handwheel standard with NEMA 4 actuators

Others

  • Media Temperature Range
    • -40 - 250 degree Fahrenheit
    • -40 - 121 degree Celsius
  • Torque For Maximum Delta P
    • 64 Nm
    • 564 lb-in
  • Kvs Value
    • 1600 @ 90° Stroke kilovolt per second
    • 490 @ 60° Stroke kilovolt per second
  • Brand
    • Honeywell BMS EMEA
  • Application
    • HVAC

Others

  • Media Temperature Range
    • -40 - 250 degree Fahrenheit
    • -40 - 121 degree Celsius
  • Torque For Maximum Delta P
    • 64 Nm
    • 564 lb-in
  • Kvs Value
    • 1600 @ 90° Stroke kilovolt per second
    • 490 @ 60° Stroke kilovolt per second
  • Brand
    • Honeywell BMS EMEA
  • Application
    • HVAC
  • Kvs Value : 1600 @ 90° Stroke kilovolt per second|490 @ 60° Stroke kilovolt per second
  • Brand : Honeywell BMS EMEA
  • Application : HVAC
  • Media Temperature Range : -40 - 250 degree Fahrenheit|-40 - 121 degree Celsius
  • Torque For Maximum Delta P : 64 Nm|564 lb-in
Reference Guides
Name
Description
File Size
Date
Size
Resilient Seat Butterfly Valves
application/pdf 1.1 MB
2/17/2022
1.1 MB
Butterfly Valves Quick Selection Guide (Spanish)
application/pdf 926.59 KB
2/17/2022
926.59 KB
Brochure
Name
Description
File Size
Date
Size
Chilled Water Controls
application/pdf 238.75 KB
2/17/2022
238.75 KB
Data Sheet
Name
Description
File Size
Date
Size
Product Data
application/pdf 1.63 MB
2/17/2022
1.63 MB
Others
Name
Description
File Size
Date
Size
Controles para agua fria (Chilled Water Controls Spanish)
application/pdf 717.87 KB
8/19/2021
717.87 KB
Name
Description
File Size
Date
Size
Resilient Seat Butterfly Valves
1.1 MB
2/17/2022
1.1 MB
Chilled Water Controls
238.75 KB
2/17/2022
238.75 KB
Butterfly Valves Quick Selection Guide (Spanish)
926.59 KB
2/17/2022
926.59 KB
Product Data
1.63 MB
2/17/2022
1.63 MB
Controles para agua fria (Chilled Water Controls Spanish)
717.87 KB
8/19/2021
717.87 KB
Image
SKU
Description
alt
VFF2LW1YXA/M
Butterfly Valve, 2-Way, Resilient Seat, Flanged, 6in, NEMA 4X, Floating
alt
VFF2LW1Y2A/M
Butterfly Valve, 2-Way, Resilient Seat, Flanged, 6in, Standard, Floating
alt
VFF2LW1Y2B/M
Butterfly Valve, 2-Way, Resilient Seat, Flanged, 6in, Modulating