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2-way 2.5 in flanged butterfly valve

VFF1GW1YES/M

VFF1 2-way 2.5 in flanged butterfly valve

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Overview

Resilient seat in two-way valves, provide control for HVAC system applications including chilled water, hot water, cooling tower water, and thermal storage systems.

Product Specifications

Dimensions (in.)
Assembly--Length: 6 in.; Height: 12-7/8 in.; Width: 5-1/8 in.; Neck: 6 in.; Radius; 2-9/16 in.
Dimensions (mm)
Assembly--Length: 152 mm; Height: 327 mm; Width: 131 mm; Neck: 152 mm; Radius; 65 mm
Includes
Position indicator
Weight (lb)
15.1 lb
Weight (kg)
6.9 kg
Mounting
ANSI Flanged
Approvals, Underwriters Laboratories Inc.
General Listed
Approvals, Canadian Standards Association
Certified
Voltage
120 Vac
Shipping and Storage Temperature Range (F)
-40 F to 250 F
Shipping and Storage Temperature Range (C)
-40 C to 121 C
Approvals, CE
Certified
Enclosure
Pneumatic
Ambient Temperature Range (F)
Actuator-- -13 F to 140 F
Ambient Temperature Range (C)
Actuator-- -25 C to 67 C
Connection Type
Lugged
Body Pattern
2 way (S/R NO)
Pipe Size (inch)
2-1/2 in.
Pipe Size (DN)
DN65
Maximum Differential Pressure Ratings (Close-off) (psi)
175 psi
Maximum Differential Pressure Ratings (Close-off) (kPa)
1206 kPa
Capacity (Cv)
at 60 degrees stroke--107 Cv; at 90 degrees stroke--282 Cv
Capacity (Kv)
at 60 degrees stroke--93 kvs; at 90 degrees stroke--244 kvs
Valve Action
Normally Open
Valve Type
Butterfly
Controlled Fluid
Chilled or hot water with up to 50% Glycol. Not for use with steam or fuels.
Materials (Body)
Polyester-coated cast iron ASTM A126 Class B
Materials (Seat)
Peroxide-cured EPDM resilient seat
Materials (Stem)
416 Stainless Steel
Flow Characteristic
Modified Equal Percent
Actuation
Pneumatic, 2-position, 120 Vac solenoid 80 psi spring return
Static Pressure Rating (psi)
250 psi Maximum
Static Pressure Rating (kPa)
1724 kPa Maximum
Flange Bolts
4, Flange Bolt Thread--5/8 in. -11 pitch
Materials (Plug/Ball/Disc)
Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)