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VFF2GW2YLX
2-way, 2.5 inch resilient-seat flanged butterfly valve, 282 Cv at 90
(107 Cv at 60), 250 psid close-off, For dead end service, less
actuator, Lever operator.
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Product Specifications Literature and
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Overview
Resilient seat two-way valves provide control for HVAC system
applications including chilled water, hot water, cooling tower water,
thermal storage systems, and steam.
Product Specifications Back To Top
Description 2-way, 2.5 inch resilient-seat flanged butterfly valve,
282 Cv at 90 (107 Cv at 60), 250 psid close-off, For dead end
service, less actuator, Lever operator.
Pipe Size (inch) 2-1/2 in.
Pipe Size (DN) DN65
Body Pattern 2 way (NC, NC/NO; NSR)
Maximum Differential Pressure Ratings (Close-off) (psi) 175 psi
Maximum Differential Pressure Ratings (Close-off) (kPa) 1206 kPa
Actuator Control Type Manual
Valve Action Normally Closed, convertible to Normally Open with Spring
Return DCA
Includes Lever operator
Flow Characteristic Modified Equal Percent
Controlled Medium Chilled or hot water with up to 50% Glycol
Capacity at 60 degrees stroke (Cv) 107 Cv
Capacity at 60 degrees stroke (kvs) 93 kvs
Capacity at 90 degrees stroke (Cv) 282 Cv
Capacity at 90 degrees stroke (kvs) 244 kvs
Connection Type Lugged
Mounting ANSI Flanged
Static Pressure Rating (max) (psi) 250 psi
Static Pressure Rating (max) (kPa) 1724 kPa
Actuator Ambient Temperature Ratings (F) -40 F to 250 F
Actuator Ambient Temperature Ratings (C) -40 C to 121 C
Temperature Range (F) -40 F to 250 F
Temperature Range (C) -40 C to 121 C
Materials (Body) Polyester-coated cast iron ASTM A126 Class B
Materials (Seat) Peroxide-cured EPDM resilient seat
Materials (Stem) 416 stainless steel
Materials (Plug/Ball/Disc) Nylon 11-coated ductile iron
Radius (in.) 2-9/16 in.
Radius (mm) 65 mm
Neck (in.) 6 in.
Neck (mm) 152 mm
Thickness (in.) 1-3/4 in.
Thickness (mm) 44 mm
Number of Flange Bolts 4
Flange Bolt Thread 5/8 in. -11 pitch
Weight (lb) 11 lb
Weight (kg) 5 kg
Assembly Height (in.) 9-9/16 in.
Assembly Height (mm) 243 mm
Assembly Width (in.) 13-1/8 in.
Assembly Width (mm) 335 mm
Comments NOTE: These products use over-cut disks to achieve 250 psid
close-off, and cannot be automated due to their high torque
Literature and other Resources Download
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Product Data - (VFF1, VFF2, VFF3, VFF6 Resilient Seat Butterfly Valves
with Flanged Connections)
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Welcome
Category: SUPPLIER DIRECTORY => HONEYWELL, INC
February 2009
> Butterfly Valves > VFF2
Commercial Building Controls : Valves and Valve Actuators : Butterfly Valves : VFF2 : VFF2GW2YLX/M
2-way 2.5 in flanged butterfly valve
Overview
Resilient seat 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--Height: 9-9/16 in.; Width: 13-1/8 in.; Neck: 6 in.; Radius; 2-9/16 in.
- Dimensions (mm)
- Assembly--Height: 243 mm; Width: 335 mm; Neck: 152 mm; Radius; 65 mm
- Includes
- Lever operator
- Weight (lb)
- 11 lb
- Weight (kg)
- 5 kg
- Comments
- NOTE: These products use over-cut disks to achieve 250 psid close-off, and cannot be automated due to their high torque
- Mounting
- ANSI Flanged
- Shipping and Storage Temperature Range (F)
- -40 F to 250 F
- Shipping and Storage Temperature Range (C)
- -40 C to 121 C
- Ambient Temperature Range (F)
- Actuator-- -40 F to 250 F
- Ambient Temperature Range (C)
- Actuator-- -40 C to 121 C
- Connection Type
- Lugged
- Body Pattern
- 2 way (NC, NC/NO; NSR)
- 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 Closed, convertible to Normally Open with Spring Return DCA
- 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
- Manual
- 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)
