Distributor
Environmental & Combustion Controls
> Butterfly Valves > VFF2
VFF2GW1YDR
2-way, 2.5 inch resilient-seat flanged butterfly valve, 282 Cv at 90
(107 Cv at 60), 175 psid close-off, Pneumatic 80 psi bidirectional.
Electro-pneumatic positioner. Replaces Tyco VF5225FD6LN and
VF5225UD6LN
Locate Distributors
Product Specifications Literature and
Documents
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), 175 psid close-off, Pneumatic 80 psi
bidirectional. Electro-pneumatic positioner. Replaces Tyco VF5225FD6LN
and VF5225UD6LN
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 Pneumatic
Actuator Selection 4-20 mA Servo 80 psi bidirectional
Valve Action Normally Closed, convertible to Normally Open with Spring
Return DCA
Type of Enclosure Pneumatic
Includes Position indicator
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 176 F
Actuator Ambient Temperature Ratings (C) -40 C to 80 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) 638.1 lb
Weight (kg) 290 kg
Assembly Length (in.) 8-5/16 in.
Assembly Length (mm) 211 mm
Assembly Height (in.) 16-7/8 in.
Assembly Height (mm) 428 mm
Assembly Width (in.) 5-1/8 in.
Assembly Width (mm) 131 mm
Literature and other Resources Download
Back To Top
Product Data - (VFF1, VFF2, VFF3, VFF6 Resilient Seat Butterfly Valves
with Flanged Connections)
Download -Submit
Welcome
Category: SUPPLIER DIRECTORY => HONEYWELL, INC
February 2009
> Butterfly Valves > VFF2
Commercial Building Controls : Valves and Valve Actuators : Butterfly Valves : VFF2 : VFF2GW1YDR/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--Length: 8-5/16 in.; Height: 16-7/8 in.; Width: 5-1/8 in.; Neck: 6 in.; Radius; 2-9/16 in.
- Dimensions (mm)
- Assembly--Length: 211 mm; Height: 428 mm; Width: 131 mm; Neck: 152 mm; Radius; 65 mm
- Includes
- Position indicator
- Weight (lb)
- 638.1 lb
- Weight (kg)
- 290 kg
- Mounting
- ANSI Flanged
- Voltage
- 4-20 mA
- Shipping and Storage Temperature Range (F)
- -40 F to 250 F
- Shipping and Storage Temperature Range (C)
- -40 C to 121 C
- Enclosure
- Pneumatic
- Ambient Temperature Range (F)
- Actuator-- -40 F to 176 F
- Ambient Temperature Range (C)
- Actuator-- -40 C to 80 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
- Pneumatic, 4-20 mA Servo 80 psi bidirectional
- 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)
