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Environmental & Combustion Controls
> Butterfly Valves > VFF2
VFF2UV1YPR
2-way, 20 inch resilient-seat flanged butterfly valve, 22339 Cv at 90
(7144 Cv at 60), 50 psid close-off, Pneumatic 80 psi bidirectional.
Positioner . Replaces Tyco VF5220UD6LN and VF5202FD6LN
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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, 20 inch resilient-seat flanged butterfly valve,
22339 Cv at 90 (7144 Cv at 60), 50 psid close-off, Pneumatic 80 psi
bidirectional. Positioner . Replaces Tyco VF5220UD6LN and VF5202FD6LN
Pipe Size (inch) 20 in.
Pipe Size (DN) DN500
Body Pattern 2 way (NC, NC/NO; NSR)
Maximum Differential Pressure Ratings (Close-off) (psi) 50 psi
Maximum Differential Pressure Ratings (Close-off) (kPa) 345 kPa
Actuator Control Type Pneumatic
Actuator Selection Modulating w/positioner, 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) 7144 Cv
Capacity at 60 degrees stroke (kvs) 6180 kvs
Capacity at 90 degrees stroke (Cv) 22339 Cv
Capacity at 90 degrees stroke (kvs) 19323 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.) 14 in.
Radius (mm) 356 mm
Neck (in.) 17-1/4 in.
Neck (mm) 438 mm
Thickness (in.) 5 in.
Thickness (mm) 127 mm
Number of Flange Bolts 20
Flange Bolt Thread 1-1/8 in. -7 pitch
Weight (lb) 737 lb
Weight (kg) 335 kg
Assembly Length (in.) 19-1/2 in.
Assembly Length (mm) 494 mm
Assembly Height (in.) 50-3/4 in.
Assembly Height (mm) 1288 mm
Assembly Width (in.) 28 in.
Assembly Width (mm) 711 mm
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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 : VFF2UV1YPR/M
2-way 20 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: 19-1/2 in.; Height: 50-3/4 in.; Width: 28 in.; Neck: 17-1/4 in.; Radius; 14 in.
- Dimensions (mm)
- Assembly--Length: 494 mm; Height: 1288 mm; Width: 711 mm; Neck: 438 mm; Radius; 356 mm
- Includes
- Position indicator
- Weight (lb)
- 737 lb
- Weight (kg)
- 335 kg
- 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
- 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)
- 20 in.
- Pipe Size (DN)
- DN500
- Maximum Differential Pressure Ratings (Close-off) (psi)
- 50 psi
- Maximum Differential Pressure Ratings (Close-off) (kPa)
- 345 kPa
- Capacity (Cv)
- at 60 degrees stroke--7144 Cv; at 90 degrees stroke--22339 Cv
- Capacity (Kv)
- at 60 degrees stroke--6180 kvs; at 90 degrees stroke--19323 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, Modulating w/positioner, bidirectional
- Static Pressure Rating (psi)
- 250 psi Maximum
- Static Pressure Rating (kPa)
- 1724 kPa Maximum
- Flange Bolts
- 20, Flange Bolt Thread--1-1/8 in. -7 pitch
- Materials (Plug/Ball/Disc)
- Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)
