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VFF2FW1Y2B
2-way, 2 inch resilient-seat flanged butterfly valve, 144 Cv at 90
(61 Cv at 60), 175 psid close-off, NSR Modulating control, NEMA 2
housing. Replaces Tyco VF5202UH2
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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 inch resilient-seat flanged butterfly valve, 144
Cv at 90 (61 Cv at 60), 175 psid close-off, NSR Modulating control,
NEMA 2 housing. Replaces Tyco VF5202UH2
Pipe Size (inch) 2 in.
Pipe Size (DN) DN50
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 Electric modulating
Actuator Selection Non-Spring Return Modulating control
Valve Action Normally Closed, convertible to Normally Open with Spring
Return DCA
Type of Enclosure NEMA 2 housing
Flow Characteristic Modified Equal Percent
Controlled Medium Chilled or hot water with up to 50% Glycol
Capacity at 60 degrees stroke (Cv) 61 Cv
Capacity at 60 degrees stroke (kvs) 53 kvs
Capacity at 90 degrees stroke (Cv) 144 Cv
Capacity at 90 degrees stroke (kvs) 125 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) -5 F to 140 F
Actuator Ambient Temperature Ratings (C) -20 C to 60 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.) 2-1/4 in.
Radius (mm) 58 mm
Neck (in.) 5-1/2 in.
Neck (mm) 140 mm
Thickness (in.) 1-5/8 in.
Thickness (mm) 41 mm
Number of Flange Bolts 4
Flange Bolt Thread 5/8 in. -11 pitch
Weight (lb) 10.7 lb
Weight (kg) 4.9 kg
Assembly Length (in.) 7-1/16 in.
Assembly Length (mm) 180 mm
Assembly Height (in.) 10-7/8 in.
Assembly Height (mm) 274 mm
Assembly Width (in.) 4-5/8 in.
Assembly Width (mm) 117 mm
Approvals, Underwriters Laboratories Inc C/US UL873, Plenum Rated
Approvals, CE Compliant
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 : VFF2FW1Y2B/M
2-way, 2 inch resilient-seat flanged butterfly valve with 144 Cv and 175 psid
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: 7-1/16 in.; Height: 10-7/8 in.; Width: 4-5/8 in.; Neck: 5-1/2 in.; Radius; 2-1/4 in.
- Dimensions (mm)
- Assembly--Length: 180 mm; Height: 274 mm; Width: 117 mm; Neck: 140 mm; Radius; 58 mm
- Weight (lb)
- 10.7 lb
- Weight (kg)
- 4.9 kg
- Mounting
- ANSI Flanged
- Approvals, Underwriters Laboratories Inc.
- C/US UL873, Plenum Rated
- Shipping and Storage Temperature Range (F)
- -40 F to 250 F
- Shipping and Storage Temperature Range (C)
- -40 C to 121 C
- Approvals, CE
- Compliant
- Enclosure
- NEMA 2 housing
- Ambient Temperature Range (F)
- Actuator-- -5 F to 140 F
- Ambient Temperature Range (C)
- Actuator-- -20 C to 60 C
- Connection Type
- Lugged
- Body Pattern
- 2 way (NC, NC/NO; NSR)
- Pipe Size (inch)
- 2 in.
- Pipe Size (DN)
- DN50
- Maximum Differential Pressure Ratings (Close-off) (psi)
- 175 psi
- Maximum Differential Pressure Ratings (Close-off) (kPa)
- 1206 kPa
- Capacity (Cv)
- at 60 degrees stroke--61 Cv; at 90 degrees stroke--144 Cv
- Capacity (Kv)
- at 60 degrees stroke--53 kvs; at 90 degrees stroke--125 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
- Electric modulating, Non-Spring Return Modulating control
- 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)
