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> Butterfly Valves > VFF2
VFF2NV1Y8P
2-way, 10 inch resilient-seat flanged butterfly valve, 5430 Cv at 90
(1710 Cv at 60), 50 psid close-off, Pneumatic, 20 psi spring return,
spring range 8 to 13 N.C. Replaces Tyco VF5210US2LC and VF5212FS2LC
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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, 10 inch resilient-seat flanged butterfly valve,
5430 Cv at 90 (1710 Cv at 60), 50 psid close-off, Pneumatic, 20 psi
spring return, spring range 8 to 13 N.C. Replaces Tyco VF5210US2LC and
VF5212FS2LC
Pipe Size (inch) 10 in.
Pipe Size (DN) DN250
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 20 psi spring return
Valve Action Normally Closed, convertible to Normally Open with Spring
Return DCA
Type of Enclosure Pneumatic
Flow Characteristic Modified Equal Percent
Controlled Medium Chilled or hot water with up to 50% Glycol
Capacity at 60 degrees stroke (Cv) 1710 Cv
Capacity at 60 degrees stroke (kvs) 1479 kvs
Capacity at 90 degrees stroke (Cv) Stroke limited to 70 degrees
Capacity at 90 degrees stroke (kvs) Stroke limited to 70 degrees
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) -20 F to 150 F
Actuator Ambient Temperature Ratings (C) -29 C to 66 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.) 7-11/16 in.
Radius (mm) 195 mm
Neck (in.) 10-3/4 in.
Neck (mm) 273 mm
Thickness (in.) 2-1/2 in.
Thickness (mm) 64 mm
Number of Flange Bolts 12
Flange Bolt Thread 7/8 in. -9 pitch
Weight (lb) 81.3 lb
Weight (kg) 37 kg
Assembly Length (in.) 45-1/2 in.
Assembly Length (mm) 1156 mm
Assembly Height (in.) 25-5/16 in.
Assembly Height (mm) 643 mm
Assembly Width (in.) 16-5/8 in.
Assembly Width (mm) 422 mm
Comments Linear actuator, stroke limited to 70 degrees
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 : VFF2NV1Y8P/M
2-way 10 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: 45-1/2 in.; Height: 25-5/16 in.; Width: 16-5/8 in.; Neck: 10-3/4 in.; Radius; 7-11/16 in.
- Dimensions (mm)
- Assembly--Length: 1156 mm; Height: 643 mm; Width: 422 mm; Neck: 273 mm; Radius; 195 mm
- Weight (lb)
- 81.3 lb
- Weight (kg)
- 37 kg
- Comments
- Linear actuator, stroke limited to 70 degrees
- 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-- -20 F to 150 F
- Ambient Temperature Range (C)
- Actuator-- -29 C to 66 C
- Connection Type
- Lugged
- Body Pattern
- 2 way (NC, NC/NO; NSR)
- Pipe Size (inch)
- 10 in.
- Pipe Size (DN)
- DN250
- Maximum Differential Pressure Ratings (Close-off) (psi)
- 50 psi
- Maximum Differential Pressure Ratings (Close-off) (kPa)
- 345 kPa
- Capacity (Cv)
- at 60 degrees stroke--1710 Cv; Stroke limited to 70 degrees
- Capacity (Kv)
- at 60 degrees stroke--1479 kvs; Stroke limited to 70 degrees
- 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, 20 psi spring return
- Static Pressure Rating (psi)
- 250 psi Maximum
- Static Pressure Rating (kPa)
- 1724 kPa Maximum
- Flange Bolts
- 12, Flange Bolt Thread--7/8 in. -9 pitch
- Materials (Plug/Ball/Disc)
- Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)
