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VFF2LW1Y8P
2-way, 6 inch resilient-seat flanged butterfly valve, 1850 Cv at 90
(567 Cv at 60), 175 psid close-off, Pneumatic, 20 psi spring return,
spring range 8 to 13 N.C. Replaces Tyco VF5206FS2LC and VF5206US2LC
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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, 6 inch resilient-seat flanged butterfly valve, 1850
Cv at 90 (567 Cv at 60), 175 psid close-off, Pneumatic, 20 psi
spring return, spring range 8 to 13 N.C. Replaces Tyco VF5206FS2LC and
VF5206US2LC
Pipe Size (inch) 6 in.
Pipe Size (DN) DN150
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 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) 567 Cv
Capacity at 60 degrees stroke (kvs) 490 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.) 5-1/16 in.
Radius (mm) 129 mm
Neck (in.) 8 in.
Neck (mm) 203 mm
Thickness (in.) 2-1/8 in.
Thickness (mm) 54 mm
Number of Flange Bolts 8
Flange Bolt Thread 3/4 in. -10 pitch
Weight (lb) 38.3 lb
Weight (kg) 17.4 kg
Assembly Length (in.) 25-13/16 in.
Assembly Length (mm) 656 mm
Assembly Height (in.) 19-15/16 in.
Assembly Height (mm) 506 mm
Assembly Width (in.) 14 in.
Assembly Width (mm) 356 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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Category: SUPPLIER DIRECTORY => HONEYWELL, INC
February 2009
> Butterfly Valves > VFF2
Commercial Building Controls : Valves and Valve Actuators : Butterfly Valves : VFF2 : VFF2LW1Y8P/M
2-way, 6 inch resilient-seat flanged butterfly valve with 1850 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: 25-13/16 in.; Height: 19-15/16 in.; Width: 14 in.; Neck: 8 in.; Radius; 5-1/16 in.
- Dimensions (mm)
- Assembly--Length: 656 mm; Height: 506 mm; Width: 356 mm; Neck: 203 mm; Radius; 129 mm
- Weight (lb)
- 38.3 lb
- Weight (kg)
- 17.4 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)
- 6 in.
- Pipe Size (DN)
- DN150
- Maximum Differential Pressure Ratings (Close-off) (psi)
- 175 psi
- Maximum Differential Pressure Ratings (Close-off) (kPa)
- 1206 kPa
- Capacity (Cv)
- at 60 degrees stroke--567 Cv; Stroke limited to 70 degrees
- Capacity (Kv)
- at 60 degrees stroke--490 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
- 8, Flange Bolt Thread--3/4 in. -10 pitch
- Materials (Plug/Ball/Disc)
- Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)
