3-Way (A-AB-B), 20 Inch - Honeywell

The Honeywell VFF6UV1YCS/M is a 3-way valve designed for versatile fluid control in industrial applications. With a 20-inch size, this valve is engineered for high flow rates and efficient operation. Constructed from durable materials, it ensures reliability and longevity in demanding environments. The valve features multiple connection options, making it compatible with various systems. Its design allows for easy installation and maintenance, making it an essential component for optimizing fluid management in HVAC and process control systems.

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Environmental & Combustion Controls
> Butterfly Valves > VFF6

VFF6UV1YCS
3-way (A-AB-B), 20 inch resilient-seat flanged butterfly valve, 22339
Cv at 90 (7144 Cv at 60), 50 psid close-off, Pneumatic, 80 psi
spring return. 24Vac EP solenoid. Replaces Tyco VF5320US6L and
VF5302FS6L
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Product Specifications Literature and
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Overview
Resilient seat three-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 3-way (A-AB-B), 20 inch resilient-seat flanged butterfly
valve, 22339 Cv at 90 (7144 Cv at 60), 50 psid close-off, Pneumatic,
80 psi spring return. 24Vac EP solenoid. Replaces Tyco VF5320US6L and
VF5302FS6L
Pipe Size (inch) 20 in.
Pipe Size (DN) DN500
Body Pattern 3 way (A-AB-B)
Maximum Differential Pressure Ratings (Close-off) (psi) 50 psi
Maximum Differential Pressure Ratings (Close-off) (kPa) 345 kPa
Actuator Control Type Pneumatic
Actuator Selection 2-position, 24 Vac solenoid 80 psi spring return
Valve Action Normally Closed
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) -13 F to 140 F
Actuator Ambient Temperature Ratings (C) -25 C to 67 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) 1488.5 lb
Weight (kg) 676.6 kg
Assembly Length (in.) 50-5/16 in.
Assembly Length (mm) 1278 mm
Assembly Height (in.) 50-3/4 in.
Assembly Height (mm) 1289 mm
Assembly Width (in.) 32 in.
Assembly Width (mm) 813 mm
Approvals, CE Certified
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 > VFF6
Commercial Building Controls : Valves and Valve Actuators : Butterfly Valves : VFF6 : VFF6UV1YCS/M

3-way (A-AB-B) 20in flange butterfly valve

Overview

Resilient seat three-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: 50-5/16 in.; Height: 50-3/4 in.; Width: 32 in.; Neck: 17-1/4 in.; Radius; 14 in.

Dimensions (mm)

Assembly--Length: 1278 mm; Height: 1289 mm; Width: 813 mm; Neck: 438 mm; Radius; 356 mm

Includes

Position indicator

Weight (lb)

1488.5 lb

Weight (kg)

676.6 kg

Mounting

ANSI Flanged

Voltage

24 Vac

Shipping and Storage Temperature Range (F)

-40 F to 250 F

Shipping and Storage Temperature Range (C)

-40 C to 121 C

Approvals, CE

Certified

Enclosure

Pneumatic

Ambient Temperature Range (F)

Actuator-- -13 F to 140 F

Ambient Temperature Range (C)

Actuator-- -25 C to 67 C

Connection Type

Lugged

Body Pattern

3 way (A-AB-B porting)

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

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, 2-position, 24 Vac solenoid 80 psi spring return

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)

Category	Commercial Building Controls
Manufacturer	HONEYWELL
Product	Valves and Valve Actuators
Style	Valves and Valve Actuators

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