HONEYWELL 2-WAY, 20 INCH RESILIENT-SEAT Valve

The HONEYWELL VFF2UW1YPS/M is a 20-inch resilient-seat 2-way valve, engineered for optimal flow control in various fluid systems. This valve is constructed from durable materials, ensuring longevity and resistance to wear. Its resilient seat design provides a tight seal, minimizing leakage and enhancing efficiency. With a robust construction, it meets ANSI standards for pressure ratings, making it suitable for both commercial and industrial applications. The valve's size and design allow for easy installation and maintenance, making it a reliable choice for fluid management.

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Environmental & Combustion Controls
> Butterfly Valves > VFF2

VFF2UW1YPS
2-way, 20 inch resilient-seat flanged butterfly valve, 22339 Cv at 90
(7144 Cv at 60), 175 psid close-off, Pneumatic, 80 psi spring return
N.C. Positioner . Replaces Tyco VF5220FS6LC and VF5220US6LC
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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), 175 psid close-off, Pneumatic, 80
psi spring return N.C. Positioner . Replaces Tyco VF5220FS6LC and
VF5220US6LC
Pipe Size (inch) 20 in.
Pipe Size (DN) DN500
Body Pattern 2 way (NC, NC/NO; NSR)
Maximum Differential Pressure Ratings (Close-off) (psi) 150 psi
Maximum Differential Pressure Ratings (Close-off) (kPa) 1034 kPa
Actuator Control Type Pneumatic
Actuator Selection Modulating w/positioner, spring return
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
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 : VFF2UW1YPS/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)

150 psi

Maximum Differential Pressure Ratings (Close-off) (kPa)

1034 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, 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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