Honeywell VFF1 Catalog Page

Butterfly Control Valves

VFF1 Two-way Normally-Open Butterfly Control Valves

Resilient seat in two-way valves, provide control for HVAC system applications including chilled water, hot water, cooling tower water, and thermal storage systems.

Body Pattern: 2 way (S/R NO) Valve Action: Normally Open Connection Type: Lugged Controlled Medium: Chilled or hot water with up to 50% Glycol;

not for use with steam or fuels.

Actuator Control Type: Pneumatic Flow Characteristic: Modified Equal Percent Mounting: ANSI Flanged Static Pressure Rating (max): 250 psi (1724 kPa) Actuator Ambient Temperature Ratings: -20 F to 150 F (-29 C to 66

Temperature Range: -40 F to 250 F (-40 C to 121 C) Number of Flange Bolts

For 2 in., 2-1/2 in., 3 in. valves: 4 For 4 in., 5 in., 6 in., 8 in., valves: 8 For 10 in., 12 in., 14 in. valves: 12 For 16 in., 18 in. valves: 16 For 20 in. valves: 20 Flange Bolt Thread For 2 in., 2-1/2 in., 3 in., 4 in. valves:

For 5 in., 6 in., 8 in., valves: 3/4 in. -10 pitch For 10 in., 12 in. valves: 7/8 in. -9 pitch For 14 in., 16 in., 18 in., 20 in. valves: 1-1/8 in. -7 pitch

Materials (Body): Polyester-coated cast iron ASTM A126 Class B (Stem): 416 Stainless Steel (Seat): Peroxide-cured EPDM resilient seat (Plug/Ball/Disc): Nylon 11-coated ductile iron (optional: aluminum,

bronze, and stainless steel)

5/8 in. -11 pitch

534 customer.honeywell.com 70-6910

Butterfly Control Valves

Butterfly

Valves

Fitting

Body

Pattern

Size

Disk size

(close-off)

Pressure

Rating

Valve trim

Actuator

secondary

Specification

Actuator

primary

Specification

Description

Actuator Type

VF Butterfly Valve, resilient seat

F Flanged fitting

1 2-way (spring return normally open) 2 2-way (non-spring return: Spring return normally closed or field-convertible) 3 3-way A-B-AB (mixing/diverting) 6 3-way A-AB-B (diverting/mixing)

F 2 inch (DN50) G 2-1/2 inch (DN65) H 3 inch (DN80) J 4 inch (DN100) K 5 inch (DN125)

L 6 inch (DN150) M 8 inch (DN200) N 10 inch (DN250) P 12 inch (DN300) R 14 inch (DN350) S 16 inch (DN400)

T 18 inch (DN450) U 20 inch (DN500)

V Undercut disk (lower actuator torque; 50 psid close-off)

W Full diameter disk (high close-off)

1 ANSI 150 psig body pressure rating 2 ANSI 250 psig body pressure rating

Y Nylon-coated disk, EPDM seat

2 NEMA 2 actuator housing (Honeywell DCA)

Electric

6 NEMA 6 actuator housing with manual operator and heater X NEMA 4X actuator housing with manual operator and heater 8 Spring Range 8-13 psi for 20 psi pneumatic actuator

Pneumatic

C 24 Vac solenoid for 80 psi pneumatic actuator D Electro-pneumatic positioner for 80 psi actuator E 120 Vac solenoid for 80 psi pneumatic actuator P Pneumatic positioner for modulating applications X Standard, two-position control only L Lever operator for dead end service

Manual

Geared operator for dead end service

A Floating actuator

Electric

B Modulating actuator C Two-position 24 Vac spring return actuator D Modulating spring return actuator E Two-position 120 Vac spring return actuator P Pneumatic actuator, spring return 20 psi

Pneumatic

R Pneumatic actuator, push-pull 80 psi

Pneumatic actuator, spring return 80 psi

Valve body only, for dead end service

Man

VFF 2JV1Y2D

2-way, 4 inch flanged resilient-sear butterfly valve, undercut disk (50 psid close-off) modulating/floating control, spring return normally closed.

Commercial

Components

70-6910 535