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VBF2
The VBF2 Two-Way Ball Valve
Assemblies, with and without
actuators, control hot and chilled
water with glycol solutions up to
50% in heating, ventilating, and air
conditioning (HVAC) systems to
provide two-position or modulating
functions. These valve assemblies
can be ordered with or without
factory-mounted non-spring return
or spring return direct-coupled
actuators (DCA).
SPECIFICATIONS
Valve Type ............................................Control Ball Valve
Body Pattern ........................................Two-way
Flow Characteristic ..............................Equal percentage with laser-
milled port.
Connection Type ..................................ANSI 125/PN16 Flange
Controlled Medium ............................... Hot/Chilled Water with up to
50% Glycol
Leakage Rating ....................................ANSI Class IV
Maximum Safe Operating Pressure ..... 240 psi (1655 kPa)
Fluid Temperature Range ..................... -22 F to 250 F (-30 C to 121 C)
Materials
(Body) ..................................................Cast Iron
(Stem) ................................................... 316 stainless steel
(Seat) .................................................... Teflon®
(Plug/Ball/Disc) ....................................316 stainless steel
FEATURES
• Sizes from 4 to 6 in. with ANSI Class 125 flanged
connections.
• Equal percentage flow characteristics.
• Choice of four, factory-installed actuation control schemes:
Floating, Modulating (2-10 V), Spring Return 24V 2-Position,
Spring Return Modulating/Floating.
• Field configurable for normally open or normally closed fail-
safe position.
• Removable manual operating handle to control valve
• during installation or in an event of power failure.
• ANSI Class IV leakage specification (0.01% of C
v
).
• Optional NEMA 3R (IP54) rated enclosure for outdoor
applications.
• Option of four actuator mounting positions on the valve.
• Wide range of C
v
choices from 91 to 650.
• Valve ball and stem 316 stainless steel.
DIMENSIONS DIAGRAM
A
B
C
E
Size Model A B C D (depth) E Wt.
(in.) Number in. in. in. (not shown) in. lb
(mm) (mm) (mm) in. (mm) (mm) (kg)
4 VBF2J 11 9 13-1/4 9 18-3/4 65
(278) (229) (337) (229) (476) (31)
5 VBF2K 12-3/8 10 14-1/4 10 19 75
(352) (254) (362) (254) (483) (34)
6 VBF2L 13-7/8 11 15-1/8 11 19-7/8 90
(352) (278) (384) (278) (505) (41)
M13732
Control Ball Valve
VBF2