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VALVE SELECTION
Globe Control Ball Butterfly
Pressure-Balanced Threaded Flanged Resilient Seat
Attribute Specification
V5862A3 VGF2xP VBN2 VBF2 VFF1 VFF2
Pipe Size
1/2"
[DN15]
•
3/4" [DN20] •
1"
[DN25]
• •
1 1/4" [DN32] • •
1 1/2" [DN40] • •
2" [DN50] • • •
2 1/2"
[DN65]
• • • •
3" [DN80] • • • •
4"
[DN100]
• • • •
5" [DN125] • • • •
6" [DN150] • • • •
Other (maximum size) 20" [DN500]
Pipe Fittings
Sweat
NPT Internal Thread • •
Inverted Flare
ANSI Flange • • • •
Static Pressure
ANSI 125/150 • •
ANSI 250/300
Other 230 psi 360 psi 250 psi
Media
Chilled Water • • • • • •
Hot Water • • • • • •
Low Pressure Steam •
High Pressure Steam •
Flow Capacity, Cv
Multiple ratings per pipe size • • •
One rating/size above 1/2" • • •
Valve Action
Direct Acting **** • •
Reverse Acting *****
Rotary N.O. o o • o
Rotary N.C. • • •
Flow Characteristic
Equal Percentage •
Modified Equal Percentage • • • •
Linear • •
Quick Open
Close-off
pressure***
High** (100 psid minimum) • • • • • •
Medium (40 psid minimum) • •
Varies with actuator
Maximum Seat
Leakage
ANSI Class III (0.10% Cv max.)
ANSI Class IV (0.01% Cv max.) • • • • • •
Bubble-tight design • •
Other (see product data literature)
Rangeability
High (50:1 minimum) • • • •
Medium* (15~50:1) o
Low (under 15:1) • •
Trim
Brass, plated brass, bronze •
Brass plug /Stainless seat
Stainless Steel • • • •
Resilient materials • •
In-line
Serviceability
Cartridge
Packing • • • •
Rebuild •
Actuation Options
Electronic Modulating • • • • • •
Tri-state floating • • • • • •
Pulse Width Modulation
2-position low voltage • • • Limited
2-position line voltage • o o • •
Electric Spring Return • • • • Limited
Electronic Fail Safe
Pneumatic, low pressure • Limited
Pnuematic bidirectional (Hi-Pr) • •
Pnuematic spring return (Hi-Pr) • •
Notes * Best used with supply water reset from outdoor air temperature.
** Can dead-head pumps. Use with VFD-controlled pumps with maximum pressure cut-out
*** Maximum operating differential pressure. Static close-off pressure may be higher. Maximum pressure for quiet service may be less.
**** Stem down to close
***** Stem up to close
Control Valve Selection Criteria
2-Way