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Control Valve Selection Criteria
3-Way
Unitary Globe
Fan Coil
Cartridge
Cage
Cartridge Globe Threaded Flanged
Attribute Specification
VU54 VCzM/N V58x3
V5863A3
V5013N... V5013B V5013C VGF3xLD VGF3xEM
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)
Pipe Fittings
Sweat • • •
NPT Internal Thread • • • • •
Inverted Flare • •
ANSI Flange • • • •
Static Pressure
ANSI 125/150 • • • • •
ANSI 250/300 • •
Other 300 psi 300 psi 230 psi 230 psi
Media
Chilled Water • • • • • • • • •
Hot Water • • • • • • • • •
Flow Capacity, Cv
Multiple ratings per pipe size • • • • •
One rating/size above 1/2" • • • • •
Valve Action
Mixing A-B-AB porting • • • • •
Mixing A-AB-B porting • •
Diverting AB-B-A porting • •
Diverting A-AB-B porting •
A-port Flow
Characteristic
Equal Percentage • • •
Modified Equal Percentage •
Linear • • • • •
Quick Open • •
B-port Flow
Characteristic
Modified Equal Percentage
Linear •
•
• • • •
Linear, Reduced Cv • •
Total Constant Flow • • • • • •
Quick Open •
Close-off
pressure***
High (60 psid minimum) • • •
Medium (30 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) 33 mL/m A = 0.5%
Rangeability
High (50:1 minimum)
N/A
• • • • • • •
Medium* (15~50:1) •
Low (under 15:1)
Trim
Brass, plated brass, bronze • • • •
Stainless Steel o • •
Resilient materials • • •
In-line
Serviceability
Cartridge • • •
Packing •
•
• • • •
Rebuild • • •
Actuation Options
Electronic Modulating • • • • • • • •
Tri-state floating • • • • • • • •
Pulse Width Modulation •
2-position low voltage • • o o • • • • •
2-position line voltage • •
•
• • • •
Electric Spring Return • • •
•
• • • •
Electronic Fail Safe •
Pneumatic, low pressure •
•
• • • •
Pnuematic bidirectional (Hi-Pr)
Pnuematic spring return (Hi-Pr)
Notes * Best used with supply water reset from outdoor air temperature.
** A port specification
*** A-port 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
"Limited" = not available in large sizes