Product Overview
Table Of Contents
Description 1
Models 1
Features 1
Specifications 2
Accessories/Repair Parts 2
Applications 2
Dimensions 4
Specifications and design subject to change without notice.
Description
These three-way, diverting, globe zone valves
are available in 1/2" through 1" line sizes. They
are designed to regulate hot or chilled water in
VAV terminal unit reheat coils, fan coil units, and
induction units. For limited pressures, the valves can
also be used in mixing applications. The compact
size allows easy installation in small enclosures.
The actuator determines the fail position. Actuators
have position indication and manual override.
Replacement actuators can be installed on the valve
bodies without tools.
VEZ-44 Series
3-Way, NPT, Zone Control Valves (
1
⁄2 to 1")
Use this chart to select the desired model of valve:
Models
Actuator
A: 10–0 VDC (0 V = AB-A) Proportional (MEP-3516)
B: 0–10 VDC (0 V = AB-B) Proportional (MEP-3511)
F: Tri-State, 24 VAC, Floating (MEP-3510)
M: Fail AB-A, 2-position, 24 VAC, (MEP-3503)
N: Fail AB-B, 2-position, 24 VAC, (MEP-3501)
P: Fail AB-A, 2-position, 120 VAC, (MEP-3504)
Q: Fail AB-B, 2-position, 120 VAC, (MEP-3502)
(NOTE: 2-position actuators are spring return fail-
safe, and others are fail-in-place)
Size/Cv
02A: 1/2"; 1.0 Cv
02B: 1/2"; 2.5 Cv
02C: 1/2"; 4.0 Cv
03A: 3/4"; 4.1 Cv
04A: 1"; 7.0 Cv
VEZ-44 YYY MB Z
With Tri-State
or Proportional
Actuator
With 2-Position
Fail-Safe Actuator
Features
◆ Choice of tri-state/oating or proportional fail-in-
place or two-position (NO or NC) spring-return
fail-safe
◆ Compact size
◆ Spring-return actuators feature easy manual
override, visual position indication, UL listing
for plenum installations, and heat-resistant lead
wires
◆ Non-fail-safe actuators feature manual override
(with 3 mm hex wrench), visual position indica-
tion, and are CE compliant and UL listed
CAUTION
Using mineral oil lubricants or other incompatible
substances in system fluids may damage EPDM rubber
seals in valves. Before using any lubricant or additive in
a water or ethylene glycol base, consult the substance
manufacturer for compatibility with EPDM (Ethylene
Propylene Diene Monomer).