AB-6209-U
© 2015–2016 Azbil Corporation All Rights Reserved.
1
Specifications/Instructions
ACTIVAL
Three-Way Ball Valve with Threaded-End Connection
General
ACTIVAL Model VY5303B is a three-way ball valve with
threaded-end connection (ASME B1.20.1). It proportionally
controls chilled/hot water for HVAC (heating, ventilation, and
air conditioning) applications.
Model VY5303B has bronze valve body, stainless-steel ball
and stem, and the components exposed to process fluid are
made of other corrosion resistant materials.
Cv value and size variation of Model VY5303B are best
suited to HVAC control.
It combines with the actuator Model MY53X0A. Regarding
the detailed information on the actuator, refer to
Specifications/Instructions of ACTIVAL Model MY53X0A.
Features
Compact and lightweight
Valve can be installed in a restricted space such as
inside of compact AHU*.
Bronze valve body applicable to 230 psig**
Easy assembly with Model MY53X0A actuator using no
tool, and no adjustment required
Linear flow characteristic
* AHU: Air handling unit
** This product was designed and manufactured conforming to
the ISO (International Organization for Standardization, PN16).
Model Numbers
Base model
number
Material
Size/
CV
Description
VY53
Three-way
valve
with
threaded-end connection
0
Bronze
3B00
Fixed
21
3/4” / 4 Cv
22
3/4” / 6.3 Cv
23
1” / 10 Cv
31
1
1
/
4
” / 16 Cv
41
1
1
/
2
” / 25 Cv
Dimensions and Maintenance Clearance
Model number
Dimension
DN
NPT
(in)
Unit L H E M
VY5303B0021
20
3/4
in 2.83
1.97
1.30
1.42
mm 72 50 33
36
VY5303B0022
20
3/4
in 2.83
1.97
1.30
1.42
mm 72 50 33
36
VY5303B0023
25
1
in 3.35
2.11
1.61
1.65
mm 85 53.5
41
42
VY5303B0031
32
1¼
in 3.88
2.70
1.97
1.97
mm 98.5 68.5
50
50
VY5303B0041
40
1½
in 4.27
2.83
2.20
2.05
mm 108.5 72 56
52
Figure 1. Dimensions and maintenance clearance
(MY53)
