AB-7352-U
4
Model Numbers
Model VY5198K00XXS-147/VY5198H00XXS-147 is the model for the valve and actuator integrated into a single unit.
The model number label is attached to the yoke. The 4 to 20 mA control signal is indicated on the actuator label and on the wiring
diagram.
Base
model
number
Actuator/valve Actuator Valve
Fixed
Description
Control
signal
Rating/
material
Type
Nominal
size/Cv
VY51
Motorized two-way valve with flanged-end connection
9
4 mA DC to 20 mA DC input with 4 mA DC to 20 mA DC feedback output
8
ANSI Class125 equivalent / Gray cast iron*
K
NEMA 4X and IEC IP54 protected and standard torque type spring return
actuator with terminal block
(Mountable valve sizes: 1
1
/
2
" to 3")
H
NEMA 4X and IEC IP54 protected and standard torque type spring return
actuator with terminal block
for high differential pressure application
(Mountable valve sizes: 2
1
/
2
” to 3")
00
41
1
1
/
2
” / 25 Cv
42
1
1
/
2
” / 40 Cv
51
2” / 65 Cv
61
2
1
/
2
” / 95 Cv
81
3” / 125 Cv
S-147 –
* This product was designed and manufactured conforming to the ISO (International Organization for Standardization, PN16 / GG-20).
Specifications
For weight, refer to the table shown in the section
Dimensions
.
Valve specifications
Item Specification
Model
Two-way valve with flanged-end connection, proportional control
Body pressure rating
ANSI Class125 equivalent (Max. working pressure: 230 psig)
End connection
ANSI Class125 Bolt pattern flanges, flat face flange (FF)
Size, Cv, Close-off ratings
Note:
Close-off ratings of the actuator in
combination are shown on the right.
Practical close-off rating required for the
valve controlling 374
F (175
C) steam is
116 psig.
Model number
Nominal size
Cv
Close-off ratings
Inch DN
Steam
Chilled/hot water
High-temp. water
VY5198K0041S-147 1
1
/
2
”
40
25
145 psig
145 psig
VY5198K0042S-147 1
1
/
2
”
40
40
145 psig
145 psig
VY5198K0051S-147
2”
50
65
145 psig
145 psig
VY5198K0061S-147 2
1
/
2
” 65 95 43.5
psig
VY5198K0081S-147 3” 80 125
14.5
psig
VY5198H0061S-147
2
1
/
2
”
65
95
145 psig
102 psig
VY5198H0081S-147
3”
80
125
102 psig
58 psig
Materials
Body
Gray cast iron
Plug, stem
Stainless steel
Seat ring
Heat-resistant PTFE
Gland packing
Inorganic fiber
Gasket
Non-asbestos joint sheet
Applicable fluid
Chilled/hot water, high-temperature water, steam
Allowable fluid temperature
32
F to 347
F (0
C to 175
C), non-freezing
Flow characteristic
Equal percentage
Rangeability
100 : 1
Seat leakage
0.01 % of rated Cv value
Paint
Gray
Class125
(ASTM A126 class B ASME 16.1-2010)
Max working pressure 230 psig at 32 to 347
F
Use the product within the hatched range.
