Yamatake ACTIVAL VY51X2J, Specifications & Instructions

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AB-6465
1
ACTIVAL
TM
Motorized Two-Way Valve
with Flanged Connection
Model VY51X2J
(JIS 20K-FCD450)
General
ACTIVAL Model VY51X2J is a series of motorized
two-way valves with flanged connections. The valve
and actuator are integrated in a single unit.
The valve body can be used for the control of chilled/hot
water or hot water (in high temperature), and the body
rating corresponds to JIS 20K (JIS: Japanese Industrial
Standards).
The actuator has a reversible synchronous motor, which
operates at a low voltage of 24 V AC.
5 kinds of control signals are available to operate the
ACTIVAL. The built-in feedback potentiometer provides
proportional control in combination with a proportionally
controlled electronic controller. The nominal resistance
135
Ω
input provides proportional control in combination
with a proportional electric controller. 4-20 mA DC and
2-10 V DC inputs provide proportional control in combi-
nation with a direct digital controller (DDC).
Features
•
Compact and lightweight.
•
Valve and actuator integrated in a single unit.
•
A variety of control signals available:
- Nominal 135
Ω
feedback potentiometer
- Nominal 135
Ω
resistance input
- 4-20 mA DC input
- 2-10 V DC input
•
Valve with high differential pressure, large Cv values,
high rangeability and low leakage.
•
Durable design.
•
Low power consumption.
•
Equal percentage flow characteristics.
•
2-10 V DC output (for position feedback) available with
4-20 mA DC input type and 2-10 V DC input type.
Specifications/Instructions