Yamatake ACTIVAL VY51XXJ Instructions Manual

General
ACTIVAL Model VY51XXJ is a series of motorized
two-way valves with flanged connections.
and actuator are integrated in a single unit.
The ACTIVAL is used to control chilled/hot water, hot
water (in high temperature) or steam, and the body rating
corresponds to JIS 10K (JIS: Japanese Industrial Stan-
dards).
The actuator has a reversible synchronous motor, which
operates at a low voltage of 24 V AC.
4 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 proportionally controlled electric controller.
4-20 mA DC and 2-10 V DC inputs provide proportional
control in combination 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 for water or steam with high differential pressure,
large Cv values, high rangeability and low leakage.
ACTIVAL
Motorized Two-Way Valve
with Flanged Connection
Model VY51XXJ
(JIS 10K-FC200, -SCS13A)
The valve
1
   
• 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.
AB-6464
Specifications/Instructions