AB-6675
9
Installation
Precautions for installation
WARNING
When handling or transporting any heavy product (more than 18 kg), carefully move the product with a hand truck or
the like, or with 2 or more people.
Careless lifting or accidental dropping of the product may result in injury or product damage.
CAUTION
Do not freeze this product.
Doing so may damage the valve body and cause leakage.
When piping this product, be sure there is no foreign matter in the pipes.
If foreign matter remains in the pipes, the product may break down.
Install, wire, and use this product under the conditions specified by this manual.
Failure to do so may cause fire or device failure.
Use full face gaskets for flat face flanges.
Failure to do so may damage the flanges or cause leakage outside of the valve.
Installation and wiring of the actuator must be performed by personnel qualified to do instrumentation and electrical
work.
Mistakes in installation or wiring may cause fire or electric shock.
ACTIVAL Model VY5460F is the valve and actuator integrated into a single unit. Do not combine the valve with any other
actuator, or do not combine the actuator with any other valve.
To remove foreign substances inside the pipes, install a strainer with 40 or more meshes on the inflow side of each valve. In
case that the strainers cannot be installed on the inflow side of each valve, install it on the pipe diverting sections (sections
diverting from main piping system to sub piping system).
To use the product as mixing valve, install the product so that the flow direction of process fluid agrees with the arrow
indicated on the valve body. As diverting valve, install the product so that the flow direction of process fluid disagrees with
the arrow.
Installation location
IMPORTANT:
The top and the terminal covers might be corroded by chemicals and organic solvent or their vapor. Do not
expose the ACTIVAL to such substances/vapor.
Although the ACTIVAL can be used in high humidity environments (max. 95 %RH), do not immerse the
actuator in water.
Although the ACTIVAL can be used outdoors, be sure not to expose the ACTIVAL to direct sunlight.
Install the ACTIVAL in a position allowing easy access for maintenance and inspection. Fig. 4 shows the minimum
clearance for maintenance and inspection. When installing the ACTIVAL in a ceiling space, provide an access hole within
the 50 cm radius of the ACTIVAL. And, place a drain pan under the valve.
Do not install the product nearby a steam coil or a hot-water (in high temperature) coil. High heat radiation may result in an
actuator malfunction.
Do not mount the ACTIVAL on a pipe where water hammer occurs, or where solid objects including slug may accumulate.
Identification between Ports A and B
Valve body without heat insulation wrapped:
Identify ports A and B with the letters ‘A’ and ‘B’ marked on the valve body.
Valve body with heat insulation wrapped:
Identify ports A and B with the raised bar shape on the valve bonnet.
Figure 6. Identification between Ports A and B
Bar shape
Facing the bar shape,
Left:
Port A
Right:
Port B
