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Caution
(1) Do not disassemble the valve unreasonably
*Disassembling the valve at your discretion may affect the original performance
(2) Remove foreign matter and scales from the lines before connecting the valve.
(3) Install the stop valve before and after the control valve
(4) To ensure the connect properly without any leakage.
*If the connecting way is improper, leakage may be happened by vibration. And in
case of high temperature, it may result in personal injury.
*When using the seal tape for piping, be aware not to enter it inside valve. In case of
the seal tape for piping enter the valve, it may result in malfunction or device
damage.
(5) To install the product, check the direction of the product so that the fluid flowing and the
arrow marked on the product are in the same direction.
(Install the valve perpendicularly to horizontal lines).
Please see the fig 5.
*Improper installation causes the malfunction.
(6) Do not apply excessive load, torque or vibration to the valve
(7) Do not get out the seal or polyethylene cover from the positioner or regulator until the
pneumatic piping or construction of the electrical signal wiring is started.
(8) The area to be frozen, please have the step to prevent from freezing.
*If the fluid is frozen, it may result in malfunction.
*In order to have easy maintenance, be sure to have enough space for inspection.
Please see the fig.5.
Ground
*Ambient temperature of the location where installing the valve should be between
-20～70℃. In addition, please use the shielding plate or insulation in case the valve
is affected by direct sunlight or radiant heat.
Please keep enough space
for inspection.
Fig.5
-9-
(mm)
Size
A
B
15A
20A
150
350
25A
32A
40A
160
360
50A
65A
80A
190
380
100A
■ EPDT-318a ■
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