
-1-
■
EPDT-318a
■
Caution
(1) Please confirm that the indications on the product correspond with the specifications of
the ordered product model before use.
* If they are different, do not use the product and contact us.
(2)
This product might be discontinued or improved without prior notice.
(3) In order to ensure successful and safe operation of our valves the entire operation
manual must have been read thoroughly and understood prior to installation and
commissioning, maintenance, otherwise, serious injury or equipment malfunction could
happen and control valve may be damaged. It is out of the guarantee repair or
replacement are not uncompensated by us.
This is the diaphragm type control valve that controls the pressure, flow rate, liquid surface
and temperature by using electrical/pneumatic positioner
.
1. Specifications
Model
CT-1
Size
15
~
100A
Application
Control
Steam, Air, Cold and hot water, Oil,
Non-dangerous fluid
Driving
force
Compressed air
Connection
JIS 10KRF
Temperature
-5
~
210
℃
(
Freeze is not available
)
Valve(Flow) characteristic
Equal percent
Range ability
30:1
Valve & valve seat
Metal seal type
Leakage rate
Cv×less than or 0.01%(ANSI Class
Ⅳ
)*1
Driving type
Pneumatic single acting diaphragm drive
Actuator action
Normal closed *2
Operation air pressure
0.1
~
0.3MPa
Ambient temperature
-20
~
70
℃
M
a
te
ria
l
Body
SCPH2 (A216 WCB)
Valve
Stainless steel
Valve seat
Stainless steel
Gasket
Stainless steel +
Graphite coating
Grand packing
PTFE
Diaphragm
EPDM
Accessory
EP-1type DC4
~
20mA electrical/pneumatic positioner
(
2wires
)
EP-1Stype DC4
~
20mA smart positioner
(
2wires
)
Air regulator
(
Pressure regulator
)
*1: As for the Cv value, please see “2. Nominal size selection” shows rated Cv
value.
*2: In case of no inlet signal, valve is closed because of spring load, and inlet signal
is increased, valve will be opened.
*3: Please apply air pressure between 0.4-1.0 MPa for air regulator.