8
172-65443A-01 (CV-COS) 17 Nov 2014
5.
Leave sufficient space for maintenan
n
and
repair. (Units: mm)
6.
re and system shutdown.) If the end
must be underwater, make sure the piping has a small hole, as shown in the
drawing below.
7.
hich will not retain condensate, are recommended for inlet and
ff valves. The bypass pipe should be at least 1/2 of the size of the inlet
8.
installation environment to make sure that the ambient temperature does
not exceed the actuator ambient temperature limit and that no corrosive gasses are
9.
,
extended use will result in a drop in its performance as an isolation valve. Be sure
is needed.
10.
f valve
It must be installed near the equipment it is to protect, on the outlet side of the
shut-off valve.
Maintenance Space
ce, inspectio
Trap Outlet Pipe
For ease of maintenance, installation of a union
connection is recommended for the trap outlet pipe.
Connect the outlet pipe to a condensate return line,
or extend it to a trench. In the case of the latter, make
sure the end of the pipe is above the waterline. (Dirt
and water may be sucked up by the vacuum formed
during trap closu
Approx.
300
400
400
100
0
0
1 0
0
1
0
0
1 0
0
1
0
1
1 0
1
1
100 mm
≈
4"
1
110 mm
≈
4
/
2
"
300 mm
≈
12"
400 mm
≈
16"
Small hole
15 mm
(
1
/
2
in)
Accessories
Always install a shut-off valve, pressure gauge and bypass lines at both inlet and
outlet. Ball valves, w
outlet shut-o
(primary side) pipe.
Installation Environment
Check the
present.
Shut-off Valve Installation
Though the CV-COS adequately performs the function of a shut-off valve initially
to install a separate shut-off or automatic valve if complete isolation
Safety Valve Installation
When installing a safety valve, be sure not to install it between the control valve
and the shut-of
