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The valve
which controls two
positions or the proportion
of cold/hot water,
steam and air. The
body and the seat
are manufactured in
bronze. The valve
stem stainless steel,
and valve plug. The
stuffing box prevents
leakage by using an
O-ring and Vition.
The feature curve
of the valve is equal
percentage or linear
type. The elevation
of stem by the actuator
close the valve.
A. Hot water : Max
130℃
B. Chilled water :
-25℃
Max. In closed circuit
Only water with following
additives.
C. Hydrazine, Phosphate,
for frost protection
D. Glycol, max. 50%,
for frost protection |
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| Model |
DN |
A |
B |
C |
L |
T |
S |
Weight
kg |
Actuator |
H |
| mm |
inch |
Rp |
| GEA-15S |
15 |
1/2" |
100 |
68 |
1/2 |
40 |
62 |
62 |
1.6 |
SGE10 |
340 |
| GEA-20S |
20 |
3/4" |
100 |
62 |
3/4 |
45 |
60 |
60 |
1.8 |
SGE10 |
350 |
| GEA-25S |
25 |
1" |
105 |
68 |
1 |
52 |
63 |
63 |
2.2 |
SGE10 |
355 |
| GEA-32S |
32 |
1-1/4" |
105 |
68 |
1-1/4 |
52 |
74 |
74 |
2.5 |
SGE10 |
355 |
| GEA-40S |
40 |
1-1/2" |
130 |
83 |
1-1/2 |
60 |
82 |
82 |
3.7 |
SGE10 |
360 |
| GEA-50S |
50 |
2" |
150 |
87 |
2 |
70 |
92 |
92 |
5 |
SGE10 |
370 |
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Sv : Rangeability (VDI
2173) .................. Kv : Cv / 1.167
 Pvmax in Kgf/㎠ = max, prem, pressure difference across
the valve at which the drive can still
safely
......................................open
and close the valve.
Psmax in Kgf/㎠ = max, prem, pressure difference across
the valve during malfunction at which
the
......................................drive
can close the valve. |
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