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2-Way Ball Valve For Chilled Water Flow Control - Mitsubishi Electric t-NEXT DF DX 011 P1 S Manual

Air conditioners for it cooling with dual fluid system.to be matched with remote air-cooled condenser.
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t-NEXT DF DX
TECHNICAL DATA
VERSION (1)
MODEL
SIZE
COOLING CAPACITY (2)
Total
Sensible
SHR (3)
COOLING COIL
Water flow rate (2)
dP coil + valve (2)
Water volume
HYDRAULIC CONNECTIONS
WATER INLET / OUTLET ISO 7/1 - R
VERSION (1)
MODEL
SIZE
COOLING CAPACITY (2)
Total
Sensible
SHR (3)
COOLING COIL
Water flow rate (2)
dP coil + valve (2)
Water volume
HYDRAULIC CONNECTIONS
WATER INLET / OUTLET ISO 7/1 - R
THE COOLING CAPACITY DOES NOT CONSIDER THE SUPPLY FAN MOTOR THERMAL LOAD
1.
U = Under, downflow / O = Over, upflow
2.
Characteristics referred to entering air at 26°C-40%RH with chilled water temperature 7-12°C - 0% glycol
3.
SHR = Sensible cooling capacity / Total cooling capacity.

2-WAY BALL VALVE FOR CHILLED WATER FLOW CONTROL

T_tNEXTDFDX_0719_EN
U / O
039 P2 D
E5
kW
48,8
kW
48,8
1
m
3
/h
8,38
kPa
26,3
l
18,1
Ø
2"
U / O
082 P2 D
E7
kW
101
kW
95,3
0,94
m
/h
17,42
3
kPa
38,8
l
24,6
Ø
2+1/2"
The water flow control in the finned coil is acieved through a 2-way modulating ball valve with equal
percentage flow control ensured by the integrated characterizing disc.
This type of valve offers the following series of benefits:
Equal percentage flow control.
No peaks initial flow.
Excellent stability control thanks to the integrated characterizing disc.
Excellent characteristic in partialisation.
Stability in control.
Maintenance free.
Self-cleaning.
CHARACTERISTICS OF THE 2-WAY BALL VALVE
Closing seal with leakage rate in Class A (EN 12266-1)
Maximum fluid pressure Ps=1600kPa
Maximum closing pressure (Close-off) ∆Ps=1400kPa
The rotative actuator is controlled by a signal 0 ... 10VDC from the microprocessor controller. The
actuator is equipped with an emergency button for manual operation and is maintenance-free.
19
U / O
U / O
048 P2 D
055 P2 D
E5
E6
55,5
65,3
55,2
63,2
0,99
0,97
9,54
11,23
33,1
15,7
18,1
18,1
2"
2"
U / O
U / O
092 P2 D
102 P2 D
E8
E8
116
116
108
108
0,93
0,93
19,9
19,9
49,3
49,3
28,5
28,5
2+1/2"
2+1/2"
U / O
U / O
062 P2 D
075 P2 D
E6
E7
67,3
101
65,4
95,3
0,97
0,94
11,59
17,42
16,6
38,8
18,1
24,6
2"
2+1/2"
U
U
117 P4 D
146 P4 D
E9
E9
136
136
136
136
1
1
23,43
23,43
39,9
39,9
33,8
33,8
3"
3"
MEHITS S.p.A.
DATA BOOK

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