MA
MD
MS
Application
Solenoid valves series M are used in general refrigeration and for original equipment to cut off/activate the refrigerant flow in a refrigerating plant.
The solenoid valves can be installed in the liquid line, hot gas line and suction line of a refrigerating unit.
Materials
Body |
brass, stainless steel |
Seal material |
PTFE |
Connection tubes |
solder: copper |
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flare: brass |
Coil |
copper, steel, Crastin |
Series M
SOLENOID VALVES
NORMALLY CLOSED
PRODUCT DATA
Features
•MA: direct operated, angle construction
•MD: direct operated, two way construction
•MS: pilot operated, two way construction
•Normally closed
•Hermetic construction
•Low pressure drop
•High performance
•Direct operated: no minimum pressure differential required to open the valve
•Pilot operated: minimum pressure differential of 0.05 bar required to open the valve
•Solder and flare connections
•Coils for AC and DC
•Refrigerants: all CFC, HCFC, HFC,
not for ammonia
Specification
Nominal capacity |
see tables on page 2 |
Maximum pressure PS |
35 bar(a) |
Maximum test pressure PF |
50 bar(a) |
Min. pressure differential |
MA, MD: 0 bar |
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MS: 0.05 bar |
Max. pressure differential |
MS: 2 bar |
Max. opening pressure |
AC-coil: MA, MD: 25 bar |
differential MOPD |
MS: 30 bar |
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DC-coil: MA, MD: 21bar |
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MS: 21 bar |
Max. medium temperature |
125 °C |
Min. medium temperature |
-45 °C |
Max. ambient temperature |
80 °C |
Min. ambient temperature |
-40 °C |
Number of operating cycles |
> 1,5 million |
Standard coil voltages |
AC: 230V, 110V, 24V |
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DC: 230V, 24V |
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further voltages on request |
Voltage tolerance |
AC: ±10% |
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DC: +10%, -5% |
Copyright © 2009 Honeywell GmbH • Subject to change without notice |
EN0H-1917GE23 R0709 |
SERIES M
Nominal Capacity QN (kW)
Type |
kv-value |
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Liquid |
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Hot gas |
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Suction gas |
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(m3/h) |
R134a |
R22 |
R407C |
R404A |
R134a |
R22 |
R407C |
R404A |
R134a |
R22 |
R407C |
R404A |
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R507A |
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R507A |
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R507A |
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Direct operated |
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MA 062 |
0.17 |
5.21 |
5.62 |
5.39 |
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3.87 |
1.14 |
1.47 |
1.45 |
1.29 |
- |
- |
- |
- |
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MD 062 |
0.17 |
5.21 |
5.62 |
5.39 |
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3.87 |
1.14 |
1.47 |
1.45 |
1.29 |
- |
- |
- |
- |
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MD 102 |
0.22 |
6.74 |
7.27 |
6.98 |
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5.01 |
1.48 |
1.90 |
1.88 |
1.67 |
- |
- |
- |
- |
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MD 103 |
0.23 |
7.05 |
7.61 |
7.29 |
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5.24 |
1.54 |
1.99 |
1.96 |
1.75 |
- |
- |
- |
- |
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Pilot operated |
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MS 103 |
0.9 |
27.6 |
29.8 |
28.5 |
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20.5 |
6.04 |
7.78 |
7.67 |
6.83 |
1.54 |
2.06 |
1.92 |
1.80 |
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MS 104 |
0.9 |
27.6 |
29.8 |
28.5 |
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20.5 |
6.04 |
7.78 |
7.67 |
6,83 |
1.54 |
2.06 |
1.92 |
1.80 |
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MS 124 |
1.6 |
49.0 |
52.9 |
50.7 |
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36.4 |
10.7 |
13.8 |
13.6 |
12.1 |
2.74 |
3.66 |
3.42 |
3.19 |
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MS 125 |
1.6 |
49.0 |
52.9 |
50.7 |
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36.4 |
10.7 |
13.8 |
13.6 |
12.1 |
2.74 |
3.66 |
3.42 |
3.19 |
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MS 165 |
2 |
61.3 |
66.1 |
63.4 |
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45.5 |
13.4 |
17.3 |
17.1 |
15.2 |
3.42 |
4.57 |
4.27 |
3.99 |
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MS 167 |
2 |
61.3 |
66.1 |
63.4 |
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45.5 |
13.4 |
17.3 |
17.1 |
15.2 |
3.42 |
4.57 |
4.27 |
3.99 |
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MS 227 |
4 |
123 |
132 |
127 |
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91.1 |
26.8 |
34.6 |
34.1 |
30.4 |
6.85 |
9.14 |
8.54 |
7.98 |
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The nominal capacity QN is based on the following conditions |
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Medium |
Evaporating |
Condensing |
Subcooling |
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Hot gas |
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Pressure loss |
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temperature |
temperature |
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temperature |
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across valve |
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t0 (°C) |
tc (°C) |
tc2u (K) |
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tH (°C) |
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p (bar) |
Liquid |
-10 |
25 |
1 |
- |
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0.4 |
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Hot gas |
-10 |
25 |
1 |
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25 °C |
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1 |
Suction gas |
-10 |
25 |
1 |
- |
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0.15 |
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Valve selection for other operating conditions see the following tables or consult the Honeywell software
EN0H-1917GE23 R0709 |
2 |
Honeywell GmbH • Subject to change without notice |
SERIES M
Valve size calculation for the liquid line
Refrigeration capacity Q0, multiplied with correcting factor fTF, multiplied with correcting factor f PF results in the required nominal capacity QN.
QN = Q0 x fTF x f PF
QN nominal capacity (according to table on page 2) Q0 refrigeration capacity
fTF correcting factor for evaporating and liquid temperature
f PF correcting factor for pressure loss across the valve
Correcting factor fTF for the change of capacity according to the operating temperatures
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tL* |
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Evaporating temperature t0 (°C) |
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R134a |
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R22 |
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R407C |
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R404A, R507A |
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(°C) |
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+10 |
±0 |
-10 |
-20 |
-30 |
-40 |
+10 |
±0 |
-10 |
-20 |
-30 |
-40 |
+10 |
±0 |
-10 |
-20 |
-30 |
+10 |
±0 |
-10 |
-20 |
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-30 |
-40 |
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0 |
- |
- |
0.80 |
0.83 |
0.85 |
0.88 |
- |
- |
0.82 |
0.83 |
0.85 |
0.88 |
- |
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- |
0.80 |
0.80 |
0.80 |
- |
- |
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0.73 |
0.76 |
0.79 |
0.83 |
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+5 |
- |
- |
0.83 |
0.86 |
0.89 |
0.93 |
- |
- |
0.85 |
0.87 |
0.89 |
0.91 |
- |
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0.80 |
0.80 |
0.80 |
0.90 |
- |
- |
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0.77 |
0.8 |
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0.84 |
0.88 |
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+10 |
- |
0.84 |
0.87 |
0.91 |
0.94 |
0.97 |
- |
0.86 |
0.88 |
0.90 |
0.92 |
0.95 |
- |
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0.80 |
0.90 |
0.90 |
0.90 |
- |
0.79 |
0.82 |
0.85 |
0.89 |
0.94 |
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+15 |
- |
0.88 |
0.91 |
0.94 |
0.98 |
1.02 |
- |
0.90 |
0.92 |
0.94 |
0.96 |
0.99 |
0.90 |
0.90 |
0.90 |
0.90 |
1.00 |
- |
0.84 |
0.87 |
0.91 |
0.95 |
1.00 |
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+20 |
0.89 |
0.92 |
0.95 |
0.99 |
1.03 |
1.08 |
0.92 |
0.94 |
0.96 |
0.98 |
1.00 |
1.03 |
0.90 |
0.90 |
0.90 |
1.00 |
1.00 |
0.86 |
0.89 |
0.93 |
0.97 |
1.02 |
1.08 |
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+25 |
0.94 |
0.96 |
1.00 |
1.05 |
1.09 |
1.14 |
0.96 |
0.98 |
1.00 |
1.03 |
1.05 |
1.09 |
0.90 |
1.00 |
1.00 |
1.00 |
1.10 |
0.92 |
0.96 |
1.05 |
1.05 |
1.11 |
1.18 |
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+30 |
0.99 |
1.02 |
1.06 |
1.12 |
1.16 |
1.22 |
1.01 |
1.02 |
1.05 |
1.08 |
1.10 |
1.14 |
1.00 |
1.00 |
1.00 |
1.10 |
1.20 |
0.99 |
1.03 |
1.08 |
1.14 |
1.21 |
1.29 |
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+35 |
1.04 |
1.08 |
1.12 |
1.18 |
1.24 |
1.30 |
1.05 |
1.07 |
1.10 |
1.13 |
1.16 |
1.20 |
1.10 |
1.10 |
1.10 |
1.20 |
1.20 |
1.08 |
1.13 |
1.19 |
1.26 |
1.34 |
1.44 |
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+40 |
1.10 |
1.14 |
1.19 |
1.26 |
1.32 |
1.39 |
1.10 |
1.12 |
1.15 |
1.19 |
1.22 |
1.26 |
1.10 |
1.20 |
1.20 |
1.30 |
1.30 |
1.18 |
1.24 |
1.32 |
1.40 |
1.50 |
1.63 |
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+45 |
1.18 |
1.22 |
1.28 |
1.35 |
1.42 |
1.50 |
1.17 |
1.19 |
1.22 |
1.26 |
1.29 |
1.34 |
1.20 |
1.30 |
1.30 |
1.40 |
1.40 |
1.32 |
1.39 |
1.48 |
1.59 |
1.72 |
1.88 |
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+50 |
1.25 |
1.24 |
1.37 |
1.45 |
1.53 |
1.62 |
1.23 |
1.26 |
1.29 |
1.33 |
1.37 |
1.42 |
1.30 |
1.40 |
1.40 |
1.50 |
1.60 |
1.50 |
1.59 |
1.7 |
1.85 |
2.02 |
2.23 |
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+55 |
1.35 |
1.41 |
1.48 |
1.58 |
1.67 |
1.78 |
1.30 |
1.33 |
1.37 |
1.42 |
1.46 |
1.52 |
1.40 |
1.50 |
1.60 |
1.70 |
1.80 |
1.74 |
1.87 |
2.02 |
2.22 |
2.47 |
2.79 |
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+60 |
1.46 |
1.55 |
1.61 |
1.73 |
1.84 |
1.97 |
1.38 |
1.41 |
1.46 |
1.51 |
1.56 |
1.63 |
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- |
- |
- |
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- |
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* Temperature of liquid refrigerant at valve inlet. |
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Correcting factor f |
PF for the change of capacity according to the chosen pressure loss across the valve |
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Pressure loss across valve |
p (bar) |
0.05 |
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0.10 |
0.15 |
0.20 |
0.25 |
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0.30 |
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0.35 |
0.40 |
0.45 |
0.50 |
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0.55 |
0.60 |
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0.65 |
0.70 |
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Correcting factor f PF |
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2.83 |
2.00 |
1.63 |
1.41 |
1.26 |
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1.15 |
1.07 |
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1.00 |
0.94 |
0.89 |
0.85 |
0.82 |
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0.78 |
0.76 |
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Honeywell GmbH • Subject to change without notice |
3 |
EN0H-1917GE23 R0709 |