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1028/2 1/4'' ODS Connections Refrigeration HM3 Solenoid Valve
1028/2S: 1/4'' Direct Acting NC Refrigeration Solenoid Valve ODS Connection Without Coil.
1028/2A6: 1/4'' Direct Acting NC Refrigeration Solenoid Valve ODS Connection With 220/230 VAC(A6) Coil.
1028/2A7: 1/4'' Direct Acting NC Refrigeration Solenoid Valve ODS Connection With 240 VAC(A7) Coil.
HF2 HF3 HM2 HM3 HM4 CM2 Coil can be mounted on the valve.
Solenoid valves play an important role within refrigeration and air conditioning systems, controlling the flow of refrigerants. Though their base function – turning the refrigerant flow on and off – is quite simple, this function is key to ensuring system performance.
Understanding how solenoid valves work increases the likelihood that contractors will install, remove and reinstall valves correctly, ensuring optimum system performance and protection
Technical Data:
| Model | Connection | Dimension | Coil Type | |||
| SAE (Flare), ODF (Solder) | H1 | H2 | L1 | Q | HM2 HM3 | |
| 1020/2 | 1/4'' SAE | 75 | 62.5 | 58 | - | |
| 1020/3 | 3/8'' SAE | 65 | ||||
| 1028/2 | 1/4'' ODF | 32.5 | 125 | |||
| 1028/3 | 3/8'' ODF | 62.5 | 125 | |||
| 1064/3 | 3/8'' SAE | 82 | 69.5 | 68 | ||
| 1064/4 | 1/2'' SAE | 72 | ||||
| 1068/3 | 3/8'' ODF | 111 | ||||
| 1068/4 | 1/2'' ODF | 127 | ||||
| 1070/4 | 1/2'' ODF | 91 | 75.0 | 100 | 45 | |
| 1070/5 | 5/8'' ODF | 106 | ||||
| 1078/4 | 1/2'' ODF | 127 | ||||
| 1078/5 | 5/8'' ODF | 173 | ||||
| 1078/9 | 1 1/8'' ODF | 115 | 96.0 | 250 | 80 | |
| 1078/11 | 1 3/8'' ODF | 172 | 138.0 | 278 | 68 | |
| 1090/5 | 5/8'' SAE | 106 | 78.0 | 120 | 57 | |
| 1090/6 | 3/4'' SAE | 106 | 78.0 | 124 | 57 | |
| 1079/7 | 7/8'' ODF | 91 | 75.0 | 190 | 45 | |
| 1079/11 | 1 3/8'' ODF | 115 | 96.0 | 292 | 80 | |
| 1079/13 | 1 5/8'' ODF | 172 | 138.0 | 278 | 68 | |
| 1098/7 | 7/8'' ODF | 106 | 78.0 | 180 | 57 | |
| 1099/9 | 1 1/8'' ODF | 106 | 78.0 | 216 | 57 | |
| 1099/11 | 1 3/8'' ODF | 157 | 127.0 | 291 | 68 | |
Dimension:
Replacement Castel Type Solenoid Coil:
Installation:
All the valves in this chapter can be installed on the three main branches of a plant (hot gas line, liquid line, and suction line), while respecting the limits of use and the capacities, the following functional characteristics of a solenoid valve:
1. Connection dimensions
2. PS: maximum allowable pressure of the refrigerant
3. TS: maximum / minimum allowable temperature of the refrigerant
4. TA: maximum / minimum allowable ambient temperature
5. Kv: discharge factor
6. minOPD: minimum Opening Pressure Differential. This is the minimum pressure differential between inlet and outlet at which a pilot-operated solenoid valve can open and stay opened or close and maintain the seal.
7. MOPD: maximum opening pressure differential according to AHRI STANDARD 760:2014. This is the maximum pressure differential between inlet and outlet at which a solenoid valve can open.
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