Castel Type 1/2'' SAE Brass MSV Series Liquid Line Solenoid Valve 1070/4
Castel type solenoid valve is consist of Brass body, Stainless Steel plunger armature, coil and other parts.
The valve series 1034 ; 1038 ; 1040 ; 1048 ; 1049 ; 1050 ; 1058 ; 1059 ; 1078 (/11 , /13 , /M42) ; 1079 (/13 , /M42 , /17) ; 1098/9 ; 1099/11 are piston pilot-operated valves. Their operation depends not only on the magnetic field produced by the current flow into the coil, but also on a minimum inlet pressure, which is necessary to:
• open the piston and keep it lifted off the main opening
• close the piston and ensure the tightness on the main opening
Opening/closing of main valve seat is controlled by the piston, while opening/closing of pilot seat is controlled by the mobile plunger of the coil.
MSV-1070/4 refrigeration solenoid valve is suitable for Freon refrigerant, liquid and gas as working medium. It uses electric signal to remotely control the working medium in the pipeline to realize on-off automation and realize electromechanical integration. MSV type 1070/4 solenoid valve has the advantages of quick valve opening, stable performance, convenient use, good energy saving and long service life.
For some early small and medium-sized units, the MSV series 1070/4 solenoid valve was connected in series with the liquid line in front of the throttling device and connected to the compressor with the same start switch. When the compressor is turned on, the solenoid valve is opened and the system piping is turned on to make the air conditioning system operate normally. When the compressor is shut down, the solenoid valve automatically cuts off the liquid line, preventing the refrigerant liquid from continuing to flow to the evaporator, preventing the refrigerant from hitting when the compressor starts again.
Dimension:
| Model | | | |
SAE (Flare), ODF (Solder) | | | | | |
| 1020/2 | | | | | |
| 1020/3 | | |
| 1028/2 | | | |
| 1028/3 | | | |
| 1064/3 | | | | |
| 1064/4 | | |
| 1068/3 | | |
| 1068/4 | | |
| 1070/4 | | | | | |
| 1070/5 | | |
| 1078/4 | | |
| 1078/5 | | |
| 1078/9 | | | | | |
| 1078/11 | | | | | |
| 1090/5 | | | | | |
| 1090/6 | | | | | |
| 1079/7 | | | | | |
| 1079/11 | | | | | |
| 1079/13 | | | | | |
| 1098/7 | | | | | |
| 1099/9 | | | | | |
| 1099/11 | | | | | |
Technical Data:
| Operating Principles | Model Number | SAE Port | Seat size nominal Ø (mm) | | | TS(℃) | TA(℃) |
| min | max | min | max |
| Direct Acting | 1020/2 | 1/4'' | 2, 5 | 0, 175 | 45 | -35 | +110 | -35 | +50 |
| 1020/3 | 3/8'' | 3 | 0, 23 |
| Diaphragm Pilot Operated | 1064/3 | 3/8'' | 6, 5 | 0, 80 | 45 | -35 | +105 | -35 | +50 |
| 1064/4 | 1/2'' |
| 1070/4 | 1/2'' | 12, 5 | 2, 20 |
| 1070/5 | 5/8'' | 2, 61 |
| 1090/5 | 5/8'' | 16, 5 | 3, 80 |
| 1090/6 | 3/4'' | 4, 80 |
| Piston Pilot Operated | 1034/3 | 3/8'' | 6, 5 | 1, 00 | 45 | -35 | +110 | -35 | +50 |
| 1034/4 | 1/2'' |
| 1040/4 | 1/2'' | 12, 5 | 2, 40 |
| 1040/5 | 5/8'' | 3, 00 |
| 1050/5 | 5/8'' | 16, 5 | 3, 80 |
| 1050/6 | 3/4'' | 4, 80 |
Installation:
Before connecting the valve to the pipe, it is advisable to make sure that the refrigerating system is clean. In fact, valves with P.T.F.E. gaskets, and particularly piston valves, are sensitive to dirt and debris. Furthermore, check that the flow direction in the pipe corresponds to the arrow stamped on the valve body. All the valves can be mounted in any position so long as the coil does not point downwards. The brazing of valves with solder connections should be carried out with care, using a low melting point filler material. It is not necessary to disassemble the valves before brazing, but it is important to avoid direct contact between the torch flame and the valve body, which could be damaged and compromise the proper functioning of
the valve.
Before connecting a valve to the electrical system, be sure that the line voltage and frequency correspond to the values marked on the coil.
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