Castel Type 1/2'' ODS Castel Type Solenoid Valve 1078/4 1078/4A6

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.

In the whole machine parts of various types of chillers such as industrial chillers, cryogenic refrigerators, screw chillers, etc., there is a very important component that is often not found and mentioned. It is called a MSV Refrigeration solenoid valve. It is mounted on a copper tube connected between the condenser outlet and the inlet of the throttle expansion valve, and its function is indispensable in the chiller refrigerant flow. The MSV-1078/4 refrigerant controlling solenoid valve is mainly composed of electromagnetic coil, magnetic core, spring, sealing ring and other components. When the coil is energized or de-energized, the operation of the magnetic core will cause the refrigerant to pass through the valve body or be cut off in order to achieve the purpose of the refrigerant opening or closing of the chiller refrigeration system.

Dimension:

Technical Data:

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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