Castel Type SAE 3/4'' 1090/6 Membrane Refrigeration Solenoid Valves

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.

The role of refrigeration compressor:
Refrigeration compressors are the most important equipment in refrigeration units and are often referred to as mainframes in refrigeration units. The refrigerant vapor is increased from a low pressure to a high pressure and the continuous flow and delivery of the vapor is accomplished by means of the operation of the refrigeration compressor, that is, the function of the refrigeration compressor is:

1) The refrigerant vapor is taken from the evaporator to ensure a certain evaporation pressure in the evaporator.

2) Increase the pressure and compress the low-pressure low-temperature refrigerant vapor into a high-pressure high-temperature superheated vapor to create a condition for condensation at a higher temperature (such as a temperature of about 35 ° C in summer).

3) Transport and push the refrigerant to flow through the system to complete the refrigeration cycle.

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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