1079/7

1079/7A6 1079/7A7 7/8'' ODS Castel Type Solenoid Valve

The shown in this chaptern is castel type solenoid valves with welding connection for refrigerating, which are designed for installation on commercial refrigerating systems and on civil and industrial conditioning plants employing the following refrigerants: R22, R134a, R404A, R407C, R410A; R507 in Group II. When the coil is energized by a cold control with setpoint, the plunger opens the valve seat that connects the inlet to the outlet to allow open flow.

Features and Benefits:
1. Solenoid valves are normally closed (NC) without coils.
2. Direct action and diaphragm pilot versions available.
3. Direct acting valves operate in the magnetic field and can be opened with zero differential pressure.

Overall dimension of 1079/7 7/8'' ODS Castel Type Solenoid Valve:

Technical data of Castel Type Solenoid Valve For Refrigeration:

Details display of CASTEL Type Solenoid Valve In Refrigeration:

Independent packaging display of Castel Type Solenoid Valve:

Installation of Castel Type Solenoid Valve:
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.

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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