1064/3 3/8'' SAE Diaphragm Pilot Operated HM3 Refrigeration Solenoid Valve

1064/3 3/8'' SAE Diaphragm Pilot Operated HM3 Refrigeration Solenoid Valve

Solenoid valves are found in many applications and are commonly used in refrigeration and air conditioning systems. Their function is simply to turn refrigerant flow on and off.

1 The plunger opens a pilot port.
2 Pressure on top of a piston is released through the pilot port, thus creating a pressure imbalance across the piston.
3 With the pressure underneath the piston now greater than the pressure on top, the piston will move in an upward direction, opening the main port.
4 When the plunger drops, it closes the pilot port; thus, the pressure above and below the piston equalizes, and the piston closes the main port.
5 The pressure difference across the valve, acting on the area of the main port, holds the piston in a tightly closed position.

Technical Data:

Dimension:

Replacement Castel Type Solenoid Coil:

Castel Refrigeration Solenoid Valve Application In resh-keeping cabinet
The structure of the rolling compressor of the fresh-keeping cabinet is mainly composed of a motor, a rolling piston, an eccentric shaft, a sliding piece, a spring, an air suction hole, an exhaust valve piece, etc. (no suction valve piece).

The slider of the fresh-keeping cabinet is equal in height to the cylindrical rotor, the cylinder height is slightly higher than the rotor, the cylinder head is covered with a cylinder head, and there is a certain gap between the piston end surface and the cylinder head plane, so that the piston and the slider can be freely in the cylinder. Movement, there are suction and exhaust holes on the cylinder block on both sides of the cylinder groove, the suction hole has no suction valve, and the refrigerant vapor directly enters the suction hole of the cylinder from the steam pipe. In order to prevent liquid blow, a gas-liquid separator is arranged on the suction pipe; an exhaust valve is arranged on the exhaust port, and the gas in the cylinder is discharged into the casing, so that the inside of the casing is a high-pressure gas zone, and then the high-pressure gas is further composed of a shell. The body enters the exhaust passage.

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