1、Pseudolaricinolide
Hydraulic Solenoid Valve Coils
2、Product Model
HM3250-18003
3、Product Parameter
24V AC/DC-4A
43650A
18mm
4、Adaptation model
Crane Pump Truck Cleaning Sweeper Sanitation Vehicle
5、Product Role
The coil plug the of hydraulic solenoid valve in construction machinery such as cranes and concrete pumps plays the following important roles:
Electrical Connection and Signal Transmission
- Stable Power Supply: It provides a stable electrical connection for the hydraulic solenoid valve coil, ensuring that the coil can work properly when powered. For example, the hydraulic solenoid valve plug with HM coil plug used in Zoomlion Sany crane and concrete pump has a rated voltage of 24V and a rated current of up to 10A, which can meet the power demand of the hydraulic solenoid valve in construction machinery.
- Control Signal Transmission: It accurately transmits the control signals from the control system to the solenoid valve coil, thereby enabling precise control over the opening and closing of the hydraulic oil circuit, as well as the direction and flow rate of the oil. For example, in a concrete pump truck, the main controller controls the on and off time of the solenoid valve coil, using electricity to control mechanical movement, and achieving the full automatic and continuous process of pumping.
Ensuring Normal Operation of the Hydraulic System
- Control of Oil Circuit Opening/Closing and Direction: When the solenoid valve coil is powered, it generates a magnetic field that pushes the spool to move, thereby controlling the opening and closing and the flow direction of the hydraulic oil. The hydraulic solenoid valve plug, as the bridge connecting the coil and the control system, directly affects the normal operation of the hydraulic system.
- Enhancing System Response Speed: High-quality plugs can ensure the fast and accurate transmission of signals, enabling the hydraulic system to respond promptly to control commands. This is crucial for construction machinery to quickly and accurately complete actions under complex working conditions.
Ensuring Equipment Safety and Reliability
- Preventing Electrical Failures: With waterproof, dustproof, and anti-vibration designs, it prevents problems such as water vapor and dust ingress and poor contact caused by vibrations. For example, the hydraulic solenoid valve plug with HM coil plug used in Zoomlion Sany has a waterproof design, effectively preventing water vapor and dust ingress, and ensuring the stability of the electrical connection.
- Prolonging Equipment Service Life: Good material and craftsmanship can improve the durability of the plug, reducing the damage to the solenoid valve caused by plug failure, and thus extending the service life of the entire hydraulic system. For example, copper plugs have good electrical conductivity and corrosion resistance, making them an ideal choice.
Facilitating Installation and Maintenance
- Standardized Interface: The use of standardized plug and socket designs makes installation and replacement convenient. This allows for quick plug replacement during the maintenance and repair of construction machinery, reducing downtime.
- Easy Inspection and Maintenance: When a hydraulic solenoid valve fails, the independence of the plug allows maintenance personnel to quickly locate the problem. If the plug is damaged, it can be replaced without having to replace the entire solenoid valve, reducing maintenance costs.
6、Product Details

Compatible with crawler crane hook assembly 00663104200400000
Gantry Crane Truck Crane Rotation Support Assembly 1031500326
60348998 Crane Truck Air Conditioning High and Low Pressure Pipe Assembly Fitting ASYZY60016
60099327 Compatible Crane Engine Radiator 1301SY75T-010
60137529 Air Conditioner Evaporator Fan for Bus Crane Cab F050000000sz
60099321 60187781 compatible with Sany crane air conditioning control panel switch ASYZY50045
1000300593 is compatible with the radiator ZL-2221300-AL (SSR-129A) of the Zoomlion crane water tank
60147740 is compatible with the crane auxiliary water tank liquid level sensor, water level alarm, low liquid level switch