34BH-B10H-T Hydraulic Directional Valve
5 week ago
Product details
34BH-B10H-T Hydraulic 3-Position 4-Way Solenoid Directional Valve
1. Model Coding Definition
- 34: 3-position, 4-way port configuration
- B: AC solenoid actuation (standard AC220V)
- H: H-type neutral spool function (P-T open for pump unloading, A/B blocked at mid-position)
- B10: Nominal diameter 10mm, standard subplate mounting
- H: High-pressure sealing structure
- T: Spring centering with manual override pushrod on both ends
2. Key Technical Specifications
- Rated working pressure: 31.5MPa
- Max flow rate: 40L/min
- Control voltage: Standard AC220V, optional AC110V / DC24V
- Working medium: Anti-wear hydraulic oil, viscosity 10~40mm²/s, temperature -20~70℃
- Mounting: Standard plate mounting
- Response time: 0.03~0.05s
3. Operating Principle
- Neutral position (both solenoids off): Springs center the spool, pump port P connects to tank port T for unloading, ports A & B are sealed to hold actuator position.
- Left solenoid energized: Spool shifts right, P→A & B→T for actuator forward movement.
- Right solenoid energized: Spool shifts left, P→B & A→T for actuator reverse movement.
- Manual override enables emergency operation when power fails.
4. Typical Applications
Machine tools, forklifts, injection molding machines, metallurgical equipment, agricultural machinery, marine auxiliary hydraulic systems and general industrial automation hydraulic circuits.
1. Product Overview
The34BH-B10H-T Hydraulic Directional Valveis a directional control valve used in hydraulic systems to switch oil circuits through electromagnetic actuation. It is widely applied in industrial machinery, automation equipment, and other fields, enabling precise control over the start, stop, and directional adjustment of hydraulic actuators (such as hydraulic cylinders and motors).
2. Technical Features
1. High Response Speed: Utilizes advanced electromagnetic actuation technology to ensure short switching times and improved operational efficiency.
2. Compact Structure: The valve body is designed in accordance with industry standards, featuring a compact structure that facilitates installation in limited spaces.
3. Excellent Sealing Performance: The contact surfaces between the valve spool and valve body are precisely processed to prevent oil leakage and extend equipment lifespan.
4. Multiple Control Voltage Options: Supports alternating current (220V/380V) or direct current (12V/24V) power supplies, with a switching frequency not exceeding 60 cycles per minute, meeting various operational requirements.
5. Wet Electromagnet Design: The wet electromagnet design further enhances sealing and durability, making it suitable for high-frequency working environments.
6. Multiple Port Size Options: Offers various port size options (e.g., 10mm, 20mm) to accommodate different flow rate requirements in hydraulic systems.
3. Application Scenarios
1. Industrial Machinery: Used in machine tools, injection molding machines, etc., to control the directional movements and sequences of hydraulic actuators.
2. Automation Equipment: Applied in automated assembly lines, robots, etc., to achieve precise position control and coordinated movements.
3. Construction Machinery: Controls the directional movements and speeds of working devices in excavators, loaders, etc.
4. Metallurgical Equipment: Used in rolling mills, continuous casting machines, etc., to control the oil flow directions in hydraulic press-down and cooling water systems.
4. Installation and Maintenance
1. Installation Precautions:
• Springless valves should be installed horizontally along the axis, using separate return oil pipelines.
• When installing two-position spring-biased valves vertically, ensure the electromagnet is positioned downward.
• Do not support the valve with pipelines, and avoid wrapping threads with paint or hemp fibers.
• Ensure sufficient space for manual operation and disassembly of the electromagnet during valve installation.
• For valves that remain under pressure for extended periods, perform regular cycling to prevent sticking.
2. Maintenance Recommendations:
• Regularly inspect the valve's sealing performance to ensure no leakage occurs.
• Clean the valve body and spool components to remove oil contaminants and impurities, maintaining the valve's cleanliness and good working condition.
• Check the operational status of control components such as electromagnets to ensure they energize and de-energize normally, driving the spool movement.
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