Valve
3H/4H Series Hand Lever Valve
3H/4H Series Hand Lever Valve is a manually operated directional control valve designed for reliable air flow control in pneumatic systems
Specifications
- Working Medium
- Air
- Working pressure
- 0-0.8Mpa
- Operating Temperature
- -5-60 degree
- Material
- Aluminum
3H/4H Series Hand Lever Valve
The 3H/4H Series Hand Lever Valve is a manually operated directional control valve designed for reliable air flow control in pneumatic systems. It is widely used in industrial automation equipment, testing machines, packaging machinery, woodworking equipment, textile machinery, and maintenance workstations where manual actuation is required.
Features
- Manual lever operation with fast and smooth switching
- Available in 3/2-way and 5/2-way configurations
- Suitable for single-acting and double-acting cylinders
- Durable aluminum alloy valve body
- High airflow capacity for efficient pneumatic performance
- Compact structure for easy installation
- Stable sealing performance with NBR seals
- Long mechanical service life
- Low operating force for comfortable manual control
- Suitable for compressed air systems
Applications
The 3H/4H Series Hand Lever Valve is suitable for a wide range of industrial applications, including:
- Industrial automation equipment
- Packaging machinery
- Assembly production lines
- Textile machinery
- Printing equipment
- Woodworking machinery
- Pneumatic test benches
- Maintenance and repair stations
- Material handling systems
- Educational pneumatic training equipment
Technical Specifications
Item | Specification |
Product Name | 3H/4H Series Hand Lever Valve |
Valve Type | Manual Directional Control Valve |
Working Medium | Air |
Actuation | Hand Lever |
Working Pressure | 0–0.8 MPa |
Operating Temperature | -5°C to 60°C (No Freezing) |
Operating Angle | ±5° |
Body Material | Aluminum Alloy |
Seal Material | NBR |
Installation | Panel or Base Mounting |
Available Models
Model | Function | Port Size |
3H210-06 | 3/2 Way | 1/4" |
4H210-06 | 5/2 Way | 1/4" |
3H210-08 | 3/2 Way | 1/4" |
4H210-08 | 5/2 Way | 1/4" |
3H310-10 | 3/2 Way | 3/8" |
4H310-10 | 5/2 Way | 3/8" |
3H410-10 | 3/2 Way | 1/2" |
3H410-15 | 3/2 Way | 1/2" |
4H410-10 | 5/2 Way | 1/2" |
4H410-15 | 5/2 Way | 1/2" |
Flow Performance
Series | Port Size | CV Value |
210 Series | 1/4" | 16 (Cv=0.89) |
310 Series | 3/8" | 25 (Cv=1.40) |
410 Series | 1/2" | 30 (Cv=1.68) |
Product Advantages
Reliable Manual Control
The lever mechanism provides precise manual operation without requiring electrical power, making it ideal for equipment maintenance, testing, and emergency control.
Durable Construction
Manufactured from high-quality aluminum alloy with precision machining, the valve offers excellent corrosion resistance and long-term reliability in industrial environments.
Excellent Sealing Performance
High-quality NBR seals effectively minimize air leakage and ensure stable performance throughout extended operating cycles.
Easy Installation
With standardized pneumatic port sizes and a compact design, the valve can be easily integrated into existing pneumatic systems.
Wide Compatibility
Compatible with most pneumatic cylinders, FRL units, solenoid valves, air tubing, and pneumatic fittings commonly used in industrial automation.
Frequently Asked Questions
Q1: What is the difference between the 3H and 4H series?
A: The 3H series is a 3/2-way manual valve, mainly used with single-acting cylinders, while the 4H series is a 5/2-way manual valve, designed for double-acting pneumatic cylinders.
Q2: What is the maximum working pressure?
A: The recommended operating pressure range is 0–0.8 MPa.
Q3: What medium can the valve be used with?
A: It is designed for clean, compressed air.
Q4: Is OEM service available?
A: Yes. We provide OEM and private-label services, including customized logos, packaging, and product specifications.
Q5: Can the valve be used in harsh industrial environments?
A: Yes. The aluminum alloy body and NBR seals provide excellent durability and reliable performance in most industrial automation applications.
