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4V/4A/3V/3A 300 Series Solenoid Valve

4V/4A/3V/3A 300 Series Solenoid Valves Pneumatic solenoid valve Internal pilot-operated solenoid valve Two-position five-way solenoid valve Three-way five-port solenoid valve

This series of solenoid valves is a high‑flow, internally piloted control component specifically designed for medium‑ and large‑scale industrial pneumatic systems. It encompasses various valve configurations, including 2/5‑way, 3/5‑way, and 2/3‑way types, and is compatible with mainstream port sizes such as G1/4" and G3/8".

Product Details

Product Overview

The product uses compressed air filtered to 40 microns as its working medium, supports an operating pressure range of 0.15–0.8 MPa, and features an IP65 protection rating paired with Class F insulation. It can operate reliably in industrial environments ranging from -5°C to 50°C, making it widely applicable in scenarios with high flow requirements, such as automated equipment, heavy-duty packaging machinery, industrial robots, and automated production lines, providing your production line with efficient and dependable fluid control solutions.

Key Specification Parameters

This series of solenoid valves includes multiple sub-models, covering various valve configurations and interface specifications:

Two-position five-way models: 4V310-08, 4V320-08, 4A310-08, 4A320-08, 4V310-10, 4V320-10, 4A310-10, 4A320-10

Three-position five-way models: 4V330C-08, 4V330E-08, 4V330P-08, 4A330C-08, 4A330E-08, 4A330P-08, 4V330C-10, 4V330E-10, 4V330P-10, 4A330C-10, 4A330E-10, 4A330P-10

Two-position three-way models: 3V310-08, 3V320-08, 3A310-08, 3A320-08, 3V310-10, 3V320-10, 3A310-10, 3A320-10

Key Performance Parameters

Effective flow area (including CV value): For the 08-series two-position five-way/three-way models, it is 25 mm² (CV = 1.40); for the three-position five-way models, it is 18 mm² (CV = 1.00). For the 10-series two-position five-way/three-way models, it is 30 mm² (CV = 1.68), while the three-position five-way models remain at 18 mm² (CV = 1.00). This high-flow design meets the air supply needs of medium to large pneumatic circuits.

Port diameter: The 08-series models feature uniform G1/4" inlet, outlet, and exhaust ports; the 10-series models have G3/8" inlet and outlet, with a G1/4" exhaust port, eliminating the need for additional adapters and allowing direct connection to equipment interfaces.

Actuation method: Utilizes internal pilot control, with a minimum energization time of only 0.05 seconds and a maximum actuation frequency of up to 5 cycles per second. Even under high-frequency conditions, it responds swiftly to commands, ensuring optimal production line efficiency.

Electrical and safety parameters: AC power consumption is 5.5 VA, DC power consumption is 4.8 W; voltage tolerance is ±10%, suitable for industrial power grids. Insulation class is F, and protection rating is IP65, effectively resisting dust and water splashes, and performing well in humid or dusty environments.

Operating condition compatibility: Supports an operating pressure range of 0.15–0.8 MPa, with a maximum withstand pressure of 1.2 MPa, capable of handling transient system pressure fluctuations. Operating temperatures span -5°C to 50°C, suitable for ordinary workshops to mildly complex industrial settings. Wiring options include lead-out type or terminal type, allowing flexible selection based on on-site wiring requirements.

Core Product Advantages

✅ High-flow design, ideal for medium to large pneumatic systems

With an effective flow area of 25–30 mm² and large-diameter G1/4" and G3/8" ports, it meets the high-flow air supply demands of medium to large automated equipment and heavy machinery, preventing issues like slow cylinder movement or equipment jams caused by insufficient air supply.

✅ Comprehensive model coverage, adaptable to diverse applications

Offering two-position five-way, three-position five-way, and two-position three-way valve configurations, along with two mainstream port diameters, it satisfies the circuit control needs of various pneumatic systems without requiring custom modifications. It directly matches your equipment interfaces, reducing selection and installation costs.

✅ Efficient and stable pilot-controlled operation, no jamming even under high-frequency conditions

Employing an internal pilot actuation mechanism, combined with a minimum energization response time of 0.05 seconds and an actuation frequency of up to 5 cycles per second, this solenoid valve ensures rapid and precise responses even under high-frequency conditions, minimizing control delays and enhancing production line efficiency.

✅ Industrial-grade protective design, maximizing durability

IP65 protection effectively resists dust and water splashes, while Class F insulation safeguards against voltage fluctuations. Even in humid, dusty, or electrically unstable industrial environments, it maintains long-term stable operation, significantly reducing equipment failure risks and maintenance costs.

✅ Broad operating condition compatibility, resilient to complex industrial environments

Supporting a wide temperature range of -5°C to 50°C and a maximum withstand pressure of 1.2 MPa, it can handle transient system pressure fluctuations and adapt to various industrial settings—from ordinary workshops to mildly complex operations—without worrying about environmental impacts on equipment performance.

✅ Flexible wiring design, tailored to on-site installation needs

Supporting both lead-out and terminal wiring options, you can choose according to your on-site wiring space and construction preferences, simplifying installation and improving wiring efficiency.

Applicable Scenarios

  1. Pneumatic control systems for medium to large automated equipment
  2. Pneumatic circuits for heavy-duty packaging and printing machinery
  3. Pneumatic drives for industrial robots and large robotic arms
  4. High-flow pneumatic control for textile machinery and food processing equipment
  5. Fluid control for general industrial automation production lines

Frequently Asked Questions (FAQ)

Q1: What are the requirements for the working medium of this solenoid valve?

A: This series of solenoid valves only accepts compressed air filtered to 40 microns as the working medium, preventing impurities from entering the valve body and causing blockages or wear that could shorten its service life.

Q2: What are the port diameters for different models?

A: Solenoid valves with the “-08” suffix have G1/4" inlet, outlet, and exhaust ports; those with the “-10” suffix feature G3/8" inlet and outlet, with a G1/4" exhaust port. You can select the appropriate model based on your equipment’s interface specifications.

Q3: What are the protection and insulation ratings of the solenoid valve?

A: This series of solenoid valves has an IP65 protection rating, offering resistance to dust and water splashes, and a Class F insulation rating, meeting electrical safety requirements in industrial environments.

Q4: What is the maximum actuation frequency of the solenoid valve?

A: The maximum actuation frequency for this series is 5 cycles per second, sufficient to meet the high-frequency control needs of most automated equipment.