Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B
The AirTAC Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B is a genuine 5/2-way solenoid valve solenoid valve with 330P10B ports and an effective area of See datasheet (Cv —). It is an internally piloted spool valve that directs compressed air to double-acting cylinders and actuators.
- Valve type5/2-way
- FunctionSolenoid valve
- Port size330P10B
- Effective areaSee datasheet
- Flow (Cv)—
- Series4V
About the Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B
The B03-4V330P10B is AirTAC's explosion-proof build of the 4V330P-10B, a 5/3-way pressure center solenoid valve engineered for double-acting cylinders in potentially hazardous atmospheres. The B03- prefix identifies this as the flameproof variant, meaning it's constructed to operate safely where flammable gases or vapors may be present. With a 21.3 mm² effective area (Cv 1.25), it delivers controlled airflow to cylinders in the 50-80 mm bore range, making it a robust choice for industrial processes requiring both power and precision.
This model operates on DC24V with a 3.0W coil, ensuring reliable actuation with a response time of 0.05 seconds or less. The pressure center function means both cylinder ports are pressurized at the center position, which helps maintain system pressure and can be useful for certain clamping or positioning tasks. Weighing 450g, it features an aluminum-alloy body, IP65 protection, and a terminal box electrical entry. For specific explosion-proof protection ratings, certifications, or zone suitability, please confirm with us before installation.
Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B Technical Specifications
| Model | Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B |
|---|---|
| Series | 4V solenoid valve (spool type) |
| Valve type | 5/2-way |
| Function | Solenoid valve |
| Port size | 330P10B |
| Exhaust port | 330P10B |
| Effective area (Cv) | See datasheet (Cv —) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Pilot type | Internal / external pilot |
| Operating pressure | 0.15 – 0.8 MPa |
| Proof pressure | 1.2 MPa |
| Max frequency | See datasheet |
| Response time | ≤ 0.05 s (activating) |
| Temperature | -20 to +70 °C |
| Body material | Aluminum alloy |
| Weight | See datasheet |
Specifications follow the official AirTAC 4V series datasheet. Lubrication not required. Confirm coil voltage and thread (PT / NPT / G) against the product label before wiring.
Flow & Coil Options
| Effective area | See datasheet |
|---|---|
| Flow coefficient | Cv — |
| Response time | ≤ 0.05 s |
| Coil power | AC 3.5–4.5 VA · DC 2.5–3.0 W |
| Protection / insulation | IP65 (DIN40050), B-class |
| Voltage options | DC24V, DC12V, AC110V, AC220V |
| Manual override | Yes (locking / non-locking) |
Size the valve so effective area / Cv is not the bottleneck for your cylinder bore and speed. Undersized valves slow the actuator. Note 5/3 (center) versions have a smaller effective area than the 5/2 of the same body size.
Model Code: Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B
| 4V | Solenoid valve, spool type, 4-series. |
|---|---|
| B | Body size (4V) — sets port & flow. |
| 0 | Function: 1 = single 5/2, 2 = double 5/2, 3 = 5/3. |
| -330P10B | Port thread: M5 / 06=1/8" / 08=1/4" / 10=3/8" / 15=1/2". |
Related: 4VB10 (single), 4VB20 (double), 4VB30C/E/P (5/3 center). Add the voltage suffix when ordering.
Where the Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B Is Used
Hazardous-Area Actuation
Controls double-acting cylinders in chemical plants or paint shops where flammable vapors exist, using the B03- explosion-proof build to reduce ignition risk.
Pressure-Maintained Clamping
Ideal for jigs and fixtures that need both cylinder sides pressurized at rest, preventing drift and maintaining consistent clamping force during machining cycles.
Process Valve Positioning
Operates pneumatic actuators on process valves in refineries or gas handling, where the pressure center function helps balance forces and stabilize positioning.
Is the Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B the Right Valve?
When selecting this B03-4V330P10B, consider the 5/3 pressure center function: it pressurizes both A and B ports at center, which is ideal for applications where you need to maintain pressure on both sides of a cylinder or actuator. This differs from closed center (which holds position) or exhaust center (which allows free movement). The 3/8" PT port and 21.3 mm² effective area (Cv 1.25) suit cylinders in the 50-80 mm range; step down to the 4V200 series (Cv 1.0) for smaller bores or up to the 4V400 series (Cv 2.82) for larger ones.
For replacement or new installations, verify the 5-point match: body size (4V300), function (5/3 pressure center), port and thread (3/8" PT), coil voltage (DC24V), and electrical entry (terminal box). The B03- prefix indicates this is the explosion-proof version-confirm the exact protection level and certification for your specific hazardous area with us, as these details are not included in our standard documentation.
Quick checklist
- ✓ Required flow (Cv) for cylinder & speed
- ✓ Function: single / double / 5-3 center
- ✓ Coil voltage (DC24 / AC220 …)
- ✓ Port thread (M5 / 1/8 / 1/4 / 3/8 / 1/2)
- ✓ Single valve or manifold base?
Installation & Wiring Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 0.8 MPa operating pressure.
- check Match coil voltage to your controller output.
- check Use the manual override to test before powering.
- check Fit silencers or fittings to the exhaust ports.
- check Wiring by qualified personnel per AirTAC docs.
Airtac B03-4V Explosion-Proof Solenoid Valve B03-4V330P10B FAQ
The B03- prefix designates this as AirTAC's explosion-proof version of the standard 4V330P-10B. It's built with enhanced enclosure and coil construction to operate safely in hazardous atmospheres. However, the exact protection rating, certification body, and zone suitability are not listed in our standard data-please contact us to confirm these details for your specific application.
In this 5/3 pressure center valve, when both solenoids are de-energized, compressed air is supplied to both cylinder ports A and B simultaneously. This pressurizes both sides of the double-acting cylinder, which can help maintain system pressure, provide a degree of stiffness, and is useful in applications like balancing loads or preparing for rapid bidirectional movement. Note that it does not provide safety-rated load holding-use a mechanical brake or pilot-operated check valve for that.
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