Airtac 4V200 Solenoid Valve 4V21008BI-W
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4V21008BI-W
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Description
**Product Description:**
1. Pilot Operation: Internal or external pilot-operated options available;
2. Spool-type structure ensures excellent sealing performance and high responsiveness;
3. 3-position solenoid valves offer three center position configurations (exhaust center, pressure center, closed center);
4. Double-coil 2-position solenoid valves feature a memory function (maintains last position during power loss);
5. Precision-honed inner bore minimizes friction, enabling low actuation pressure and extended service life;
6. Maintenance-free operation without lubrication required;
7. Compatible with base-mounted manifold systems for space-saving installations;
8. Integrated manual override for simplified commissioning and diagnostics;
9. Multiple standard voltage options (AC/DC) to suit diverse applications.
**Category:** Solenoid Valves | **Brand:** AirTAC | **Series:** 4V200
**Model Example:** AirTAC 4V210-08 Pneumatic Solenoid Valve (220V AC/24V DC) – Directional Control Valve with Coil.
*(Note: Terminology optimized for clarity and industrial standards while retaining technical accuracy.)*
Installation protocol:
Mount with vibration-damping brackets in high-shock environments.
Use 5-7Nm torque for port connections. Lubricate with ISO VG32-grade
pneumatic oil if used in dry air systems. Allow ≥30mm clearance below
for exhaust management.
Critical note:
Requires 5μm filtration (40μm for emergency use only).
Not compatible with phosphate ester-based lubricants.
For vertical mounting, ensure exhaust ports face downward
to prevent condensate ingress.
AirTAC 4V200 Series Solenoid Valve 4V21008BI-W Technical Specifications
- Model: 4V21008BI-W
- Type: 5/2-way double solenoid pilot-operated (bi-stable)
- Port size: PT1/4 (G1/4 optional)
- Operating pressure: 0.15–0.8 MPa (21.7–116 PSI)
- Voltage variants: DC24V (±10%), AC110V (50/60Hz), AC220V (50/60Hz)
- Weight: 0.68 kg ±2% (including coil)
- Dimensions: 76mm(L) × 50mm(W) × 85mm(H)
- Flow capacity: 1200 NL/min (ANR, at 0.5 MPa)
- Seal materials: HNBR main seals, FKM optional
- Temperature range: -5℃ to 80℃ (non-freezing)
- Response time: ≤15ms (at rated voltage)
- Protection class: IP67 (coil), IP40 (valve body)
- Port thread depth: 12mm (minimum engagement)
- Hysteresis: ≤0.02 MPa
- Power consumption: 2.8W (DC24V), 5VA (AC)
High-flow bistable valve with position memory function, featuring dual manual override and surge protection circuitry. The brass body with hard anodized aluminum pilot chamber ensures corrosion resistance in humid environments. Designed for systems requiring energize-to-switch operation rather than continuous power consumption.
Industrial Applications:
- Clamping/positioning mechanisms in CNC machinery
- Double-acting cylinder control in assembly lines
- Pneumatic indexing tables with position hold requirements
- Textile machinery with frequent directional changes
- Automated welding equipment gas flow control
Installation protocol:
Mount with vibration-damping brackets in high-shock environments.
Use 5-7Nm torque for port connections. Lubricate with ISO VG32-grade
pneumatic oil if used in dry air systems. Allow ≥30mm clearance below
for exhaust management.
Critical note:
Requires 5μm filtration (40μm for emergency use only).
Not compatible with phosphate ester-based lubricants.
For vertical mounting, ensure exhaust ports face downward
to prevent condensate ingress.
| Property | Property Value |
|---|---|
| sku | 4V21008BI-W |
| Position | 5 Ports 2 Position |
| Port Size | PT1/4 |
| Standard Voltage | DC24V |
Shipping policies
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.
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