2、Sliding spool structure with excellent sealing performance and rapid response characteristics;
3、Dual-coil bistable function for position memory retention in 4M series 5/2-way valves;
4、Precision-bored cylinders with specialized surface treatment ensure low friction, minimum operating pressure (0.15MPa), and extended service life;
5、Maintenance-free operation requiring no lubrication;
6、Side port mounting configuration enables direct coupling with actuators;
7、Integrated manual override for simplified commissioning and maintenance;
8、Multiple standard voltage options available for global compatibility.
Category: Solenoid Valves, Brand: AIRTAC, Series: 4M
AirTAC 4M21008CI 5/2-Way Solenoid Valve Specifications
- Model: 4M21008CI
- Type: 5/2-way double pilot operated (ISO 5599-3 compliant)
- Port size: G1/8 (ISO standard)
- Operating pressure: 0.2–1.0 MPa (29–145 psi)
- Voltage options: DC12V (±10%), DC24V (±10%), AC110V (50/60Hz), AC220V (50/60Hz)
- Response time: ≤30ms (at rated voltage)
- Weight: 320g ±5% (including coil)
- Dimensions: 75mm(L) × 50mm(W) × 82mm(H) (manual override adds 15mm)
- Seal material: Heat-resistant NBR (-20℃ to 80℃)
- Temperature range: -5℃ to 80℃ (with silicone seal optional for -20℃ to 100℃)
- Flow rate: 850 l/min (ANR, at 0.5MPa)
- Protection rating: IP67 (coil), IP40 (valve body)
- Port thread depth: 12mm (minimum engagement 9mm)
- Hysteresis: ≤10% of rated voltage
High-flow bistable solenoid valve with dual electrical feedback options (LED/PLC). Features shock-resistant brass body with anodized aluminum coil housing. Designed for heavy-duty cycles (10 million+ operations) with manual override capability. Requires filtered air (≤40μm) with lubricant mist ≤1ppm.
- Automated assembly line actuators
- Plastic injection molding machine clamp control
- CNC tool changers and spindle brakes
- Foundry equipment cylinder sequencing
- High-speed packaging machine diverters
| Property | Property Value |
|---|---|
| sku | 4M21008CI |
| Position | 5 Ports 2 Position |
| Port Size | PT1/4 |
| Standard Voltage | AC 110V |
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.









