Product Overview
The SMC IL220-N02-L is a precision-engineered pneumatic lock-up valve designed to maintain and hold actuator position in the event of a sudden loss of air pressure or electrical signal. Manufactured by SMC Corporation, a global leader in pneumatic and industrial automation technology, this valve functions as a safety and position-holding device within pneumatic control circuits. When supply pressure drops below a predetermined threshold, the IL220-N02-L automatically seals the output port, preventing the actuator from drifting or retracting unexpectedly. This ensures operational safety and process integrity in critical industrial applications where uncontrolled movement could cause equipment damage or personnel injury.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Lock-Up Valve (Process & Pneumatic Valve) |
| Model Designation | IL220-N02-L |
| Operating Pressure | Standard Industrial Grade (0.2 to 0.8 MPa rated) |
| Port Size & Connection | 1/4″ NPT (N02) — Standard SMC Interface |
| Lock-Up Mechanism | Pilot-operated poppet with spring-return safety lock |
| Manual Override | Equipped with manual lock release (L-type) |
| Body Material | Die-cast aluminum alloy with corrosion-resistant finish |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
Engineering Features & Advantages
- Precision Lock-Up Performance: The IL220-N02-L utilizes a pilot-operated poppet mechanism that responds instantly to pressure loss, sealing the output port to prevent actuator drift and ensuring fail-safe position holding.
- Manual Override Capability: The integrated manual lock release (L-type designation) allows operators to manually reset or release the valve during maintenance or emergency procedures without disconnecting the pneumatic circuit.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, the valve features a durable die-cast aluminum body and NBR seals resistant to common industrial oils and contaminants.
- Direct Fit Replacement: Exact dimensional and functional compatibility with SMC original OEM standards, ensuring seamless integration into existing pneumatic panels and manifolds.
- Compact Modular Design: Space-saving construction allows direct mounting to SMC actuators and manifolds, reducing piping complexity and installation time.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original SMC standards, allowing straightforward retrofit into existing hydraulic systems without rework.
PRODUCT IMAGES
SMC IL220-N02-L Pneumatic Lock-Up Valve
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine SMC IL220-N02-L Electro-Pneumatic Regulator. This Japan-made 24VDC pneumatic component features a proportional pressure control design, delivering precise, reliable air regulation for heavy-duty industrial automation systems.