Product Overview
The CKD AD21-40A is a pilot operated 2-port solenoid valve engineered by CKD Corporation, a globally recognized Japanese manufacturer of precision fluid control components. This normally closed (N.C.) two-way valve utilizes an indirect pilot actuation principle: an integral solenoid pilot stage controls the pressure differential across a diaphragm or piston seal, enabling the main port to open or close with minimal electrical power consumption. The AD21-40A is designed for reliable on/off control of compatible process media in industrial fluid circuits, offering fast response, low power draw, and consistent sealing performance. Its 2-port configuration makes it suitable for straightforward shut-off and open/close service in pneumatic and general process lines where dependable pilot-operated actuation is required.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pilot Operated 2-Port Solenoid Valve |
| Model Designation | AD21-40A |
| Manufacturer | CKD Corporation |
| Valve Configuration | 2-Port, 2-Way, Normally Closed (N.C.) |
| Actuation Method | Indirect Pilot Operated Solenoid |
| Operating Pressure | Standard Industrial Grade (Up to rated bar) |
| Mounting & Connection | Standard ISO / Manufacturer Interface |
Engineering Features & Advantages
- Precision Performance: The indirect pilot design allows the solenoid to control high flow rates and larger port sizes with a compact coil, delivering reliable open/close actuation with minimal electrical power consumption.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust diaphragm or piston sealing that maintains tight shut-off and long cycle life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
The CKD AD21-40A pilot operated 2-port solenoid valve is widely deployed in pneumatic control panels, general process fluid shut-off lines, packaging and assembly machinery, and automated manufacturing equipment where dependable pilot-operated on/off control of compatible media is required.
PRODUCT IMAGES
CKD AD21-40A Pilot Operated 2-Port Solenoid 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 CKD AD21-40A Solenoid Valve. This Japan-made 24V DC hydraulic component features a 2-position, spring-return design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.