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TACO Type Double Solenoid Valve | AD-SL231D-304D 406D | Punch Press Safety Valve | DA3 DA4 Monitor
| Model Number | AD-SL231D-304D/406D, AD-SL231-304D-DA3, AD-SL231D-304D-DA4 |
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Product Description
AD-SL231D Series Double Solenoid Valves with DA3/DA4 Safety Monitors
Product Overview: The AD-SL231D Series is a critical safety component for pneumatic punch press circuits, specifically engineered to control clutch and brake systems. Featuring a high-precision, long-life dual-valve architecture, this series ensures that if a single solenoid fails or a spool sticks, the valve immediately shifts to an exhaust state. This prevents “unintended continuous stroking,” protecting both operators and expensive tooling.
This category highlights core models integrated with advanced monitoring: the AD-SL231D-304D (1/2″) and 406D (3/4″), along with versions featuring DA3 (Micro-switch monitoring) or DA4 (Proximity sensor monitoring) devices. These valves are the premier choice for precision stamping presses, metal forging lines, automated shearing machines, and high-safety pneumatic circuits.
Key Technical Advantages:
Dual Redundant Safety Logic: Internal spools monitor each other. If desynchronization occurs, the valve cuts off the air supply and continues to exhaust until the fault is cleared.
DA3/DA4 Intelligent Monitoring: Provides real-time position feedback. DA3 utilizes a mechanical micro-switch, while DA4 uses a non-contact proximity sensor, allowing the control system to instantly detect valve status.
Rapid Exhaust Response: Large-bore exhaust channels significantly reduce brake response time, meeting strict industrial safety stopping distance standards.
Rugged Engineering: Optimized for high-frequency switching and heavy vibration environments, utilizing premium sealing materials for a service life spanning millions of cycles.
Detailed Specifications & Parameters:
Core Series: Double Solenoid Valve for Punch Press Safety.
Featured Model Matrix: AD-SL231D-304D, AD-SL231D-406D, AD-SL231-304D-DA3, AD-SL231D-304D-DA4.
Core Performance Specs:
Port Sizes: 304D (1/2″ PT/NPT), 406D (3/4″ PT/NPT).
Monitor Types: DA3 (Micro Switch), DA4 (Proximity Sensor).
Operating Pressure: 0.2 – 0.7 MPa (2 – 7 Bar).
Applicable Media: Filtered and lubricated compressed air.
Coil Voltages: Available in AC220V, AC110V, DC24V.
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
Our Advantages
Fast & Reliable Delivery
Extensive Partnerships
We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses
Strict Quality Assurance
Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
Competitive Pricing
Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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