Safety Dual Valve Instruction Manual
(For Punch Press Machines)
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1. Product Overview
1.1 Product Name
Safety Dual Valve for Punch Press Machines (Model: SK23JSD-L/XXX)
1.2 Functional Description
Introducing a state-of-the-art valve, designed with dual-redundancy technology featuring two independent pneumatic channels. This innovation guarantees the immediate cessation of power in situations like emergency stops, operational mishaps, or single-valve anomalies, thereby ensuring the utmost safety for both personnel and machinery.
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2. Technical Specifications
Parameter Value
Operating Pressure 0.2~1.0 MPa
Medium Clean Compressed Air (Filtration ≥5μm)
Temperature Range 10ºC ~ +60ºC
Valve Body Material Aluminum Alloy (Anodized Surface)
Seal Material Nitrile Rubber (NBR)
Response Time ≤0.1 sec
Protection Rating IP65
3. Installation Instructions
3.1 Pre-Installation
- Ensure the air supply is pristine, dry, and devoid of oils or contaminants, setting the stage for optimal operation.
- Confirm the valve model accurately aligns with the machine's pneumatic interface specifications.
3.2 Installation Procedure
1. Mounting: Position the valve securely, vertically installing it in the designated location on the press pneumatic control panel using sturdy M6 bolts.
2. Pneumatic Connections:
- Main Circuit: Directly attach the air supply to the inlet (P) and connect the actuator (e.g., cylinder) to the outlet (A) for seamless operation.
- Redundant Circuit: Independently establish a backup channel connection to ensure zero cross-interference.
3. Electrical Wiring:
- Solenoid Coil Voltage: Choose between DC24V±10% or 110V/220V (must be specified prior) with terminal connections (Red: +, Black: -).
- Ensure the ground wire is securely connected to the equipment's earthing terminal for safety.
4. Operating Procedures
4.1 Pre-Operation Checks
- Ensure the manual reset button is engaged in the "ON" position for readiness.
- Press the test button to emulate an emergency stop, confirming dual-channel synchronization.
4.2 Normal Operation
- During operations, both valves operate in tandem. Should one channel fail, a red alarm light activates and the backup system seamlessly takes over.
4.3 Emergency Stop
- Engage the E-stop button to instantly disconnect the air supply, bringing the press slide to an immediate halt.
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5. Maintenance
5.1 Routine Maintenance
- Conduct a weekly cleanse of the valve surface and inspect air hose connections meticulously for any leaks.
- Monthly, test the response time and meticulously document the data for record-keeping.
5.2 Periodic Service
- Every 6 months, replace seals and cleanse the spool with anhydrous ethanol to maintain peak performance.
- Annually, a comprehensive professional calibration of solenoids and sensors is essential.
6. Troubleshooting
Symptom Possible Cause Solution
Valve Inaction Power off / Coil burnout Carefully check the wiring for any issues; replace the coil if necessary to restore function
Air Leakage Seal degradation / Loose fittings Replace seals or tighten fittings for optimal performance.
Delayed Response Low pressure / Spool blockage Increase pressure or clean spool to restore swift response times.
7. Safety Warnings
- 1. NEVER disassemble the valve under pressure! Always ensure complete depressurization before any servicing to avoid hazards.
- 2. Internal adjustments are strictly prohibited for non-authorized personnel to maintain integrity and compliance.
- 3. Immediately shut down operations if abnormal noise or leaks are detected to prevent further issues.
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8. After-Sales Service
- Warranty: 12 months (non-human damage), ensuring peace of mind with every purchase.
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Product Description
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