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
Embrace unparalleled safety with our Safety Dual Valve, featuring a dual-redundancy design that integrates two independent pneumatic channels. This cutting-edge technology ensures rapid power source cutoffs during emergency halts, operational mishaps, or single-valve malfunctions, thereby safeguarding both personnel and equipment.
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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 your air supply is pristine, dry, and devoid of any oils or contaminants to maintain optimal performance.
- Confirm that the valve model precisely aligns with the machine's pneumatic interfaces for seamless integration.
3.2 Installation Procedure
1. Mounting: Rigorously mount the valve vertically in its designated location on the press's pneumatic control panel, securing it with M6 bolts.
2. Pneumatic Connections:
- Main Circuit: Connect the air supply to the inlet (P) and link the actuator (such as a cylinder) to the outlet (A) for robust functionality.
- Redundant Circuit: Establish an independent connection for the backup channel, ensuring no cross-interference for added security.
3. Electrical Wiring:
- Solenoid Coil Voltage: Choose between DC24V±10% or 110V/220V, ensuring specifications are set in advance (with Red as +, Black as -).
- Ensure the wire is grounded reliably to the equipment's earthing terminal for safety.
4. Operating Procedures
4.1 Pre-Operation Checks
- Confirm that the manual reset button is positioned to "ON" for proper functionality.
- Use the test button to simulate an emergency stop and verify the flawless synchronization of the dual channels.
4.2 Normal Operation
- In operation, both valves function in unison, ensuring safety; any channel failure triggers a red alarm light and activates the automatic backup.
4.3 Emergency Stop
- Engage the E-stop button to instantaneously cut off the air supply, bringing the press slide to an immediate halt, ensuring absolute safety.
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5. Maintenance
5.1 Routine Maintenance
- Weekly: Clean the valve surface and meticulously inspect all air hose connections for potential leaks to maintain optimal condition.
- Monthly: Test the response time, diligently record data to ensure timely interventions.
5.2 Periodic Service
- Every 6 months: Replace seals and meticulously clean the spool using anhydrous ethanol for enduring efficiency.
- Annually: Have a professional calibration of solenoids and sensors performed to guarantee peak operational accuracy.
6. Troubleshooting
Symptom Possible Cause Solution
Valve Inaction Power off / Coil burnout Check wiring; replace coil
Issue: Air Leakage Identified Cause: Seal degradation or loose fittings Solution: Replace seals or tighten fittings to ensure efficient operation.
Issue: Delayed Response Identified Cause: Low pressure or spool blockage Solution: Increase pressure or clean the spool for optimal performance.
7. Safety Warnings
- 1. IMPORTANT: Never attempt to disassemble the valve while under pressure! Ensure the system is fully depressurized before any maintenance or servicing.
- 2. NOTICE: Only authorized personnel may perform internal adjustments. Unauthorized interference is strictly prohibited.
- 3. ALERT: Immediately shut down operations if any abnormal noise or leakage is detected to prevent damage or accidents.
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8. After-Sales Service
- Warranty: Coverage extends for 12 months against non-human induced damage, assuring peace of mind.
- Technical Support: Available 24/7 via our hotline at +86 136 9861 5076, providing prompt assistance whenever necessary.
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Product Description