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
Ingeniously designed with a dual-redundancy system, this valve integrates two completely separate pneumatic channels. It ensures that, in the event of an emergency stop, operational mishap, or the failure of a single valve, the power source is immediately cut off. This meticulous design is committed to safeguarding both personnel and equipment, ensuring their utmost safety and protection.
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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 scrupulously clean, dry, and devoid of any oil or contaminants.
- Confirm that the valve model perfectly aligns with the machine's pneumatic interfaces, showcasing precision compatibility.
3.2 Installation Procedure
1. Mounting: Firmly secure the valve in a vertical orientation on the specified position of the press pneumatic control panel using robust M6 bolts.
2. Pneumatic Connections:
- Main Circuit: Connect the air supply to the inlet (P) and link the actuator (e.g., cylinder) to the outlet (A), ensuring seamless operation.
- Redundant Circuit: Independently connect the backup channel to prevent any cross-interference and maintain discrete functionality.
3. Electrical Wiring:
- Solenoid Coil Voltage: Ensure voltage is either DC24V±10% or 110V/220V (to be specified beforehand). Connect Red: +, Black: -.
- Ground the wire securely to the equipment's earthing terminal, ensuring optimal safety.
4. Operating Procedures
4.1 Pre-Operation Checks
- Verify that the manual reset button is set in the "ON" position, readying the system for smooth operation.
- Engage the test button to simulate an emergency stop scenario, ensuring dual-channel synchronization is impeccably validated.
4.2 Normal Operation
- During regular operations, both valves function in perfect harmony. Should either channel experience a failure, a red alarm light will signal, and the automatic backup system will be activated.
4.3 Emergency Stop
- Press the E-stop button to synchronously cease the air supply, causing the press slide to halt immediately and safely.
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5. Maintenance
5.1 Routine Maintenance
- Conduct a weekly cleaning of the valve surface and meticulously inspect air hose connections for any leaks.
- On a monthly basis, test the response time and meticulously document the results for reference.
5.2 Periodic Service
- Replace seals every 6 months, and clean the spool with anhydrous ethanol to maintain optimal performance.
- Conduct an annual professional calibration of both solenoids and sensors to ensure precision and reliability.
6. Troubleshooting
Symptom Possible Cause Solution
Valve Inaction Power off / Coil burnout Inspect wiring and replace the coil to restore functionality.
Air Leakage Problem: Experiencing air leakage? It could be due to seal degradation or loose fittings. Solution: Simply replace the worn seals or tighten the fittings to ensure optimal performance.
Delayed Response Issue: Facing delayed responses in your system? The cause might be low pressure or a spool blockage. Solution: Enhance pressure levels or clean the spool to restore swift operation.
7. Safety Warnings
- 1. Critical Safety Alert: Never attempt to disassemble the valve while it is under pressure. Always ensure the system is depressurized before any servicing.
- 2. Important Notice: Internal adjustments are strictly prohibited unless performed by authorized personnel to maintain system integrity.
- 3. Immediate Action Required: If you notice any abnormal noise or leakage, shut down the system immediately to prevent further damage.
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8. After-Sales Service
- Warranty: Our products come with a 12-month warranty, covering any non-human-caused damages to ensure your peace of mind.
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Product Description
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