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 our cutting-edge valve, designed with dual-redundancy technology featuring two separate pneumatic channels. This sophisticated system ensures the immediate discontinuation of power sources during critical situations such as emergency stops, operational mishaps, or single-valve malfunctions, thereby safeguarding both personnel and equipment with unparalleled precision.
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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 air supply is clean, dry, and free from oil/contaminants.
- Verify valve model matches machine pneumatic interfaces.
3.2 Installation Procedure
1. Mounting: Ensure the valve is securely installed in a vertical orientation at the specified location on the pneumatic control panel of the press, using M6 bolts for optimal stability.
2. Pneumatic Connections:
- Main Circuit: Establish a connection with the air supply at the inlet (P) and ensure the actuator, such as a cylinder, is linked to the outlet (A) for seamless operations.
- Redundant Circuit: Independently link the backup channel ensuring there's no cross-interference with the main circuit.
3. Electrical Wiring:
- Solenoid Coil Voltage: Operates at either DC24V±10% or 110V/220V. Ensure to specify voltage in advance. Wiring details: Red: positive (+), Black: negative (-).
- Ensure the ground wire is reliably connected to the equipment's earthing terminal for safety.
4. Operating Procedures
4.1 Pre-Operation Checks
- Verify that the manual reset button is set to the "ON" position.
- Engage the test button to initiate an emergency stop simulation and confirm the synchronization of dual channels.
4.2 Normal Operation
- During standard operations, both valves function concurrently. If a channel fails, a red alarm light is triggered, and the automatic backup system is activated to ensure continuous operation.
4.3 Emergency Stop
- Engage the E-stop button to simultaneously shut off the air supply, ensuring that the press slide ceases operation immediately.
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5. Maintenance
5.1 Routine Maintenance
- Weekly: Clean the valve's exterior and inspect air hose connections for any signs of leakage.
- Monthly: Test the response time; document the results for performance monitoring.
5.2 Periodic Service
- Every 6 months: Replace seals and cleanse the spool using anhydrous ethanol for optimal performance.
- Annually: Conduct a professional calibration of the solenoids and sensors to ensure accuracy and reliability.
6. Troubleshooting
Symptom Possible Cause Solution
Valve Inaction Power off / Coil burnout Inspect the wiring for issues; replace the coil if necessary to restore function.
Air Leakage: Seal degradation or loose fittings can compromise performance. To maintain optimal functionality, replace seals or tighten fittings promptly.
Delayed Response: Low pressure or spool blockage may hinder performance. Enhance system efficiency by increasing pressure or cleaning the spool meticulously.
7. Safety Warnings
- 1. NEVER attempt to disassemble the valve while under pressure! It is crucial to always depressurize the system before conducting any servicing.
- 2. Internal adjustments should strictly be carried out by authorized personnel only to ensure safety and compliance.
- 3. If you encounter abnormal noise or leakage, immediately shut down the system to prevent further damage or hazard.
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8. After-Sales Service
- Warranty: We offer a 12-month warranty for non-human damages, ensuring peace of mind and reliability in every purchase.
- Technical Support: Reach our 24/7 hotline at +86 136 9861 5076 for comprehensive technical support anytime, anywhere.
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Product Description
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