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
Our innovative Safety Dual Valve is engineered with a sophisticated dual-redundancy design, featuring two separate pneumatic channels. This cutting-edge architecture ensures immediate power cutoff in scenarios such as emergency stops, operator errors, or single-valve malfunctions, significantly enhancing safety for 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 air supply is pristine, completely dry, and devoid of any oil or contaminants to maintain operational integrity.
- Confirm that the valve model is fully compatible with the machine's pneumatic interfaces for seamless integration.
3.2 Installation Procedure
1. Mounting: Securely affix the valve in a vertical orientation at the designated location on the press pneumatic control panel using M6 bolts for optimal stability.
2. Pneumatic Connections:
- Main Circuit: Connect the air supply to the inlet (P) and link the actuator (e.g., cylinder) to the outlet (A) for efficient operation.
- Redundant Circuit: Establish an independent connection for the backup channel to ensure no cross-interference, providing reliable fail-safe functionality.
3. Electrical Wiring:
- Solenoid Coil Voltage: Choose between DC24V±10% or 110V/220V (pre-specify your preference); ensure proper polarity (Red: +, Black: -) for efficient operation.
- Ensure the ground wire is securely connected to the equipment's earthing terminal for safe operation.
4. Operating Procedures
4.1 Pre-Operation Checks
- Verify that the manual reset button is correctly positioned to "ON" for operational readiness.
- Activate the test button to simulate an emergency stop, ensuring the dual-channel synchronization is functioning flawlessly.
4.2 Normal Operation
- In normal operation, both valves function in unison. If either channel fails, a red alarm light is illuminated, and the automatic backup is activated instantly to maintain safety.
4.3 Emergency Stop
- Engage the E-stop button to swiftly cut off the air supply, immediately halting the press slide to prevent any mishaps.
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5. Maintenance
5.1 Routine Maintenance
- Thoroughly clean the valve surface on a weekly basis; inspect air hose connections meticulously for any potential leaks.
- Conduct a monthly response time test and keep precise records of the data for ongoing performance assessment.
5.2 Periodic Service
- Replace seals every 6 months to ensure optimal performance; cleanse the spool using anhydrous ethanol for pristine operation.
- Undertake annual professional calibration of solenoids and sensors to maintain accuracy and reliability.
6. Troubleshooting
Symptom Possible Cause Solution
Valve Inaction Power off / Coil burnout Thoroughly check wiring connections; replace the coil as necessary to restore function.
Air Leakage: Seal degradation or loose fittings can compromise efficiency. Ensure optimal performance by replacing worn seals or tightening fittings for a secure, leak-free operation.
Delayed Response: Combat low pressure or spool blockage by increasing pressure or cleaning the spool. Experience seamless and prompt valve operations with these proactive measures.
7. Safety Warnings
- 1. Critical Alert: NEVER disassemble the valve while under pressure! Ensure safety by always depressurizing before commencing any service work.
- 2. Caution: Internal adjustments are strictly prohibited for non-authorized personnel, preserving the integrity of the system.
- 3. Safety Priority: Immediately shut down the system if you notice any abnormal noise or leakage, preventing potential hazards.
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8. After-Sales Service
- Warranty: Enjoy peace of mind with a 12-month warranty covering non-human damage, ensuring product reliability.
- Technical Support: Reach out anytime to our 24/7 hotline at +86 136 9861 5076 for expert technical assistance.
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Product Description
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