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
This innovative valve incorporates a cutting-edge dual-redundancy design with two distinct pneumatic channels. This ensures rapid power source disconnection during emergencies, operator mishaps, or any single-valve malfunction, thereby providing unparalleled protection 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 the air supply remains pristine, completely dry, and devoid of oil or contaminants to guarantee optimum performance.
- Confirm valve model compatibility with the machine's pneumatic interfaces to prevent mismatches.
3.2 Installation Procedure
1. Mounting: Securely affix the valve vertically in its designated spot on the press pneumatic control panel utilizing M6 bolts for a stable installation.
2. Pneumatic Connections:
- Main Circuit: Seamlessly connect the air supply to the inlet (P) and the actuator (e.g., cylinder) to the outlet (A) ensuring a flawless operation.
- Redundant Circuit: Independently link the backup channel without cross-interference to maintain system integrity.
3. Electrical Wiring:
- Solenoid Coil Voltage: Available in DC24V±10% or 110V/220V (specify in advance) with clear wiring polarity (Red: +, Black: -).
- Ensure reliable grounding of the wire to the equipment's earthing terminal to prevent electrical hazards.
4. Operating Procedures
4.1 Pre-Operation Checks
- Confirm the manual reset button is set to the "ON" position for proper startup.
- Engage the test button to simulate an emergency stop and validate the efficient synchronization of the dual-channel system.
4.2 Normal Operation
- During standard operation, both valves function concurrently. A failure in either channel triggers an alert via a red alarm light and initiates the automatic backup activation for uninterrupted safety.
4.3 Emergency Stop
- Activate the E-stop button to synchronously cut off the air supply, promptly halting the press slide to prevent mishaps.
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5. Maintenance
5.1 Routine Maintenance
- Conduct weekly cleaning of the valve surface and meticulously inspect air hose connections to detect any leaks early.
- Perform monthly tests on response time, dutifully recording the data for performance tracking.
5.2 Periodic Service
- Replace seals semiannually and cleanse the spool with anhydrous ethanol for optimal function.
- Schedule an annual professional calibration of solenoids and sensors to ensure precise operation.
6. Troubleshooting
Symptom Possible Cause Solution
Valve Inaction: When faced with a power-off situation or coil burnout, ensure that you meticulously check the wiring. If necessary, replace the coil to restore optimal functionality.
Air Leakage: Should you encounter seal degradation or loose fittings, promptly replace the seals or tighten the fittings to maintain airtight performance and prevent any inefficiencies.
Delayed Response: Address low pressure issues or spool blockage by increasing the system pressure or thoroughly cleaning the spool to ensure swift and responsive operation.
7. Safety Warnings
- 1. NEVER disassemble the valve while under pressure! Always ensure depressurization before performing any servicing to guarantee safety.
- 2. Internal adjustments are strictly prohibited for any non-authorized personnel. Ensure only trained professionals handle such tasks.
- 3. Immediately cease operations if you detect any abnormal noise or leakage, as continuing could compromise safety and equipment integrity.
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8. After-Sales Service
- Warranty: Enjoy peace of mind with our comprehensive 12-month warranty covering non-human damage, ensuring reliable support when you need it.
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Product Description
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