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
Engineered with precision, this safety dual valve showcases a pioneering dual-redundancy design featuring two separate pneumatic channels. It offers unparalleled protection by instantly disengaging the power source during emergencies, operational mishaps, or single-channel faults, thereby safeguarding both personnel and machinery.
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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 pristine: devoid of moisture, oil, or any contaminants that could impair performance.
- Confirm the valve's model is perfectly compatible with the machine's pneumatic interface specifications.
3.2 Installation Procedure
1. Mounting: Secure the valve in an upright position on the designated control panel of the press, using M6 bolts for a firm fixture.
2. Pneumatic Connections:
- Main Circuit: Connect the air supply to the inlet (P) and attach the actuator, such as a cylinder, to the outlet (A).
- Redundant Circuit: Ensure the backup channel is connected independently to prevent cross-interference.
3. Electrical Wiring:
- Solenoid Coil Voltage: DC24V±10% or 110V/220V (ensure specification is selected in advance) (Red represents positive, Black indicates negative).
- Securely ground the wire to the equipment's earthing terminal for optimal safety.
4. Operating Procedures
4.1 Pre-Operation Checks
- Verify that the manual reset button is engaged to the "ON" position for readiness.
- Utilize the test button to simulate an emergency stop, ensuring dual-channel synchronization is functioning perfectly.
4.2 Normal Operation
- During standard operations, both valves perform in tandem. Should one channel fail, a red alarm light is activated and the automatic backup engages.
4.3 Emergency Stop
- Engage the E-stop button to instantly sever the air supply, causing an immediate halt to the press slide.
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5. Maintenance
5.1 Routine Maintenance
- Regularly cleanse the valve surface weekly and check air hose connections for any leaks to maintain efficiency.
- Conduct a monthly test of the response time and meticulously document the results.
5.2 Periodic Service
- Bi-annually replace seals and clean the spool with anhydrous ethanol to maintain optimal functionality.
- Ensure an annual professional calibration of solenoids and sensors to retain precision and reliability.
6. Troubleshooting
Symptom Possible Cause Solution
Valve Inaction Power off / Coil burnout Check wiring; replace coil
Addressing Air Leakage: Ensure a tight seal and secure fittings. Should you encounter seal degradation or loose fittings, promptly replace seals or tighten fittings to maintain optimal performance.
Resolving Delayed Response: Boost operational efficiency by addressing low pressure or spool blockage. Increase the system's pressure or clean the spool to restore swift response times.
7. Safety Warnings: Essential Precautions
- 1. Crucial Warning: Under no circumstances should the valve be disassembled while under pressure! Always ensure the system is depressurized before any servicing activities.
- 2. Authorized Adjustments Only: Internal adjustments must be performed exclusively by authorized personnel to prevent equipment damage and ensure safety.
- 3. Immediate Shutdown Protocol: If abnormal noise or leakage is detected, initiate an immediate shutdown to prevent system damage and ensure safety.
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8. After-Sales Service: Dedicated Support and Assistance
- Warranty Assurance: Enjoy peace of mind with our 12-month warranty, covering non-human damage.
- 24/7 Technical Support: Reach out to us anytime at +86 136 9861 5076 for expert assistance and guidance.
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Product Description
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