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
Elevate your safety measures with our valve, featuring a sophisticated dual-redundancy design with two entirely independent pneumatic channels. This advanced architecture promises immediate cessation of power sources during emergency stops, operational errors, or any single-valve failures, ensuring 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 air supply is immaculate, devoid of moisture, oil, or contaminants.
- Confirm that the valve model precisely matches the pneumatic interfaces of the machine.
3.2 Installation Procedure
1. Mounting: Carefully secure the valve in a vertical position at the designated spot on the press pneumatic control panel, using robust M6 bolts to ensure stability.
2. Pneumatic Connections:
- Main Circuit: Seamlessly connect the air supply to the inlet (P) and the actuator (e.g., cylinder) to the outlet (A) for optimal functionality.
- Redundant Circuit: Ensure an independent connection of the backup channel to prevent any cross-interference.
3. Electrical Wiring:
- Solenoid Coil Voltage: Choose between DC24V±10% or 110V/220V (must be specified beforehand) and connect (Red: +, Black: -) accordingly.
- Ensure a reliable ground wire connection to the equipment's earthing terminal for safety.
4. Operating Procedures
4.1 Pre-Operation Checks
- Verify that the manual reset button is turned to the 'ON' position for readiness.
- Engage the test button to mimic an emergency stop and confirm synchronization of the dual channels.
4.2 Normal Operation
- During regular operation, both valves are active. If either channel fails, a red alarm light signals the automatic activation of the backup.
4.3 Emergency Stop
- Instantly halt press slides by pressing the E-stop button, which synchronously cuts off the air supply.
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5. Maintenance
5.1 Routine Maintenance
- Weekly: Clean the valve surface meticulously and inspect air hose connections for any leaks.
- Monthly: Assess the response time and meticulously document all data.
5.2 Periodic Service
- Every 6 months: Replace seals diligently and clean the spool using anhydrous ethanol for optimal performance.
- Annually: Conduct professional calibration of solenoids and sensors to maintain precision.
6. Troubleshooting
Symptom Possible Cause Solution
Valve Inaction Power off / Coil burnout Thoroughly check wiring; replace coil if necessary.
Addressing Air Leakage: Combat seal degradation or loose fittings by promptly replacing worn seals or tightening slack fittings to ensure optimal performance.
Tackling Delayed Response: Overcome low pressure issues or spool blockages by increasing pressure levels or thoroughly cleaning the spool for seamless operation.
7. Safety Warnings
- 1. Safety First! NEVER attempt to disassemble the valve while it is under pressure. Ensure it is fully depressurized before conducting any service work.
- 2. Strictly Prohibited: Internal adjustments should only be performed by authorized personnel to maintain operational integrity.
- 3. Immediate Action Required! If you detect abnormal noise or any leakage, shut down the system without delay to prevent further issues.
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8. After-Sales Service
- Warranty: Enjoy peace of mind with our 12-month warranty covering all non-human damages.
- Technical Support: Reach out anytime! Our 24/7 hotline is available at +86 136 9861 5076 for all your technical assistance needs.
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Product Description
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