The Asco 8347A001 Solenoid Valve (8347A1) is a pilot-operated, dual-solenoid, 4-way valve designed for directional control of air or inert gas in actuator and cylinder systems. Its dual-solenoid design allows controlled shifting in either direction when the corresponding coil is energized.
Technical Specifications
- Valve Type: Pilot Operated, Dual Solenoid, 4-way
- Pipe Size: 1/4″
- Operating Pressure Range:
- Air/Inert Gas: 15 to 250 psi
- Water: 15 to 250 psi
- Light Oil: 15 to 250 psi
- Body Material: Brass
- Voltage Options: 120 V/60 Hz, 110 V/50 Hz
- Watt Rating: 11 W
- Solenoid Enclosure: Type 1 (General Purpose, Indoor)
Key Features and Functionality
- Dual Solenoid Control: Maintains actuator position with a continuous signal to each coil.
- Wide Media Range: Compatible with air, inert gases, water, and light oil up to 250 psi.
- Compact Piping Size: The 1/4″ NPT configuration is suitable for tight control panels.
- Broad Pressure Range: Operates reliably across 15–250 psi for varied pneumatic systems.
- Pilot Operation: Enables higher flow capacity with lower electrical coil power draw.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8347 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Packaging Machinery: Shifts air actuators in filling and sealing units.
- Automation Panels: Directs air routing in control enclosures.
- Material Handling: Operates pneumatic grips or diverters.
- Machine Tools: Controls actuation for clamp and index systems.
- Printing Equipment: Shifts the printhead or register pneumatic cylinders.
Compliance and Approvals
- UL Listed
- CSA Certified
Installation and Operational Notes
- Make sure the supply voltage matches the coil rating before powering.
- Install with both solenoids upright to ensure stable operation.
- Keep media clean—flush lines to remove particulates.
- Stay within pressure and temperature limits at all times.
- Verify compatibility of wetted materials with process media.
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