The Asco EF8300D9U Solenoid Valve is an explosion-proof, 3-way normally closed valve built for safe control of air, water, and inert gas in hazardous environments. With its 3/8″ NPT porting and direct-acting design, it functions without inlet pressure and is suitable for use in pilot control, purge isolation, or low-pressure media switching in refineries, skids, and instrumentation systems.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 3-Way
- Pipe Size: 3/8″ NPT
- Operating Pressure Differential:
- Air: Up to 120 psi
- Water: Up to 120 psi
- Inert Gas: Up to 120 psi
- Body Material: Brass
- Seat Material: Corrosion-Resisting Steel
- Seal Material: Nitrile (NBR) or equivalent
- Watt Rating: 28 W (Typical, AC Coil)
- Solenoid Enclosure:
- Explosionproof & Watertight (Types 3, 3S, 4, 4X, 6, 6P, 7, 9)
Key Features and Functionality
- Explosionproof Coil Design: Certified for hazardous classified locations.
- Normally Closed Flow Pattern: Blocks flow when de-energized.
- Flexible Voltage Support: Compatible with various AC/DC coils.
- Direct Acting Operation: Requires no inlet pressure to actuate.
- Brass Housing Construction: Resists corrosion in utility-grade systems.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8300 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Power Generation: Piloting larger valves, fuel, and air control.
- Analytical & Diagnostic Equipment: Sample handling and fluid diversion.
- Process Industries: Chemical injection and dosing in refining and biofuels.
- Manufacturing & Automation: Pilot control for presses, heaters, and conveyors.
- Life Sciences: Regulates buffers and reagents in lab automation.
Compliance and Approvals
- UL Listed (Explosionproof models)
- CSA Certified
- FM Approved for hazardous locations
- CE Marked (when applicable to coil selection)
Installation and Operational Notes
- Match coil and media to pressure and temperature requirements.
- Use certified conduit fittings for hazardous areas.
- Ensure correct porting for universal flow service.
- Confirm coil voltage before powering the system.
- Mount vertically unless specified otherwise.
We ship this product worldwide! Delivery is normally stock.
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