The ASCO NP832094E Solenoid Valve is a nuclear-qualified, explosion-proof 3-way solenoid valve designed for oil-free instrument air and inert gas control in hazardous environments. It is constructed with robust materials for high-pressure, safety-critical applications in nuclear power plants, oil & gas facilities, and process automation.
Technical Specifications
- Valve Type: Direct-acting, Normally Closed, 3-Way
- Pipe Size: 1/4” ANPT
- Flow Factor (Cv):
- Cylinder: 0.13
- Exhaust: 0.13
- Operating Pressure Differential:
- Air: 110 (AC), 65 (DC)
- Safe Working Pressure: 300 psi
- Body Material: Stainless Steel
- Seal Material: Ethylene propylene, FKM fluoroelastomer
- Valve Voltage:
- Watertight: 120/60 VAC, 240/60 VAC, 250 VAC, 125 VDC
- Explosionproof: 120/60 VAC, 240/60 VAC, 250 VAC, 125 VDC
- Watt Rating:
- AC: 10.5 watts
- DC: 17.4
- Coil Insulation Class: H
- Solenoid Enclosure:
- Watertight Solenoid Enclosure, Explosion-proof Solenoid Enclosure
Product Functionality and Key Features
- Nuclear-Qualified Design: Certified under IEEE-323, IEEE-344, and IEEE-382.
- 3-Way Direct-Acting Valve: Reliable switching between pressure, exhaust, and cylinder ports.
- Explosionproof Construction: Designed for use in hazardous locations (Class I, Division 1, Groups C & D; Class II, Division 1, Groups E, F, & G).
- Oil-Free Instrument Air Compatibility: For precision air control in regulated environments.
- High Durability: Rated for 300 PSI (20.7 bar) safe working pressure to withstand demanding conditions.
- Universal Mounting Orientation: Installable in any position without affecting functionality.
- Hazardous Location Certification: Meets UL, CSA, and IEEE safety regulations.
Compatible Components and Related Parts
- ASCO Coil Assemblies for multiple voltage configurations.
- Explosionproof Electrical Enclosures for Class I, Div 1, Groups C & D environments.
- Filter Regulators for air quality control in compressed air and pneumatic automation systems.
- Strainers and Silencers for preventing contaminants.
Industry Applications
- Nuclear Power Plants: Meets IEEE nuclear qualification standards for safety-critical instrumentation control.
- Oil & Gas Facilities: Explosionproof design for hazardous air and gas control applications.
- Chemical Processing: Ensures safe and regulated operation in classified industrial environments.
- Water & Waste Treatment: Used in air-operated automation and pressure control systems.
- Pneumatic Automation: Controls instrument air in safety and process control systems.
Compliance and Certifications
- Compliant with IEEE-323, IEEE-344, and IEEE-382.
- Certified under AQS-21680/Rev. C.
- Documented in AQR-67368/Rev. 2.
- Meets older IEEE-382-1972 standards.
- AQS-21678, TR. Rev. B approved.
Installation and Operational Notes
- Ensure proper conduit sealing for hazardous locations per NFPA and NEC standards.
- Can be installed in any position; however, vertical mounting is recommended for best performance.
- Regularly check for corrosion, debris, and electrical integrity to maintain peak operation.
- Clean and inspect the valve, seals, and filter elements periodically to prevent clogging and maintain efficiency.
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.