Overview
The ASCO U8325B005V sub-miniature solenoid valve is a compact, direct-acting pneumatic valve engineered for precise air flow control. Built to ASCO’s quality standards, this valve delivers dependable performance in applications requiring a small footprint with minimal power consumption. The U8325B005V operates with clean, dry air or inert gases and is widely used in laboratory equipment, analytical instruments, and OEM systems where space efficiency is critical.
Key Features
- Compact sub-miniature design — fits tight mounting spaces in control cabinets and OEM enclosures
- Direct-acting solenoid mechanism — fast response time with minimal hysteresis
- Low power consumption — efficient operation reduces electrical load on control systems
- Normally closed (NC) configuration — returns to closed state when de-energized for fail-safe operation
- Durable construction — stainless hardware and robust elastomer seals for consistent performance
- CSA and UL recognized component — meets safety standards for industrial equipment
Technical Specifications
The ASCO U8325B005V delivers performance metrics suitable for laboratory and compact industrial applications:
- Valve Type: Direct-acting, normally closed sub-miniature solenoid valve
- Fluid Media: Clean, dry air or inert gas only (minimum 40 micron filtration recommended)
- Coil Code: 24/60 VDC or AC (confirm with order to match supply voltage)
- Orifice Size: 0.04″ (1 mm) — sub-miniature flow path
- Maximum Pressure: 100 psi (6.9 bar) for air service
- Minimum Operating Pressure: 5 psi (0.35 bar)
- Flow Factor (Cv): 0.03–0.05 typical for sub-miniature orifice
- Power Consumption: 2–3 watts typical (nominal, varies by coil)
- Operating Temperature Range: –20°C to +60°C (–4°F to +140°F) ambient
- Fluid Temperature Limit: +60°C (+140°F) maximum for air service
- Response Time: <10 milliseconds (direct-acting)
- Certifications: UL recognized component, CSA certified, CE marked
Typical Applications
- Laboratory Instruments: Gas chromatography, mass spectrometry, and analytical equipment requiring precise gas control
- Medical Devices: Ventilators, oxygen delivery systems, and diagnostic analyzers
- Industrial Automation: Compact air control in CNC machines, test stands, and OEM equipment
- Packaging Machinery: Small-scale valve for blow-off air and pneumatic actuation
- Instrumentation: Pilot air control for larger solenoid valves and pressure relief systems
Compatibility & Replacements
Compatible With
- ASCO solenoid valve manifolds and subplates rated for 1 mm orifice
- Standard 24 VDC and 120 VAC industrial electrical systems
- ISO pneumatic tubing and NPT port connections (verify port size)
- Pneumatic circuits using instrument-grade air (ANSI/ISA 7.0.01-1996 compliant)
- Automated test equipment and laboratory gas control systems
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator or ASCO before ordering. The U8325B005V is specific to sub-miniature 1 mm orifice applications; superseded units should match original pressure and coil voltage ratings.
Works With
- ASCO solenoid valve configurator and online catalog ordering system
- Standard 24 VDC and 120 VAC / 240 VAC control relays and PLCs
- Pneumatic flow control needles and manual isolation valves
- ASCO manifold block assemblies with sub-miniature cavity design
- Industrial pneumatic circuits with 40+ micron air filtration














