The Asco 8263G240LT Solenoid Valve is a miniature, direct-acting, normally closed 2-way valve engineered for cryogenic service with liquefied gases such as nitrogen, oxygen, and argon. Rated for temperatures as low as -320°F, it delivers reliable shutoff performance without requiring inlet pressure. The 1/8″ NPT porting suits tight installations in precision cryogenic control systems.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 1/8″ NPT
- Flow Factor (Cv): 0.35
- Operating Pressure Differential:
- Cryogenic Fluids (AC): 0 to 130 psi
- Cryogenic Fluids (DC): 0 to 75 psi
- Maximum Fluid Temperature:
- Cryogenic Service: -320°F (-194°C)
- Body Material: Brass
- Seal Material: PTFE or Clad Copper/UR
- Voltage Options:
- AC: 24, 120, 240, 480 V (60 Hz)
- DC: 6, 12, 24, 120, 240 V
- Watt Rating:
- AC: 12.1/F
- DC: 11.6/F
- Solenoid Enclosure:
- Standard: NEMA 1, 2, 3, 3S, 4, 4X (Watertight, Corrosion-Resistant)
- Optional: Explosionproof & Watertight (Types 3, 3S, 4, 4X, 6, 6P, 7, 9)
Key Features and Functionality
- Direct-Acting Design: Opens fully without relying on line pressure.
- Low Flow Capacity: Cv of 0.35 supports precise dosing applications.
- Cryogenic Temperature Rating: Functions reliably down to -320°F.
- Cleaned for Oxygen Service: Internals degreased and tested for hydrocarbons.
- Small Port Configuration: Sized for compact assemblies and fine flow control.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8263 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Cryogenic Sampling Points: Controls dosing in liquid gas sampling systems.
- Portable Cryogenic Devices: Used in handheld or mobile storage equipment.
- Instrumentation Cooling Lines: Regulates cryogenic media for precision cooling.
- Biotech Storage Chambers: Provide sealed flow control to LN₂ injectors.
- Space-Constrained Skids: Installs easily in tight manifold locations.
Compliance and Approvals
- CSA Certified
- CE Marked (RedHat II Series)
Installation and Operational Notes
- Only install in cryogenic-rated, moisture-free systems.
- Valve is cleaned, dried, and black light tested.
- Use vertical orientation for reliable coil response.
- Confirm the system voltage matches the coil before energizing.
- The bracket may be used for fixed or enclosure-mounted installations.
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