The Asco 8263G210LT Solenoid Valve is a direct-acting, normally closed, 2-way valve engineered for cryogenic service. This valve is designed for handling liquefied gases, including liquid nitrogen, oxygen, and argon, at temperatures as low as -320°F. It features a compact brass body, is prepared without hydrocarbons, and operates with a zero-pressure differential.
Technical Specifications
- Valve Type: Direct Acting, Normally Closed, 2-Way
- Pipe Size: 3/8″ NPT
- Flow Factor (Cv): 0.70
- Operating Pressure Differential:
- Cryogenic Fluids (AC): 0 to 40 psi
- Cryogenic Fluids (DC): 0 to 18 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
- Zero Pressure Operation: Operates with no minimum inlet pressure.
- Cryogenic Temperature Rating: Withstands service down to -320°F.
- Hydrocarbon-Free Cleaning: The valve is cleaned, dried, and black light inspected.
- Compact Brass Body: Fits into limited-space cryogenic assemblies.
- Direct-Acting Shutoff: Provides an immediate response to an electrical signal.
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 Tank Systems: Controls flow during fill and vent cycles.
- Vacuum-Jacketed Piping: Opens or closes liquid nitrogen lines.
- Laboratory Freezers: Regulates cryogenic injection during cooling.
- Semiconductor Equipment: Handles process gas shutoff at cold stages.
- Medical Storage Units: Manages LN₂ supply to cryogenic vessels.
Compliance and Approvals
- CSA Certified
- CE Marked (RedHat II Series)
Installation and Operational Notes
- Use only in systems designed for cryogenic fluids.
- Valve is degreased, dried, and tested for hydrocarbon residue.
- Install in vertical orientation for reliable actuation.
- Confirm electrical specifications before energizing the coil.
- Mounting bracket included for fixed or remote installations.
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