The Asco 8342G720 Solenoid Valve is a direct-acting valve used for directional control of process media in general service applications. It utilizes a slide mechanism to alter internal flow paths between outlet ports when actuated.
Technical Specifications
- Valve Type: Direct Acting, 4-Way
- Pipe Size: 1/4″ NPT
- Flow Factor (Cv): 0.70
- Operating Pressure Differential:
- Air/Inert Gas: 125 psi
- Water: 125 psi
- Light Oil: 125 psi
- Maximum Fluid Temperature: 160°F (71°C)
- Body Material: 304 Stainless Steel
- Construction Type: Dual Solenoid
- Seal and Disc Material: NBR and FKM
- Voltage Options:
- AC: 24, 120, 240, 480 V (60 Hz)
- AC: 24, 110, 115, 220, 230 V (50 Hz)
- No combination 120/60, 110/50 coil available.
- Watt Rating:
- AC: 16.1/F
- Solenoid Enclosure:
- Standard: Watertight, Types 1, 2, 3, 3S, 4, and 4X
- Optional: Explosionproof and Watertight, Types 3, 3S, 4, 4X, 6, 6P, 7, and 9
Key Features and Functionality
- Dual Solenoid Configuration: Allows electrical actuation from either coil.
- Mechanical Detent: Maintains valve position in the event of power loss or pressure drop.
- Direct Acting Design: Operates without an external pilot or assist air.
- High-Flow Construction: The slide-style mechanism provides efficient port switching.
- Flexible Coil Operation: Supports momentary or continuous energization.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8342 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Combustion Control Systems: Commands valve positions in burner train sequences.
- Control Cabinets: Directs pneumatic routing in automated logic panels.
- Pneumatic Actuation Skids: Shifts air supply between actuators or zones.
- Diagnostic Instrumentation: Holds valve state during pressure or function testing.
- Emergency Shutdown Logic: Maintains or interrupts flow in safety-critical loops.
Compliance and Approvals
- UL Listed
- CSA Certified
- CE Marked
Installation and Operational Notes
- Mount vertically with the coil upright to ensure reliable performance.
- Disengage the manual operator before applying electrical power.
- Install a filter or strainer upstream to block debris and contaminants.
- Thoroughly flush all piping before connecting the valve.
- Securely tighten electrical connections to prevent damage to the coil.
Series Catalog
Asco 8340 Air-Only Solenoid Valves
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