The Asco 8316G004 Solenoid Valve (8316G4) is a 3-way, normally closed, air-operated valve designed for control systems with no inlet pressure available. Commonly installed in OEM pneumatic circuits, gas modules, and panel-mounted control assemblies.
Technical Specifications
- Valve Type: 3-way, Normally Closed, Air-Piloted, Spring Return
- Pipe Size: 1/2″
- Cv Flow Factor: 4
- Operating Pressure Differential:
- Air/Inert Gas: 0 to 150 psi (AC), 0 to 120 psi (DC)
- Maximum Fluid Temperature:
- AC: 180°F
- DC: 120°F
- Body Material: Brass
- Seal Material: Low-Temp NBR
- Voltage Options:
- AC (60Hz): 24, 120, 240, 480V
- AC (50Hz): 110, 220V
- DC: 6, 12, 24, 120, 240V
- Watt Rating:
- AC: 10.1 watts
- DC: 11.6 watts
- Coil Insulation Class: F
- Solenoid Enclosure:
- Standard: NEMA 4X, IP65 (Watertight, Corrosion-Resistant)
- Optional: Explosionproof & Watertight (Types 3-9), Raintight (Types 3, 7, 9)
Key Features and Functionality
- Universal Mounting Capability: Can be installed in any orientation.
- Zero Differential Operation: Functions without inlet pressure when externally piloted.
- Selectable Pilot Configuration: Gasket position switches between internal and external control.
- Spring Return Safety: The valve automatically resets on power loss.
- Steady Flow Delivery: Maintains consistent output in varying pressure conditions.
Compatible Components and Related Parts
- ASCO RedHat II Coil Series
- ASCO Mounting Brackets
- ASCO Seal Kit for 8316 Series
- ASCO Explosionproof Solenoid Enclosure
Industry Applications
- Air Control Systems: Operates with no system pressure present.
- Gas Switching Panels: Directs inert media under low-pressure conditions.
- Pneumatic Interlock Loops: Enables automated safety transitions.
- Equipment Startup Control: Powers critical flow paths during initialization.
- OEM Pneumatic Blocks: Installs into compact modular valve arrays.
Compliance and Approvals
- UL and CSA Certified (only with EF or EV prefix)
- CE Compliant
- ATEX/IECEx Certified (with EV prefix)
- SIL 3 Capable (Normally Closed only, EXIDA certified)
Installation and Operational Notes
- It may be mounted in any position.
- The external pilot requires a minimum of 15 psi auxiliary air.
- The internal mode requires a pressure differential between pressure and exhaust ports.
- Supply and exhaust piping must be full-area and unrestricted.
- Flow controls must be installed only in cylinder lines.
- The coil voltage must be specified when ordering.
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