Asco 8214G020 Solenoid Valve 8214G20

The Asco 8214G020 Solenoid Valve (8214G20) is a pilot-operated, normally closed shutoff valve designed for on-off control of fuel gas. With zero minimum pressure differential and a rugged die-cast aluminum body, it provides rapid, secure shutoff in combustion systems. Ideal for commercial and industrial gas burners in HVAC and process heating systems.

Technical Specifications

• Valve Type: Pilot Operated, Normally Closed, 2-Way
• Pipe Size: 1/2” NPT
• Flow Factor (Cv): 4.4
• Gas Capacity: 238,500
• Operating Pressure Differential:
  • Minimum Operating Pressure: 0 psi
  • Fuel Gas: 0 to 5 psi
• Maximum Fluid Temperature:
  • AC: 125°F (52°C)
  • DC: 104°F (40°C)
• Body Material: Aluminum
• Seal Material: NBR
• Voltage Options:
  • AC (60Hz): 24, 120, 240V
  • AC (50Hz): 110, 220V
  • DC: 12, 24V
• Watt Rating:
  • AC: 17.1 watts
  • DC: 22.6 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

• Zero Differential Design: Operates from 0 psi inlet pressure.
• Fast-Acting Shutoff: Less than 1 second open/close time.
• Aluminum Body Construction: Lightweight and corrosion-resistant.
• Routine Testing Ports: Integrated 1/8″ NPT pipe taps for pressure checks.
• Mountable in Any Position: Flexible installation for varied burner setups.

Compatible Components and Related Parts

• ASCO RedHat II Coil Series
• ASCO Mounting Brackets
• ASCO Seal Kit for 8210 Series
• ASCO Explosionproof Solenoid Enclosure

Industry Applications

• Gas Burner Systems: Primary shutoff for industrial burners.
• Commercial HVAC Equipment: Controls fuel gas to heating units.
• Process Heating Lines: On-off control for combustion gas.
• Power Generation: Fuel gas shutoff in turbine systems.
• Gas Safety Systems: Emergency fuel gas shutoff applications.

Compliance and Approvals

• UL Listed to Standard 429
• FM Approved to Class 7400
• CSA Certified to C22.2 No. 139, Z21.21 (6.5), and C/I (3.9)

Installation and Operational Notes

• Provided with 1/8″ NPT upstream/downstream test taps.
• Ensure compatibility with pressure and ambient limits.
• Standard RedHat II solenoid coil, Class F insulation.
• Proper electrical conduit and sealing are required.
• Routine inspection recommended for safe gas shutoff.