Description
The ASCO 8220G410 is a heavy-duty, pilot-operated, 2-way normally closed solenoid valve engineered for demanding steam and hot water applications in commercial and industrial HVAC systems. With a robust brass body, EPDM diaphragm, and a NEMA 4X-rated enclosure, this valve delivers reliable, leak-free shut-off performance in wet, corrosive, and washdown environments.
Key Features
- 2-way, normally closed (NC) configuration — valve closes when de-energized for fail-safe operation
- Pilot-operated design for efficient actuation across a wide pressure range
- Brass body construction for excellent corrosion resistance and long service life
- EPDM diaphragm — compatible with steam and hot water media
- NEMA 4X enclosure rating — suitable for indoor/outdoor use, dust-tight, and watertight
- High flow capacity with 11.5 Cv for minimal pressure drop
Electrical Specifications
- Coil Voltage: 120VAC
Pressure & Flow Specifications
- Steam Pressure Range: 5–50 PSI
- Hot Water Pressure Range: 5–150 PSI
- Flow Coefficient (Cv): 11.5
Connection & Body Details
- Port Size: 1″ NPT
- Body Material: Brass
- Seal/Diaphragm Material: EPDM
- Enclosure Rating: NEMA 4X
Typical Applications
- Steam distribution and control systems
- Hot water heating and hydronic systems
- Commercial boiler and process piping
- Industrial HVAC and building automation
The ASCO 8220G410 is backed by ASCO’s industry-leading solenoid valve engineering, making it a trusted choice for contractors and engineers who need dependable on/off flow control in steam and hot water service.
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