Description
ASCO 8221G13-24VDC 2-Way Normally Closed Pilot-Operated Solenoid Valve
The ASCO 8221G13-24VDC is a heavy-duty, pilot-operated solenoid valve engineered for reliable water control in commercial and industrial HVAC and plumbing applications. Featuring a slow-closing design that minimizes water hammer, this 2-way normally closed valve is built to deliver consistent, long-service performance in demanding environments.
Key Features
- 2-way, normally closed (NC) configuration — valve closes automatically when de-energized for fail-safe operation
- Pilot-operated design for efficient actuation on larger line sizes
- Slow-closing mechanism reduces water hammer and system stress
- 2″ NPT pipe connection for straightforward installation into standard water lines
- 24VDC coil voltage for compatibility with low-voltage control systems
- High flow capacity with a 36 Cv flow coefficient
- Operating pressure range: 5–125 PSI (water service)
- Brass body construction for excellent corrosion resistance and durability
- NBR (Buna-N) seals for reliable sealing with water media
- NEMA 4 enclosure rating — suitable for indoor and outdoor use, protected against splashing and hose-directed water
Specifications
- SKU: 8221G13-24VDC
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve
- Operation: Normally Closed (NC)
- Actuation: Pilot Operated, Slow Closing
- Pipe Size: 2″ NPT
- Coil Voltage: 24VDC
- Flow Coefficient (Cv): 36
- Pressure Range: 5–125 PSI
- Media: Water
- Body Material: Brass
- Seal Material: NBR (Nitrile Butadiene Rubber)
- Enclosure Rating: NEMA 4
Applications
- Commercial and industrial water shutoff and control
- HVAC hydronic systems and cooling towers
- Irrigation and water distribution systems
- Process water control in light industrial environments
- Boiler feed and makeup water lines
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