Description
ASCO 8220G93 2-Way Normally Open Solenoid Valve Overview
The ASCO 8220G93 is a heavy-duty, pilot-operated solenoid valve engineered for reliable flow control in demanding steam and hot water applications. With a 2-way, normally open configuration, this valve remains open when de-energized and closes upon energization — making it ideal for fail-safe system designs where uninterrupted flow must be maintained during power loss.
Key Features
- 2-Way, Normally Open (N.O.) pilot-operated design
- 1/2″ NPT port connection for straightforward pipe integration
- 120VAC coil voltage for compatibility with standard commercial and industrial power supplies
- 4 Cv flow coefficient for efficient, high-capacity fluid control
- Rated for steam service: 5–125 PSI operating pressure range
- Rated for hot water service: 5–150 PSI operating pressure range
- Brass body construction for excellent corrosion resistance and durability
- EPDM diaphragm material — ideal for steam, hot water, and other high-temperature media
- NEMA 4X enclosure rating — provides protection against corrosion, dust, and water ingress, suitable for indoor and outdoor installations
Application Suitability
The ASCO 8220G93 is well-suited for hydronic heating systems, steam distribution lines, process control, and commercial HVAC applications. The pilot-operated mechanism allows the valve to handle higher flow rates with a compact solenoid, reducing energy consumption while maintaining precise control. The EPDM diaphragm ensures long service life when handling hot water and steam media.
Specifications
- SKU / Part Number: 8220G93
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve
- Operation: Normally Open (N.O.), Pilot Operated
- Port Size: 1/2″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 4
- Steam Pressure Range: 5–125 PSI
- Hot Water Pressure Range: 5–150 PSI
- Body Material: Brass
- Diaphragm Material: EPDM
- Enclosure Rating: NEMA 4X
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