Description
ASCO 8220G95 2-Way Normally Open Pilot-Operated Solenoid Valve
The ASCO 8220G95 is a heavy-duty, pilot-operated 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, long-service performance in wet, corrosive, or washdown environments.
Key Features
- 2-way, normally open (N.O.) configuration — valve opens when de-energized for fail-safe operation
- Pilot-operated design for efficient, low-power actuation across a wide pressure range
- 3/4″ NPT pipe connections for straightforward installation into existing pipework
- 5 Cv flow coefficient for optimal flow capacity in medium-sized piping systems
- 120VAC coil voltage — compatible with standard commercial control circuits
- 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 — suitable for indoor and outdoor use, including washdown and corrosive environments
Specifications
- Valve Type: 2-Way, Normally Open
- Operation: Pilot Operated
- Connection Size: 3/4″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 5
- Steam Pressure Range: 5–125 PSI
- Hot Water Pressure Range: 5–150 PSI
- Body Material: Brass
- 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
- Washdown or corrosive-environment installations requiring NEMA 4X protection
Why Choose the ASCO 8220G95?
ASCO is a globally recognized leader in fluid control, and the 8220G95 reflects that heritage. The normally open, pilot-operated design ensures fail-safe flow in the event of power loss — a critical safety feature for steam and hot water systems. The NEMA 4X enclosure protects the coil assembly from moisture, dust, and corrosive agents, making this valve a dependable choice for a wide range of commercial and industrial environments.
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