Description
ASCO 8210B20 General Service Solenoid Valve Overview
The ASCO 8210B20 is a pilot-operated, 2-way normally closed solenoid valve engineered for reliable on/off control of air and water in a wide range of general service applications. With a robust brass body, NBR seals, and a NEMA 1 enclosure, this valve delivers dependable performance in commercial and industrial HVAC, plumbing, and fluid control systems.
Key Features
- 2-way, normally closed (NC) configuration — valve closes when de-energized for fail-safe operation
- 1/4″ NPT port connections for straightforward inline installation
- 120VAC coil voltage for compatibility with standard commercial power supplies
- 1 Cv flow coefficient for precise flow control
- Operating pressure range: 5–125 PSI
- Pilot-operated design suitable for air and water media
- Brass body construction for corrosion resistance and long service life
- NBR (Buna-N) seals compatible with water, air, and many general-purpose fluids
- NEMA 1 enclosure rating for indoor general-purpose environments
Specifications
- SKU / Part Number: 8210B20
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve
- Operation: Normally Closed (NC), Pilot Operated
- Port Size: 1/4″ NPT
- Voltage: 120VAC
- Flow Coefficient (Cv): 1
- Pressure Range: 5–125 PSI
- Media: Air and Water
- Body Material: Brass
- Seal Material: NBR (Nitrile Butadiene Rubber)
- Enclosure: NEMA 1
Applications
- HVAC air and water flow control
- General-purpose fluid shutoff and isolation
- Pneumatic and compressed air systems
- Commercial and light industrial process control
- Automated water supply and distribution systems
Why Choose the ASCO 8210B20?
ASCO is a globally recognized leader in solenoid valve technology, and the 8210B20 upholds that reputation with a durable brass body, chemically compatible NBR seals, and a pilot-operated mechanism that ensures smooth, reliable actuation across its full 5–125 PSI operating range. The NEMA 1 enclosure makes it well-suited for indoor mechanical rooms and equipment panels, while the standard 120VAC coil simplifies integration into existing electrical systems.
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