Description
ASCO 8290B5 2-Way Normally Closed Solenoid Valve Overview
The ASCO 8290B5 is a heavy-duty, 2-way normally closed solenoid valve engineered for reliable on/off control of air, water, steam, and compatible fluids in demanding commercial and industrial HVAC applications. Built with an angled bronze body and a durable Teflon seat, this valve delivers long service life and tight shutoff across a wide range of operating conditions.
Key Features
- 2-Way, Normally Closed (NC) configuration — closes automatically when de-energized for fail-safe operation
- 3/4″ NPT pipe connection for easy integration into standard piping systems
- Angled bronze body construction for corrosion resistance and durability
- Teflon seat provides excellent chemical compatibility and leak-tight shutoff
- 63mm entry under disc pilot operator design for efficient, low-power actuation
- High flow capacity with an 11 Cv flow coefficient
- Suitable for air or water service at 60–150 PSI operating pressure
- Rated for general fluids up to 0–240 PSI
- Steam service rated up to 0–150 PSI
Technical Specifications
- Model: 8290B5
- Brand: ASCO
- Valve Type: 2-Way Normally Closed Solenoid Valve
- Pipe Size: 3/4″ NPT
- Body Material: Bronze (Angled)
- Seat Material: Teflon (PTFE)
- Operator Type: Pilot Operator, 63mm Entry Under Disc
- Flow Coefficient (Cv): 11
- Air/Water Operating Pressure: 60–150 PSI
- Fluid Operating Pressure: 0–240 PSI
- Steam Operating Pressure: 0–150 PSI
Applications
- Commercial and industrial HVAC systems
- Steam distribution and control
- Water and air line shutoff
- Process fluid control in light industrial environments
- Boiler and hydronic system piping
Why Choose the ASCO 8290B5?
ASCO is a globally recognized leader in fluid automation and solenoid valve technology. The 8290B5 combines a robust bronze body with a Teflon seat and pilot-operated design to deliver consistent, dependable performance across air, water, steam, and fluid media. Its wide pressure range and high Cv rating make it a versatile choice for contractors and engineers who need a proven, multi-service valve solution.
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