Overview
The ASCO 8210G3 is a pilot-operated solenoid valve from the renowned Red-Hat II product line, engineered for reliable 2-way fluid control across a wide range of industrial applications. This 3/4″ NPT ported valve combines proven solenoid design with high-flow performance and low internal leakage, making it a standard choice for OEMs and maintenance professionals managing air compressors, water systems, and gas regulation.
Key Features
- 3/4″ NPT threaded connection with 2-way normally closed operation
- 6.5 CV flow coefficient for high-flow performance
- Pilot-operated design requires no minimum operating pressure
- May be mounted in any direction without performance impact
- Resilient sealing materials deliver minimal internal leakage
- Red-Hat II watertight enclosure (Types 1, 2, 3, 3S, 4, 4X standard)
- Brass body construction standard; stainless steel available
- Suitable for liquid, air, corrosive, and inert gas service
Technical Specifications
The 8210G3 offers flexibility across industrial pressure and fluid environments:
- Port Size: 3/4″ NPT
- Valve Type: 2-Way Normally Closed
- Flow Coefficient (Cv): 6.5
- Body Material: Brass (stainless steel optional)
- Sealing Material: NBR or PTFE available
- Mounting: Any direction (no orientation restrictions)
- Minimum Operating Pressure: None required (pilot-operated)
- Enclosure Type: Red-Hat II watertight
- Core Material: 305 stainless steel
- Nominal Ambient Temperature: 32°F to 125°F (standard Class F insulation)
- Voltage Options: 110/220 VAC; 12/24 VDC and other voltages available
Typical Applications
The ASCO 8210G3 is widely used in:
- Air compressor systems and pneumatic controls
- Carwash and laundry equipment
- Industrial water treatment and distribution
- Pump start/stop and flow regulation
- Solenoid enclosure packages and automated valving systems
- Corrosive fluid and chemical handling (with appropriate seal materials)
Compatibility & Replacements
Compatible With
- Standard solenoid enclosure packages and DIN mounting rails
- Manual override options for emergency bypass operation
- Pressure gauge ports for system monitoring
- Industrial PLC and automation control systems
- Pneumatic and hydraulic fluid lines (verify fluid type with seal material)
Replaces / Drop-In Replacement For
- 8210G3-24VDC (24 VDC variant)
- 8210G3-12VDC (12 VDC variant)
- 8210G3-240V (240 VAC variant)
- Earlier Red-Hat (Type I) 8210G3 models
Works With
- Industrial solenoid coil assemblies and replacement coils
- Parker, Bosch Rexroth, and Hydac fluid and filtration systems
- Rockwell Automation and Siemens PLC control networks
- Pneumatic circuit design standards (ISO 1219 and 4401)
- Manual and automatic control logic schemes
