Optimized for applications demanding uninterrupted flow, the Asco 8221G033 Solenoid Valve (8221G33) is a normally open solenoid valve that automatically maintains fluid passage until an activation signal is applied. Its robust design features a 2-inch NPT connection paired with a 1 ¾-inch orifice, delivering a high Cv of 36 for superior flow capacity in large-scale systems.
Technical Specifications
- Valve Type: Pilot Operated, Normally Open, 2-way
- Pipe Size: 2″ NPT
- Flow Factor (Cv): 36
- Operating Pressure Differential:
- Water: 5 to 150 psi (AC)
- Maximum Fluid Temperature: 180°F (82°C)
- Body Material: Brass
- Seal Material: NBR (Nitrile Butadiene Rubber) and PTFE
- Voltage Options:
- AC (60Hz): 24, 120, 240, 480V
- AC (50Hz): 110, 220V
- DC: 6, 12, 24, 120, 240V
- Watt Rating:
- AC: 16.1 watts
- Coil Insulation Class: F
- Solenoid Enclosure:
- Standard: RedHat II (Watertight, Types 1-4X); RedHat (Type I)
- Optional:
- RedHat II (Explosionproof & Watertight, Types 3-9)
- RedHat (Explosionproof & Raintight, Types 3, 7, 9)
Key Features and Functionality
- Default Open Operation: Ensures continuous flow until an electrical signal initiates closure.
- High Flow Efficiency: A Cv of 36 supports demanding applications requiring significant fluid throughput.
- Controlled Shutdown: Slow-closing design minimizes sudden pressure changes, reducing water hammer effects.
- Robust Construction: Premium brass and stainless steel components provide durability in harsh environments.
- Energy-Conscious Design: Pilot-operated mechanism offers precise control while optimizing power consumption.
Compatible Components and Related Parts
- Available in both standard and explosion-proof configurations.
- Includes brackets and adapters designed for seamless integration with NPT piping systems.
Industry Applications
- Municipal Water: Supports continuous service with on-demand shutoff.
- Industrial Control: Handles high-capacity fluid flow in processing.
- HVAC & Cooling: Ensures stable flow in large-scale systems.
- Irrigation & Agriculture: Provides consistent flow for extensive setups.
- Fire Suppression: Enables reliable shutoff in emergency situations.
Compliance & Approvals
- CSA Certified
- UL Listed (General Purpose Valves)
- CE Compliant (RedHat II series)
Installation & Operational Notes
- Can be installed in any orientation without compromising functionality.
- Operates effectively with a minimum pressure of 5 psi.
- Ensure the selected voltage aligns with system requirements during ordering.
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.