RFQ

ASCO™ 221 Slow-Closing Water Solenoid Valve

  • NG # 0654315-HW-ASCO-315

ASCO™ Series 221 is a slow-closing solenoid valve designed for reliable water control. Its high-flow construction supports efficient throughput while reducing water hammer, making it suitable for laundries, molding equipment, sterilizers, autoclaves, and other commercial applications.

 

 

Manufactured By :
ASCO
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Overview

The ASCO 221 combines controlled valve closing with high flow capacity to provide smooth and dependable water management. Its design accommodates both hot- and cold-water applications, helping reduce pressure surges during operation. Available in multiple port sizes, flow capacities, coil options, and electrical configurations, it can be adapted to various installation requirements. The valve is particularly useful in commercial equipment and industrial processes where reliable water control, easy maintenance, and consistent performance are important.

Specification

Product Name: ASCO™ Series 221 Slow-Closing Water Solenoid Valve
Series: 221 / 8221
Valve Type: 2-Way Solenoid Valve
Valve Function: 2/2 Normally Closed / Normally Open
Actuation: Solenoid
Body Material: Brass
Media: Water / Hot Water
Port Connection: NPT
Port Sizes: 3/8" to 2-1/2"
Orifice Sizes: 9/16" to 1-3/4"
Flow Coefficient (Cv): 3 to 38
Minimum Operating Pressure: 5 PSI
Maximum Operating Pressure: 125–150 PSI, depending on configuration
Maximum Fluid Temperature: Up to 180°F (82°C) for standard water configurations
Ambient Temperature: Up to 125°F (52°C), depending on configuration
Coil Class: F / FT / HB / HC / HT / SC, configuration dependent
Voltage Options: AC and DC options available
Power Consumption: 6.1 W to 24.6 W, depending on configuration
Frequency: 50 / 60 Hz options
Mounting: Any position

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